1 00:00:00,960 --> 00:00:04,950 20 seconds and counting 2 00:00:08,790 --> 00:00:07,030 t minus 15 seconds 3 00:00:09,750 --> 00:00:08,800 guidance is internal 4 00:00:10,790 --> 00:00:09,760 12 5 00:00:11,910 --> 00:00:10,800 11 6 00:00:13,350 --> 00:00:11,920 10 7 00:00:14,910 --> 00:00:13,360 9 8 00:00:16,790 --> 00:00:14,920 ignition sequence 9 00:00:17,750 --> 00:00:16,800 start five 10 00:00:18,790 --> 00:00:17,760 four 11 00:00:19,750 --> 00:00:18,800 three 12 00:00:24,870 --> 00:00:19,760 two 13 00:00:29,910 --> 00:00:27,349 good afternoon and welcome to nasa's 14 00:00:31,750 --> 00:00:29,920 stennis space center in mississippi we 15 00:00:34,470 --> 00:00:31,760 are bringing you live coverage as 16 00:00:37,510 --> 00:00:34,480 artemis fires up for today's green run 17 00:00:39,750 --> 00:00:37,520 test a major milestone on america's 18 00:00:42,310 --> 00:00:39,760 mission to land the first woman and the 19 00:00:43,670 --> 00:00:42,320 next man on the moon with the artemis 20 00:00:46,229 --> 00:00:43,680 program 21 00:00:48,069 --> 00:00:46,239 good evening i'm lee d'angelo and just a 22 00:00:50,950 --> 00:00:48,079 little over a mile behind me is the 23 00:00:53,430 --> 00:00:50,960 historic b-test complex where nasa 24 00:00:56,389 --> 00:00:53,440 tested rocket stages for the mighty 25 00:00:58,869 --> 00:00:56,399 saturn v rocket and the space shuttle 26 00:01:02,069 --> 00:00:58,879 today in just about 30 minutes we will 27 00:01:04,549 --> 00:01:02,079 test the core stage of our new space 28 00:01:05,750 --> 00:01:04,559 launch system rocket also known as the 29 00:01:07,590 --> 00:01:05,760 sls 30 00:01:10,789 --> 00:01:07,600 what you see behind me mounted into the 31 00:01:13,350 --> 00:01:10,799 b2 test stand is the most powerful core 32 00:01:15,990 --> 00:01:13,360 stage in the world 33 00:01:18,390 --> 00:01:16,000 this sls rocket is set to make its first 34 00:01:20,550 --> 00:01:18,400 flight from nasa's kennedy space center 35 00:01:22,950 --> 00:01:20,560 later this year on the artemis one 36 00:01:25,990 --> 00:01:22,960 mission which will send an uncrewed 37 00:01:27,510 --> 00:01:26,000 orion spacecraft beyond the moon and 38 00:01:29,350 --> 00:01:27,520 back to earth 39 00:01:32,789 --> 00:01:29,360 we're going to learn a lot more about 40 00:01:35,590 --> 00:01:32,799 artemis sls the core stage and today's 41 00:01:36,630 --> 00:01:35,600 test which we call the green run hot 42 00:01:38,469 --> 00:01:36,640 fire 43 00:01:41,030 --> 00:01:38,479 we'll also be talking with nasa 44 00:01:43,190 --> 00:01:41,040 administrator jim breidenstein hearing 45 00:01:45,270 --> 00:01:43,200 from some of those who have made this 46 00:01:47,749 --> 00:01:45,280 all happen and getting a unique 47 00:01:50,789 --> 00:01:47,759 perspective from someone who knows how 48 00:01:53,670 --> 00:01:50,799 it feels to ride a rocket into space 49 00:01:55,830 --> 00:01:53,680 astronaut tracy caldwell dyson 50 00:01:58,310 --> 00:01:55,840 we also want to hear from you and for 51 00:02:00,469 --> 00:01:58,320 that we have apollonia acker standing by 52 00:02:02,389 --> 00:02:00,479 to help you connect on social media 53 00:02:06,550 --> 00:02:02,399 apollonia 54 00:02:08,389 --> 00:02:06,560 social media coordinator with the 55 00:02:10,550 --> 00:02:08,399 communications teams here at stennis 56 00:02:13,350 --> 00:02:10,560 space center and today i'm bringing your 57 00:02:15,030 --> 00:02:13,360 comments live to nasa tv and we're glad 58 00:02:17,350 --> 00:02:15,040 to have you following along on all of 59 00:02:20,229 --> 00:02:17,360 our social media platforms we also 60 00:02:22,949 --> 00:02:20,239 invite you to follow us at nasa artemis 61 00:02:26,790 --> 00:02:22,959 on twitter and we are live on facebook 62 00:02:28,150 --> 00:02:26,800 instagram linkedin beta tv dailymotion 63 00:02:29,430 --> 00:02:28,160 and twitch 64 00:02:31,509 --> 00:02:29,440 we're going to be sharing some of your 65 00:02:32,790 --> 00:02:31,519 posts so submit your questions and your 66 00:02:34,710 --> 00:02:32,800 posts using 67 00:02:36,949 --> 00:02:34,720 ask nasa 68 00:02:38,630 --> 00:02:36,959 also we've been asking you 69 00:02:40,710 --> 00:02:38,640 what would you take on a trip to the 70 00:02:42,790 --> 00:02:40,720 moon in celebration of today's hot fire 71 00:02:44,470 --> 00:02:42,800 test and you've submitted your moon kits 72 00:02:46,150 --> 00:02:44,480 using 73 00:02:47,589 --> 00:02:46,160 nasa moon kit 74 00:02:49,750 --> 00:02:47,599 we're going to be tracking your reaction 75 00:02:52,390 --> 00:02:49,760 online and i'm just excited to see this 76 00:02:54,630 --> 00:02:52,400 in person back to you lee 77 00:02:56,550 --> 00:02:54,640 thanks so much apollonia and i'm so glad 78 00:02:58,550 --> 00:02:56,560 we get to share this event online we 79 00:03:00,790 --> 00:02:58,560 might normally have hundreds of folks on 80 00:03:03,750 --> 00:03:00,800 hand here to see this in person but of 81 00:03:05,430 --> 00:03:03,760 course we're following covet protocols 82 00:03:07,350 --> 00:03:05,440 for social distancing 83 00:03:10,790 --> 00:03:07,360 those of us who are here are looking 84 00:03:11,910 --> 00:03:10,800 forward to some fire and smoke and a lot 85 00:03:14,309 --> 00:03:11,920 of noise 86 00:03:17,030 --> 00:03:14,319 i've got alex cagnola here with me he's 87 00:03:19,190 --> 00:03:17,040 a core stage engineer who can tell us 88 00:03:20,790 --> 00:03:19,200 about the test alex thank you so much 89 00:03:21,910 --> 00:03:20,800 for joining us absolutely thank you for 90 00:03:24,229 --> 00:03:21,920 having me i want to start with the 91 00:03:26,309 --> 00:03:24,239 basics what is the core stage how does 92 00:03:27,830 --> 00:03:26,319 it fit into sls well the core stage is 93 00:03:29,990 --> 00:03:27,840 really the powerhouse of our entire 94 00:03:31,430 --> 00:03:30,000 space launch system the core stage has 95 00:03:34,149 --> 00:03:31,440 two propellant tanks one of liquid 96 00:03:36,869 --> 00:03:34,159 hydrogen and liquid oxygen four rs-25 97 00:03:38,869 --> 00:03:36,879 engines more than 18 miles of cables all 98 00:03:40,149 --> 00:03:38,879 of our electronics avionics boxes 99 00:03:41,750 --> 00:03:40,159 everything we consider the brains of the 100 00:03:43,509 --> 00:03:41,760 rocket and of course all the plumbing 101 00:03:46,869 --> 00:03:43,519 that goes into feeding our fuel to our 102 00:03:49,190 --> 00:03:46,879 4r25 engines sounds pretty big yeah it's 103 00:03:50,949 --> 00:03:49,200 very big you know our core stage is 212 104 00:03:52,390 --> 00:03:50,959 feet long you know the most powerful 105 00:03:54,550 --> 00:03:52,400 core stage ever built so we're super 106 00:03:56,470 --> 00:03:54,560 excited to see it be tested today so 107 00:03:58,390 --> 00:03:56,480 we're testing today we're not showing 108 00:04:00,550 --> 00:03:58,400 this isn't a demonstration what does a 109 00:04:01,670 --> 00:04:00,560 successful test look like right and 110 00:04:02,949 --> 00:04:01,680 that's very important to remember you 111 00:04:04,710 --> 00:04:02,959 know we'll be testing the rocket we're 112 00:04:06,789 --> 00:04:04,720 still you know learning things about our 113 00:04:08,309 --> 00:04:06,799 rocket as we as we further test so you 114 00:04:09,830 --> 00:04:08,319 know you you we might hear some test 115 00:04:11,190 --> 00:04:09,840 conductor audio interrupt our talk and 116 00:04:13,270 --> 00:04:11,200 we'll be relaying that message to 117 00:04:14,789 --> 00:04:13,280 everybody um you know we might fire a 118 00:04:16,390 --> 00:04:14,799 few minutes before a few minutes after 119 00:04:17,590 --> 00:04:16,400 our scandal time um you know we're 120 00:04:20,069 --> 00:04:17,600 really looking to get some engineering 121 00:04:21,749 --> 00:04:20,079 data once we do ignite all four engines 122 00:04:23,990 --> 00:04:21,759 um and that may include moving the 123 00:04:25,189 --> 00:04:24,000 engines a little bit or throttling up or 124 00:04:26,629 --> 00:04:25,199 throttling down you know we're gonna be 125 00:04:28,950 --> 00:04:26,639 testing everything we can to get all the 126 00:04:30,230 --> 00:04:28,960 data we need you're the expert i'm glad 127 00:04:32,150 --> 00:04:30,240 you're here with us i'm going to have a 128 00:04:34,390 --> 00:04:32,160 lot of questions for you throughout the 129 00:04:37,189 --> 00:04:34,400 show so thank you again 130 00:04:39,590 --> 00:04:37,199 and we're getting set to chat with nasa 131 00:04:42,230 --> 00:04:39,600 administrator jim bridenstine about the 132 00:04:44,230 --> 00:04:42,240 artemis program but first let's hear 133 00:04:49,830 --> 00:04:44,240 this message from stennis director rick 134 00:04:53,430 --> 00:04:51,590 hello i'm rick gilbert director of 135 00:04:55,749 --> 00:04:53,440 stennis space center and i wanted to 136 00:04:57,510 --> 00:04:55,759 welcome you to today's green run i'm 137 00:04:59,030 --> 00:04:57,520 here at the base of the b2 test stand 138 00:05:02,070 --> 00:04:59,040 where you can see the space launch 139 00:05:05,029 --> 00:05:02,080 system core stage installed in the stand 140 00:05:06,629 --> 00:05:05,039 that very stage will roar to life today 141 00:05:08,710 --> 00:05:06,639 producing over 2 million pounds of 142 00:05:11,909 --> 00:05:08,720 thrust for what we hope to be a 500 143 00:05:14,150 --> 00:05:11,919 second full duration hot fire 144 00:05:16,310 --> 00:05:14,160 the sls was designed at marshall space 145 00:05:17,670 --> 00:05:16,320 flight center was assembled just down 146 00:05:20,790 --> 00:05:17,680 the road at the michoud assembly 147 00:05:23,749 --> 00:05:20,800 facility by boeing is powered by four 148 00:05:27,029 --> 00:05:23,759 rocketdyne rs-25 engines and today we 149 00:05:29,670 --> 00:05:27,039 will do our part to verify it for flight 150 00:05:32,150 --> 00:05:29,680 i'm always humbled and feel blessed to 151 00:05:33,990 --> 00:05:32,160 lead such a talented stennis workforce 152 00:05:37,029 --> 00:05:34,000 and also to be associated with all the 153 00:05:39,189 --> 00:05:37,039 talented folks in the sls program 154 00:05:41,430 --> 00:05:39,199 i'm proud of them and you should be too 155 00:05:43,510 --> 00:05:41,440 the men and women of nasa boeing and 156 00:05:45,749 --> 00:05:43,520 aerojet rocketdyne have worked to make 157 00:05:47,830 --> 00:05:45,759 this green run a reality 158 00:05:50,230 --> 00:05:47,840 they've overcome many many challenges 159 00:05:52,390 --> 00:05:50,240 especially this year with covid with a 160 00:05:53,749 --> 00:05:52,400 busy hurricane season and a lot of 161 00:05:55,749 --> 00:05:53,759 technical issues that they've all 162 00:05:57,029 --> 00:05:55,759 overcome and persevered to make today 163 00:05:58,870 --> 00:05:57,039 possible 164 00:06:01,830 --> 00:05:58,880 personally for me this will be the 165 00:06:04,150 --> 00:06:01,840 highlight of my 29 year nasa career 166 00:06:06,309 --> 00:06:04,160 i became hooked on nasa at the ripe old 167 00:06:09,830 --> 00:06:06,319 age of seven when neil armstrong stepped 168 00:06:11,029 --> 00:06:09,840 on the moon for the first time in 1969 169 00:06:12,710 --> 00:06:11,039 well guess what we're going to make 170 00:06:14,390 --> 00:06:12,720 history again today and i'm glad you're 171 00:06:16,870 --> 00:06:14,400 here to share it with me 172 00:06:22,710 --> 00:06:16,880 welcome to the artemis generation we're 173 00:06:27,029 --> 00:06:24,790 we've shown you a little bit about what 174 00:06:29,670 --> 00:06:27,039 we're doing today but now let's talk 175 00:06:32,070 --> 00:06:29,680 about why joining us for that is nasa 176 00:06:33,670 --> 00:06:32,080 administrator jim bridenstine jim 177 00:06:35,110 --> 00:06:33,680 welcome to mississippi well thank you 178 00:06:37,590 --> 00:06:35,120 lee it's great to be here i want to 179 00:06:39,990 --> 00:06:37,600 start with the overall picture talk to 180 00:06:41,909 --> 00:06:40,000 me about the artemis program well we're 181 00:06:43,990 --> 00:06:41,919 going to the moon uh this time we're 182 00:06:45,830 --> 00:06:44,000 doing it unlike we've ever done before 183 00:06:48,309 --> 00:06:45,840 we're going with commercial partners 184 00:06:49,510 --> 00:06:48,319 we're going with international partners 185 00:06:51,430 --> 00:06:49,520 we're going to learn how to live and 186 00:06:54,390 --> 00:06:51,440 work on another world for long periods 187 00:06:56,150 --> 00:06:54,400 of time using the resources of the other 188 00:06:58,150 --> 00:06:56,160 world we're going to use the resources 189 00:07:00,309 --> 00:06:58,160 of the moon to live and work with a 190 00:07:02,230 --> 00:07:00,319 purpose because ultimately we want to go 191 00:07:04,469 --> 00:07:02,240 to mars so we're going to build the 192 00:07:05,909 --> 00:07:04,479 capacity to live and work on another 193 00:07:07,670 --> 00:07:05,919 world so that we can go to mars and the 194 00:07:09,749 --> 00:07:07,680 reason we have to do that 195 00:07:13,029 --> 00:07:09,759 mars and earth are aligned on the same 196 00:07:15,350 --> 00:07:13,039 side of the sun once every 26 months so 197 00:07:16,710 --> 00:07:15,360 when you go to mars once you're there it 198 00:07:18,710 --> 00:07:16,720 takes about nine months to get there 199 00:07:21,670 --> 00:07:18,720 once you're there you have to be willing 200 00:07:24,710 --> 00:07:21,680 to stay as it orbits the sun until earth 201 00:07:26,790 --> 00:07:24,720 and mars are aligned again the moon 202 00:07:28,790 --> 00:07:26,800 is always with the earth wherever we are 203 00:07:30,790 --> 00:07:28,800 around the sun so it's it's the perfect 204 00:07:32,629 --> 00:07:30,800 proving ground and of course there's 205 00:07:33,749 --> 00:07:32,639 tons of science we can get from the moon 206 00:07:35,670 --> 00:07:33,759 we can get 207 00:07:37,909 --> 00:07:35,680 a lot of information of the early solar 208 00:07:39,830 --> 00:07:37,919 system because of the subatomic charged 209 00:07:41,830 --> 00:07:39,840 particles that have been coming from the 210 00:07:42,790 --> 00:07:41,840 sun for billions of years and impacting 211 00:07:44,309 --> 00:07:42,800 the moon 212 00:07:45,749 --> 00:07:44,319 that we can't get from here on earth 213 00:07:48,070 --> 00:07:45,759 because we have a magnetosphere that 214 00:07:49,430 --> 00:07:48,080 protects the earth and an active geology 215 00:07:50,869 --> 00:07:49,440 and an active atmosphere in the 216 00:07:53,029 --> 00:07:50,879 hydrosphere 217 00:07:54,950 --> 00:07:53,039 so so the moon is a lot about science 218 00:07:57,430 --> 00:07:54,960 and data it's about the early solar 219 00:07:59,110 --> 00:07:57,440 system it's also about astrophysics 220 00:08:01,189 --> 00:07:59,120 looking deeper into space than ever 221 00:08:02,550 --> 00:08:01,199 before because the moon gives us an 222 00:08:05,029 --> 00:08:02,560 opportunity 223 00:08:07,110 --> 00:08:05,039 to to really to have this very quiet 224 00:08:09,749 --> 00:08:07,120 area from an electromagnetic spectrum 225 00:08:11,110 --> 00:08:09,759 perspective very quiet area on the far 226 00:08:12,469 --> 00:08:11,120 side of the moon where we can look way 227 00:08:14,790 --> 00:08:12,479 out into deep space 228 00:08:16,710 --> 00:08:14,800 and in fact look back into time if you 229 00:08:19,189 --> 00:08:16,720 can imagine that so we're going to the 230 00:08:21,510 --> 00:08:19,199 moon sustainably we're going for science 231 00:08:23,749 --> 00:08:21,520 discovery exploration but we're also 232 00:08:25,510 --> 00:08:23,759 going as a proving ground so that we can 233 00:08:27,749 --> 00:08:25,520 go to mars it sounds like you're excited 234 00:08:29,189 --> 00:08:27,759 about this all the time not just today 235 00:08:31,270 --> 00:08:29,199 but let's bring it back to earth 236 00:08:33,670 --> 00:08:31,280 actually a little bit closer just a mile 237 00:08:35,909 --> 00:08:33,680 away talk to me about sls and how unique 238 00:08:37,430 --> 00:08:35,919 this is so the sls rocket is the most 239 00:08:39,110 --> 00:08:37,440 powerful rocket ever built in the 240 00:08:42,230 --> 00:08:39,120 history of humanity 241 00:08:44,230 --> 00:08:42,240 the core stage has far four rs 25 242 00:08:46,470 --> 00:08:44,240 engines these are very similar to the 243 00:08:47,910 --> 00:08:46,480 space shuttle main engines um and of 244 00:08:49,990 --> 00:08:47,920 course we're going to light this rocket 245 00:08:51,509 --> 00:08:50,000 today for a period of eight minutes 246 00:08:53,670 --> 00:08:51,519 which is the amount of time we're going 247 00:08:55,670 --> 00:08:53,680 to need to to to light it for a launch 248 00:08:58,550 --> 00:08:55,680 so what we're doing today is we are 249 00:09:00,389 --> 00:08:58,560 replicating as much as possible a launch 250 00:09:01,910 --> 00:09:00,399 and we have to remember that that what 251 00:09:04,150 --> 00:09:01,920 we're testing today 252 00:09:06,870 --> 00:09:04,160 this is a test vehicle it's also the 253 00:09:09,110 --> 00:09:06,880 flight hardware this is the same rocket 254 00:09:11,269 --> 00:09:09,120 that by the end of this year we'll be 255 00:09:13,110 --> 00:09:11,279 launching the orion crew capsule around 256 00:09:15,190 --> 00:09:13,120 the moon now by the end of this year 257 00:09:17,750 --> 00:09:15,200 that orion crew capsule will be uncrewed 258 00:09:19,750 --> 00:09:17,760 when it goes around the moon but by 2023 259 00:09:21,590 --> 00:09:19,760 we're going to send american astronauts 260 00:09:24,230 --> 00:09:21,600 around the moon and by 2024 we're going 261 00:09:25,990 --> 00:09:24,240 to be landing on the moon well thank you 262 00:09:27,110 --> 00:09:26,000 so much administrator breinstein i'm 263 00:09:28,710 --> 00:09:27,120 sure you want to get somewhere a little 264 00:09:30,389 --> 00:09:28,720 warmer where you'll be able to watch the 265 00:09:33,350 --> 00:09:30,399 test great to be with you it's great to 266 00:09:35,990 --> 00:09:33,360 be with you too thank you so much 267 00:09:37,350 --> 00:09:36,000 it was just a few weeks ago that we 268 00:09:40,310 --> 00:09:37,360 announced 269 00:09:42,310 --> 00:09:40,320 the astronauts for the artemis program 270 00:09:51,430 --> 00:09:42,320 let's take a look and meet those 271 00:09:56,550 --> 00:09:53,910 at nasa we have always answered the 272 00:09:59,829 --> 00:09:56,560 innate call to go 273 00:10:01,829 --> 00:09:59,839 with artemis we are going to stay 274 00:10:05,110 --> 00:10:01,839 proving that humanity can live on the 275 00:10:09,350 --> 00:10:05,120 moon mars and other worlds and share the 276 00:10:15,110 --> 00:10:11,910 our story is one of people 277 00:10:17,350 --> 00:10:15,120 all those who make this journey possible 278 00:10:19,750 --> 00:10:17,360 from advocates across communities to 279 00:10:22,150 --> 00:10:19,760 companies across industries to countries 280 00:10:24,389 --> 00:10:22,160 around the world we achieve this 281 00:10:26,949 --> 00:10:24,399 collective endeavor 282 00:10:28,949 --> 00:10:26,959 our efforts create impact for all 283 00:10:31,110 --> 00:10:28,959 technologies that revolutionize 284 00:10:32,949 --> 00:10:31,120 industries and jobs that bring 285 00:10:35,110 --> 00:10:32,959 prosperity to people 286 00:10:36,790 --> 00:10:35,120 the discoveries from space benefit the 287 00:10:38,550 --> 00:10:36,800 way we live on earth today 288 00:10:42,470 --> 00:10:38,560 and those from the moon will create a 289 00:10:44,829 --> 00:10:42,480 better future for generations to come 290 00:10:48,230 --> 00:10:44,839 but to do that we must 291 00:10:51,350 --> 00:10:48,240 go hi i'm chad lindgren my name is raj 292 00:10:54,310 --> 00:10:51,360 achary kayla barron kate rubins hi i'm 293 00:10:57,190 --> 00:10:54,320 christina cook nasa astronaut joe acaba 294 00:10:59,350 --> 00:10:57,200 jessica amir woody hoberg and mclean 295 00:11:01,430 --> 00:10:59,360 stephanie wilson my name is johnny kim 296 00:11:04,069 --> 00:11:01,440 nicole mann victor glover jessica 297 00:11:08,069 --> 00:11:04,079 watkins hi i'm matthew dominic jasmine 298 00:11:10,310 --> 00:11:08,079 mcbelly frank rubio scott tingleton 299 00:11:13,269 --> 00:11:10,320 this is what we do 300 00:11:14,340 --> 00:11:13,279 this is what we will do 301 00:11:23,110 --> 00:11:14,350 let's go 302 00:11:28,069 --> 00:11:25,910 [Music] 303 00:11:33,750 --> 00:11:28,079 we go to the moon to learn how to live 304 00:11:39,030 --> 00:11:36,470 if you are just joining us welcome 305 00:11:41,269 --> 00:11:39,040 the engines on the sls core stage are 306 00:11:43,430 --> 00:11:41,279 expected to fire up at four o'clock 307 00:11:45,030 --> 00:11:43,440 eastern three o'clock local here at 308 00:11:47,350 --> 00:11:45,040 stennis space center 309 00:11:55,110 --> 00:11:47,360 before that happens let's get a closer 310 00:12:00,550 --> 00:11:57,910 nasa's space launch system is artemis's 311 00:12:03,269 --> 00:12:00,560 super heavy lift rocket and provides the 312 00:12:06,550 --> 00:12:03,279 foundation for human exploration and 313 00:12:08,790 --> 00:12:06,560 scientific missions to the moon mars and 314 00:12:11,670 --> 00:12:08,800 beyond 315 00:12:15,190 --> 00:12:11,680 powered by two solid rocket boosters and 316 00:12:17,829 --> 00:12:15,200 four rs-25 engines this rocket provides 317 00:12:20,710 --> 00:12:17,839 unprecedented power and capability 318 00:12:23,509 --> 00:12:20,720 designed to reach 23 times the speed of 319 00:12:26,470 --> 00:12:23,519 sound and an altitude of more than 100 320 00:12:29,910 --> 00:12:26,480 miles in just over eight minutes 321 00:12:33,110 --> 00:12:29,920 offering more energy volume capacity and 322 00:12:35,670 --> 00:12:33,120 payload mass than any rocket built today 323 00:12:38,230 --> 00:12:35,680 under the launch abort system orion and 324 00:12:40,629 --> 00:12:38,240 the upper stage and between two solid 325 00:12:43,509 --> 00:12:40,639 rocket boosters is the heart of every 326 00:12:46,590 --> 00:12:43,519 sls configuration the core stage 327 00:12:48,790 --> 00:12:46,600 towering 212 feet with a diameter of 328 00:12:51,990 --> 00:12:48,800 27.6 feet 329 00:12:54,629 --> 00:12:52,000 and storing 537 thousand gallons of 330 00:12:57,350 --> 00:12:54,639 liquid hydrogen and one hundred ninety 331 00:13:00,069 --> 00:12:57,360 six thousand gallons of liquid oxygen 332 00:13:01,590 --> 00:13:00,079 this is the world's largest core stage 333 00:13:04,150 --> 00:13:01,600 ever built 334 00:13:07,030 --> 00:13:04,160 the core stage for artemis one fires up 335 00:13:10,680 --> 00:13:07,040 for the first time at nasa's historic v2 336 00:13:15,829 --> 00:13:12,150 [Music] 337 00:13:18,790 --> 00:13:15,839 so there it is the artemis one sls core 338 00:13:20,870 --> 00:13:18,800 stage on the b2 test stand the teams on 339 00:13:24,310 --> 00:13:20,880 site are planning to fire up those four 340 00:13:26,470 --> 00:13:24,320 rs-25 engines at four o'clock eastern 341 00:13:29,190 --> 00:13:26,480 now alex i know this is a culmination of 342 00:13:31,509 --> 00:13:29,200 tests here but it started way long ago 343 00:13:33,110 --> 00:13:31,519 let's just go back one step and talk to 344 00:13:34,470 --> 00:13:33,120 me about how this was built and 345 00:13:35,910 --> 00:13:34,480 assembled that michigan assembly 346 00:13:38,150 --> 00:13:35,920 facility absolutely you know so 347 00:13:40,389 --> 00:13:38,160 originally the core stage was designed 348 00:13:42,470 --> 00:13:40,399 um up in huntsville by our sls program 349 00:13:44,069 --> 00:13:42,480 team and also our boeing team um and 350 00:13:46,230 --> 00:13:44,079 then you know manufacturing began at 351 00:13:47,750 --> 00:13:46,240 misha assembly in new orleans 352 00:13:49,110 --> 00:13:47,760 it's our state-of-the-art manufacturing 353 00:13:50,870 --> 00:13:49,120 rocket facility 354 00:13:51,750 --> 00:13:50,880 it's more than 44 acres under a single 355 00:13:53,110 --> 00:13:51,760 roof 356 00:13:55,269 --> 00:13:53,120 and obviously through the production of 357 00:13:56,389 --> 00:13:55,279 that rocket we eventually moved the core 358 00:13:58,710 --> 00:13:56,399 stage 359 00:14:00,389 --> 00:13:58,720 from misshu assembly facility here you 360 00:14:01,110 --> 00:14:00,399 know that process is no easy feat you 361 00:14:03,509 --> 00:14:01,120 know 362 00:14:05,110 --> 00:14:03,519 a lot of coordination at michoud to be 363 00:14:07,189 --> 00:14:05,120 able to ship that thing and get it here 364 00:14:09,269 --> 00:14:07,199 in in the proper amount of time and so 365 00:14:11,430 --> 00:14:09,279 you're talking about moving a rocket on 366 00:14:12,629 --> 00:14:11,440 the mississippi river right yeah so you 367 00:14:14,710 --> 00:14:12,639 know we have a bar it's called the 368 00:14:16,230 --> 00:14:14,720 pegasus barge and this barges um it's 369 00:14:19,110 --> 00:14:16,240 kind of our carrier for the core stage 370 00:14:21,030 --> 00:14:19,120 you know it's it's a fully covered barge 371 00:14:22,470 --> 00:14:21,040 um you know and it carries our core 372 00:14:24,069 --> 00:14:22,480 stage all across the mississippi and 373 00:14:26,629 --> 00:14:24,079 eventually the kennedy space center and 374 00:14:29,110 --> 00:14:26,639 then when it lands here how do you get 375 00:14:31,030 --> 00:14:29,120 it into the test stand so whenever the 376 00:14:32,790 --> 00:14:31,040 corsage does arrive to send us um you 377 00:14:34,550 --> 00:14:32,800 know we have a very talented and very 378 00:14:36,470 --> 00:14:34,560 experienced lift team and you know they 379 00:14:38,150 --> 00:14:36,480 bring the core stage to the sand um they 380 00:14:40,230 --> 00:14:38,160 lift the core stage in a very slow 381 00:14:42,629 --> 00:14:40,240 process and lower it into the b2 test 382 00:14:45,110 --> 00:14:42,639 and secure it and then we begin our 383 00:14:46,629 --> 00:14:45,120 rounds of testing your rounds of testing 384 00:14:47,910 --> 00:14:46,639 what does that look like well we 385 00:14:49,189 --> 00:14:47,920 actually have a series of green run 386 00:14:50,949 --> 00:14:49,199 testing you know this is actually the 387 00:14:52,230 --> 00:14:50,959 eighth test in a full series of green 388 00:14:53,750 --> 00:14:52,240 run tests that we've been performing 389 00:14:55,189 --> 00:14:53,760 over this past year 390 00:14:56,710 --> 00:14:55,199 you know we start with modal testing 391 00:14:57,990 --> 00:14:56,720 which is kind of testing the vibrations 392 00:15:00,069 --> 00:14:58,000 and the structure of the rocket to see 393 00:15:02,150 --> 00:15:00,079 how it's going to react when we do do 394 00:15:03,509 --> 00:15:02,160 the hot fire and then we do things like 395 00:15:05,030 --> 00:15:03,519 powering on the avionics all the 396 00:15:07,670 --> 00:15:05,040 electronics equipment and then we move 397 00:15:10,310 --> 00:15:07,680 into activating safety systems you know 398 00:15:11,670 --> 00:15:10,320 testing mps components and kind of piece 399 00:15:13,509 --> 00:15:11,680 piece by piece building on what we 400 00:15:15,910 --> 00:15:13,519 previously did to finally get to the 401 00:15:18,069 --> 00:15:15,920 point where we are today and today we 402 00:15:19,509 --> 00:15:18,079 call it the green run hot fire test why 403 00:15:21,350 --> 00:15:19,519 is it called the green run well the 404 00:15:23,110 --> 00:15:21,360 green one really um refers to the parts 405 00:15:23,829 --> 00:15:23,120 in the rocket never being flown before 406 00:15:24,949 --> 00:15:23,839 so 407 00:15:26,790 --> 00:15:24,959 obviously all these parts have been 408 00:15:29,269 --> 00:15:26,800 tested by themselves but they've never 409 00:15:31,350 --> 00:15:29,279 really been tested as one giant unit so 410 00:15:33,350 --> 00:15:31,360 today we're really looking to get all 411 00:15:35,189 --> 00:15:33,360 that data and fire and fire for the 412 00:15:36,790 --> 00:15:35,199 first time i mean obviously the run 413 00:15:39,030 --> 00:15:36,800 refers to all the series of tests we've 414 00:15:40,470 --> 00:15:39,040 done to get to this point well alex 415 00:15:42,389 --> 00:15:40,480 thank you so much again we're going to 416 00:15:43,990 --> 00:15:42,399 be coming back to you we're also uh 417 00:15:46,069 --> 00:15:44,000 later on in the show going to start 418 00:15:47,829 --> 00:15:46,079 hearing some audio from the control room 419 00:15:49,590 --> 00:15:47,839 so i'm going to be relying on you alex 420 00:15:51,990 --> 00:15:49,600 to let us know what they are talking 421 00:15:55,670 --> 00:15:52,000 about and the hottest part of the show 422 00:15:58,470 --> 00:15:55,680 today will be those four rs-25 engines 423 00:16:01,110 --> 00:15:58,480 at the bottom of the core stage an 424 00:16:03,430 --> 00:16:01,120 interesting fact these rs-25s we're 425 00:16:04,790 --> 00:16:03,440 testing today are repurposed from the 426 00:16:07,269 --> 00:16:04,800 shuttle program 427 00:16:09,910 --> 00:16:07,279 these four engines flew on some pretty 428 00:16:12,230 --> 00:16:09,920 iconic shuttle missions including one of 429 00:16:14,870 --> 00:16:12,240 the hubble space telescope servicing 430 00:16:17,829 --> 00:16:14,880 missions the historic return to space of 431 00:16:20,629 --> 00:16:17,839 mercury astronaut senator john glenn 432 00:16:24,389 --> 00:16:20,639 six flights to the space station and the 433 00:16:27,030 --> 00:16:24,399 final space shuttle mission in 2011. 434 00:16:29,749 --> 00:16:27,040 so you can trace a direct line from that 435 00:16:31,670 --> 00:16:29,759 final shuttle flight to the first flight 436 00:16:33,350 --> 00:16:31,680 of sls 437 00:16:36,629 --> 00:16:33,360 we've worked with our partners at 438 00:16:38,870 --> 00:16:36,639 aerojet rocketdyne to upgrade the 16 439 00:16:41,670 --> 00:16:38,880 shuttle main engines which will power 440 00:16:44,710 --> 00:16:41,680 the first four artemis flights 441 00:16:46,550 --> 00:16:44,720 and now we're building 24 new engines 442 00:16:49,910 --> 00:16:46,560 using 3d printing and other 443 00:16:53,509 --> 00:16:49,920 manufacturing innovations to reduce cost 444 00:16:55,910 --> 00:16:53,519 complexity and manufacturing time 445 00:16:58,310 --> 00:16:55,920 and a reminder the test teams here are 446 00:17:00,949 --> 00:16:58,320 looking at three o'clock central four 447 00:17:01,910 --> 00:17:00,959 o'clock eastern for today's hot fire 448 00:17:04,549 --> 00:17:01,920 test 449 00:17:07,029 --> 00:17:04,559 of course many of the teams who worked 450 00:17:09,189 --> 00:17:07,039 so hard for this day can't be here in 451 00:17:11,990 --> 00:17:09,199 person because of social dis 452 00:17:17,510 --> 00:17:12,000 distancing but they are still cheering 453 00:17:21,510 --> 00:17:19,750 hello i'm terrance jones human resource 454 00:17:23,270 --> 00:17:21,520 business partner at stennis space center 455 00:17:25,829 --> 00:17:23,280 america's largest rocket engine test 456 00:17:28,150 --> 00:17:25,839 complex we're so excited for our green 457 00:17:29,110 --> 00:17:28,160 run test team at the historic b2 test 458 00:17:30,950 --> 00:17:29,120 stand 459 00:17:35,020 --> 00:17:30,960 we are go for green run 460 00:17:39,270 --> 00:17:36,950 [Applause] 461 00:17:40,710 --> 00:17:39,280 the elegant rocketdyne rs25 engine team 462 00:17:42,310 --> 00:17:40,720 is extremely excited to show the world 463 00:17:44,070 --> 00:17:42,320 what our hard-working team has been able 464 00:17:46,230 --> 00:17:44,080 to accomplish our team is working 465 00:17:47,830 --> 00:17:46,240 tirelessly to rebuild reliable engines 466 00:17:49,909 --> 00:17:47,840 to ensure the future of human 467 00:17:51,510 --> 00:17:49,919 exploration beyond earth's orbit let's 468 00:17:56,720 --> 00:17:51,520 go back to the moon go aerojet 469 00:17:56,790 --> 00:17:56,730 rocketdyne go nasa go artemis one 470 00:18:00,150 --> 00:17:56,800 [Applause] 471 00:18:02,950 --> 00:18:00,160 [Music] 472 00:18:05,510 --> 00:18:02,960 we are boeing and we are so proud to be 473 00:18:07,170 --> 00:18:05,520 part of team artemis all right guys 474 00:18:13,750 --> 00:18:07,180 let's light it up 475 00:18:18,549 --> 00:18:15,990 it's so great to see the team cheering 476 00:18:20,549 --> 00:18:18,559 us on for this historic event and you 477 00:18:21,590 --> 00:18:20,559 guys have been cheering us on online 478 00:18:24,150 --> 00:18:21,600 also 479 00:18:26,390 --> 00:18:24,160 and in celebration of being one step 480 00:18:28,230 --> 00:18:26,400 closer to landon astronauts on the moon 481 00:18:30,789 --> 00:18:28,240 we've been asking you what would you 482 00:18:32,390 --> 00:18:30,799 take on a trip to the moon 483 00:18:34,470 --> 00:18:32,400 let's take a look at some of the entries 484 00:18:36,870 --> 00:18:34,480 that we've received 485 00:18:39,430 --> 00:18:36,880 we have an entry from the new orleans 486 00:18:42,390 --> 00:18:39,440 saints and marcus davenport from the new 487 00:18:43,830 --> 00:18:42,400 orleans saints he would pack his helmet 488 00:18:45,669 --> 00:18:43,840 and a football 489 00:18:47,350 --> 00:18:45,679 what is a trip to the moon without a 490 00:18:49,750 --> 00:18:47,360 helmet and a football 491 00:18:52,470 --> 00:18:49,760 hood at 492 00:18:55,430 --> 00:18:52,480 we also have an entry here moon kit from 493 00:18:57,029 --> 00:18:55,440 storm lake elementary stem it's great to 494 00:18:58,470 --> 00:18:57,039 see the little ones packing their moon 495 00:19:00,390 --> 00:18:58,480 kids 496 00:19:01,830 --> 00:19:00,400 storm lake says that our moon mission is 497 00:19:03,990 --> 00:19:01,840 back on track 498 00:19:07,110 --> 00:19:04,000 students k-1 are preparing to blast off 499 00:19:08,870 --> 00:19:07,120 next week by packing their moon kids 500 00:19:10,549 --> 00:19:08,880 and in their moon kits they have a 501 00:19:14,150 --> 00:19:10,559 soccer ball 502 00:19:15,590 --> 00:19:14,160 an astronaut suit shades and a camera 503 00:19:16,710 --> 00:19:15,600 you never know if it's gonna get bright 504 00:19:19,430 --> 00:19:16,720 out there 505 00:19:21,750 --> 00:19:19,440 good job we love your moon kids 506 00:19:25,190 --> 00:19:21,760 and how exciting is this we have an 507 00:19:28,390 --> 00:19:25,200 entry from the one and only marie condo 508 00:19:30,630 --> 00:19:28,400 let's take a look at maureen's moon kit 509 00:19:33,270 --> 00:19:30,640 she is packing a blanket because she 510 00:19:35,990 --> 00:19:33,280 gets cold i could use that right now 511 00:19:37,350 --> 00:19:36,000 she has boxes to keep things tidy she 512 00:19:39,590 --> 00:19:37,360 knows how to pack 513 00:19:43,270 --> 00:19:39,600 and she also has a picture of her family 514 00:19:46,390 --> 00:19:43,280 because they spark her the most joy 515 00:19:49,669 --> 00:19:48,470 and in responses to what would you take 516 00:19:51,430 --> 00:19:49,679 to the moon 517 00:19:52,630 --> 00:19:51,440 we've received some really creative 518 00:19:54,070 --> 00:19:52,640 entries 519 00:19:55,909 --> 00:19:54,080 let's take a look at some more of those 520 00:19:59,440 --> 00:19:55,919 entries that we've received i'm really 521 00:20:58,789 --> 00:19:59,450 excited to see some more of these 522 00:21:02,470 --> 00:21:00,789 wow it is absolutely incredible to see 523 00:21:04,549 --> 00:21:02,480 all of the moon kids that you guys have 524 00:21:06,710 --> 00:21:04,559 submitted we literally have them from 525 00:21:09,350 --> 00:21:06,720 all over the world and i'm being asked 526 00:21:11,110 --> 00:21:09,360 what would i pack in my moon kit 527 00:21:13,430 --> 00:21:11,120 on my moon kit i would pack my 528 00:21:15,029 --> 00:21:13,440 pomeranian azania and i would have a 529 00:21:17,110 --> 00:21:15,039 pretty big box so i could squeeze my 530 00:21:19,270 --> 00:21:17,120 three boys and my husband and my moon 531 00:21:20,789 --> 00:21:19,280 kit what about you lee what would you 532 00:21:23,110 --> 00:21:20,799 pack 533 00:21:24,710 --> 00:21:23,120 app you're absolutely right i'm not 534 00:21:26,630 --> 00:21:24,720 leaving earth without my german short 535 00:21:28,630 --> 00:21:26,640 hair pointer penny and when i told my 536 00:21:30,630 --> 00:21:28,640 husband that he was upset that i didn't 537 00:21:32,070 --> 00:21:30,640 say i was bringing him and my sister 538 00:21:34,789 --> 00:21:32,080 casey as well so we're just turning the 539 00:21:36,710 --> 00:21:34,799 moon into a family vacation 540 00:21:39,270 --> 00:21:36,720 we've been telling you a lot about the 541 00:21:41,990 --> 00:21:39,280 hardware we're testing today but none of 542 00:21:45,190 --> 00:21:42,000 this is possible without the thousands 543 00:21:47,190 --> 00:21:45,200 of people at nasa boeing aerojet 544 00:21:49,669 --> 00:21:47,200 rocketdyne and the companies around the 545 00:21:52,310 --> 00:21:49,679 country working hard through the 546 00:21:54,950 --> 00:21:52,320 coronavirus pandemic and multiple 547 00:21:57,669 --> 00:21:54,960 hurricanes to get to this day 548 00:21:59,350 --> 00:21:57,679 from here at stennis where we test to 549 00:22:01,830 --> 00:21:59,360 the michou assembly facility in my 550 00:22:03,669 --> 00:22:01,840 hometown new orleans where we build to 551 00:22:06,149 --> 00:22:03,679 our marshall space flight center in 552 00:22:09,430 --> 00:22:06,159 huntsville alabama where it all began 553 00:22:11,430 --> 00:22:09,440 there is so much going on behind the 554 00:22:13,270 --> 00:22:11,440 scenes here's a look at marshall's 555 00:22:21,270 --> 00:22:13,280 software integration lab which 556 00:22:25,669 --> 00:22:23,350 i am the lead of the team that is 557 00:22:27,909 --> 00:22:25,679 building and testing the core stage all 558 00:22:30,149 --> 00:22:27,919 the boxes you see here and all and the 559 00:22:32,070 --> 00:22:30,159 miles of cables that you see this is 560 00:22:32,870 --> 00:22:32,080 what the inside of the core stage looks 561 00:22:35,110 --> 00:22:32,880 like 562 00:22:37,110 --> 00:22:35,120 so you can see it's very complex and 563 00:22:38,950 --> 00:22:37,120 what we do here is we run a lot of 564 00:22:41,110 --> 00:22:38,960 simulations to ensure that we have 565 00:22:42,870 --> 00:22:41,120 validated the systems and integrated 566 00:22:44,870 --> 00:22:42,880 them together so we actually have 567 00:22:47,110 --> 00:22:44,880 special software that's a version of the 568 00:22:49,430 --> 00:22:47,120 flight software but it's really specific 569 00:22:51,590 --> 00:22:49,440 for our green run test and so that 570 00:22:53,430 --> 00:22:51,600 testing has also been integrated into 571 00:22:55,350 --> 00:22:53,440 this laboratory and with all these 572 00:22:57,190 --> 00:22:55,360 avionics boxes to ensure we have a 573 00:22:58,950 --> 00:22:57,200 successful hot fire 574 00:23:01,110 --> 00:22:58,960 best part of the job is working with all 575 00:23:03,990 --> 00:23:01,120 the people and the teamwork 576 00:23:05,590 --> 00:23:04,000 it's been extremely fun to watch how 577 00:23:08,390 --> 00:23:05,600 everybody has pulled together with the 578 00:23:10,230 --> 00:23:08,400 same goal in mind we have more than a 579 00:23:12,310 --> 00:23:10,240 thousand companies across the united 580 00:23:14,149 --> 00:23:12,320 states that support us some of them are 581 00:23:16,390 --> 00:23:14,159 small mom-and-pop shops all the way up 582 00:23:18,310 --> 00:23:16,400 to the big contractors and each one of 583 00:23:20,950 --> 00:23:18,320 the individuals that have been working 584 00:23:22,630 --> 00:23:20,960 with us have a significant contribution 585 00:23:24,230 --> 00:23:22,640 and they will be should be extremely 586 00:23:26,310 --> 00:23:24,240 proud not only when we do their green 587 00:23:31,270 --> 00:23:26,320 run hot fire but when we have our first 588 00:23:35,750 --> 00:23:33,190 if you're just joining us today we are 589 00:23:38,310 --> 00:23:35,760 live at nasa's stennis space center in 590 00:23:40,950 --> 00:23:38,320 mississippi for the green run hot fire 591 00:23:42,950 --> 00:23:40,960 test of the core stage of our space 592 00:23:45,269 --> 00:23:42,960 launch system rocket 593 00:23:47,909 --> 00:23:45,279 at about four o'clock eastern over there 594 00:23:51,190 --> 00:23:47,919 at our historic b2 test stand we are 595 00:23:54,070 --> 00:23:51,200 going to fire four rs-25 engines for up 596 00:23:56,549 --> 00:23:54,080 to eight minutes to prove this rocket is 597 00:23:59,510 --> 00:23:56,559 ready to launch later this year on the 598 00:24:02,390 --> 00:23:59,520 first artemis mission to the moon 599 00:24:04,549 --> 00:24:02,400 again so many people have worked to get 600 00:24:07,350 --> 00:24:04,559 us to this day and even if they're not 601 00:24:12,180 --> 00:24:07,360 here in person they are ready for this 602 00:24:15,669 --> 00:24:13,350 [Music] 603 00:24:17,510 --> 00:24:15,679 on behalf of all of nasa employees and 604 00:24:20,149 --> 00:24:17,520 nasa contractors at the me shoot 605 00:24:22,390 --> 00:24:20,159 assembly facility home of america's 606 00:24:24,549 --> 00:24:22,400 rocket factory we wanted to show our 607 00:24:27,909 --> 00:24:24,559 appreciation to everyone supporting the 608 00:24:30,970 --> 00:24:27,919 green run hot farm we are with you and 609 00:24:35,909 --> 00:24:30,980 together we are making history 610 00:24:39,669 --> 00:24:37,830 my name is preston jones from nasa's 611 00:24:42,390 --> 00:24:39,679 marshall space flight center i'd like to 612 00:24:44,870 --> 00:24:42,400 say congratulations to the sls team for 613 00:24:47,110 --> 00:24:44,880 the core stage team for this great 614 00:24:49,350 --> 00:24:47,120 milestone achievement 615 00:24:51,330 --> 00:24:49,360 as we go into green run let's say go 616 00:24:52,300 --> 00:24:51,340 green gun 617 00:24:55,830 --> 00:24:52,310 [Applause] 618 00:24:59,110 --> 00:24:55,840 [Music] 619 00:25:01,110 --> 00:24:59,120 from everyone here on team flf 620 00:25:03,909 --> 00:25:01,120 we want to wish spanish 621 00:25:07,510 --> 00:25:03,919 and everyone down there at the beach 622 00:25:15,380 --> 00:25:07,520 fan a happy and successful 623 00:25:15,390 --> 00:25:23,350 [Music] 624 00:25:28,950 --> 00:25:25,990 we have an update for you again this is 625 00:25:31,269 --> 00:25:28,960 a live show we are hearing what you're 626 00:25:34,630 --> 00:25:31,279 hearing and we are learning as we are 627 00:25:37,669 --> 00:25:34,640 moving through this day of test alex do 628 00:25:40,390 --> 00:25:37,679 you have any update for us on why we 629 00:25:42,310 --> 00:25:40,400 might be possibly going faster or slower 630 00:25:43,909 --> 00:25:42,320 or what this is like right now yeah so 631 00:25:45,190 --> 00:25:43,919 our test conductor just alerted us that 632 00:25:47,510 --> 00:25:45,200 they're working through a few issues on 633 00:25:50,070 --> 00:25:47,520 the stand um you know like we said this 634 00:25:51,750 --> 00:25:50,080 is a test so we will see some delays or 635 00:25:52,789 --> 00:25:51,760 some possibly you know some issues that 636 00:25:55,029 --> 00:25:52,799 we'll have to work through it's all part 637 00:25:57,430 --> 00:25:55,039 of testing so as we get more information 638 00:25:59,110 --> 00:25:57,440 in we'll tell everyone and we'll work 639 00:26:00,549 --> 00:25:59,120 through it and we did talk about this 640 00:26:03,269 --> 00:26:00,559 this is a test this is not a 641 00:26:05,510 --> 00:26:03,279 demonstration why is it so important to 642 00:26:07,350 --> 00:26:05,520 test today right i mean the whole point 643 00:26:08,710 --> 00:26:07,360 right it's not a demonstration flight 644 00:26:10,390 --> 00:26:08,720 you know we're out here to test a rocket 645 00:26:11,830 --> 00:26:10,400 learn as much as we can and that'll 646 00:26:13,110 --> 00:26:11,840 really not only help us for the first 647 00:26:15,029 --> 00:26:13,120 artemis mission but for all of our 648 00:26:17,029 --> 00:26:15,039 future artemis missions as well 649 00:26:19,110 --> 00:26:17,039 and so what are we actually learning 650 00:26:21,029 --> 00:26:19,120 we've got a lot of different components 651 00:26:22,630 --> 00:26:21,039 a lot of different pieces of the rocket 652 00:26:24,549 --> 00:26:22,640 that we're looking at what do these 653 00:26:26,070 --> 00:26:24,559 tests really look like we're really here 654 00:26:28,390 --> 00:26:26,080 to simulate almost what a launch would 655 00:26:29,750 --> 00:26:28,400 be like right the whole core stage um 656 00:26:31,190 --> 00:26:29,760 with the computers and everything it 657 00:26:32,390 --> 00:26:31,200 thinks that it's going to be launched 658 00:26:33,990 --> 00:26:32,400 even though we're holding it in place 659 00:26:35,990 --> 00:26:34,000 and testing it we're basically going to 660 00:26:37,990 --> 00:26:36,000 put it through a rounded testing that's 661 00:26:39,590 --> 00:26:38,000 going to simulate the launch so the 662 00:26:41,510 --> 00:26:39,600 whole point is to make sure one to 663 00:26:43,430 --> 00:26:41,520 verify that the core stage can perform 664 00:26:45,350 --> 00:26:43,440 that way and two get the data that we 665 00:26:48,230 --> 00:26:45,360 will need for launch today you've 666 00:26:50,630 --> 00:26:48,240 touched on this but how much do the nasa 667 00:26:52,310 --> 00:26:50,640 engineers really not know about this 668 00:26:54,470 --> 00:26:52,320 rocket what are you really learning and 669 00:26:56,149 --> 00:26:54,480 what are you just guessing or finding 670 00:26:57,990 --> 00:26:56,159 between the the data points you're 671 00:26:59,830 --> 00:26:58,000 already uh guessing well obviously our 672 00:27:00,950 --> 00:26:59,840 team you know is knows a lot about the 673 00:27:03,269 --> 00:27:00,960 rock you know they've been part of this 674 00:27:04,549 --> 00:27:03,279 project for a long time um everywhere 675 00:27:06,230 --> 00:27:04,559 from you know 676 00:27:08,230 --> 00:27:06,240 the beginning of the production to 677 00:27:09,669 --> 00:27:08,240 designing the rocket to testing the rock 678 00:27:11,750 --> 00:27:09,679 you know they've been part of every step 679 00:27:13,110 --> 00:27:11,760 along the way um but even then you know 680 00:27:14,149 --> 00:27:13,120 you're constantly still learning and 681 00:27:15,990 --> 00:27:14,159 that's and that's part of the whole 682 00:27:18,149 --> 00:27:16,000 process um that's part of the process 683 00:27:19,750 --> 00:27:18,159 with any new rocket um and so you know 684 00:27:21,190 --> 00:27:19,760 that's that's why green run is so 685 00:27:21,990 --> 00:27:21,200 important to us and so important to the 686 00:27:23,590 --> 00:27:22,000 team 687 00:27:26,310 --> 00:27:23,600 and so important to the future of the 688 00:27:28,149 --> 00:27:26,320 artemis mission we've heard you describe 689 00:27:31,269 --> 00:27:28,159 the rocket almost like a human we 690 00:27:33,350 --> 00:27:31,279 learned about the brains of sls um you 691 00:27:35,350 --> 00:27:33,360 talked about breathing so there's parts 692 00:27:36,710 --> 00:27:35,360 of the rocket that can actually move as 693 00:27:38,389 --> 00:27:36,720 the test goes forward today is that 694 00:27:39,750 --> 00:27:38,399 right right yeah a lot of people don't 695 00:27:42,070 --> 00:27:39,760 realize as we know we're pumping all 696 00:27:43,430 --> 00:27:42,080 that propellant into the into the core 697 00:27:45,110 --> 00:27:43,440 stage you know and that's really really 698 00:27:46,389 --> 00:27:45,120 cold you know you're talking about 699 00:27:48,070 --> 00:27:46,399 a lot of changing temperatures when 700 00:27:49,190 --> 00:27:48,080 you're hot firing the engine i mean 701 00:27:51,510 --> 00:27:49,200 you'll have a lot of parts that'll be 702 00:27:53,669 --> 00:27:51,520 moving not just you know tanks shrinking 703 00:27:55,269 --> 00:27:53,679 and growing by a few inches just because 704 00:27:56,549 --> 00:27:55,279 of that temperature change so you know 705 00:27:57,909 --> 00:27:56,559 it's almost like a like a breathing 706 00:27:59,350 --> 00:27:57,919 human being you know you'll when you 707 00:28:00,789 --> 00:27:59,360 when you turn it on it'll actually feel 708 00:28:03,269 --> 00:28:00,799 like you know it's rumbling you'll hear 709 00:28:05,350 --> 00:28:03,279 it you'll see it it'll be super exciting 710 00:28:06,789 --> 00:28:05,360 so when you turn the rocket on that's 711 00:28:08,710 --> 00:28:06,799 got to be harder than just turning your 712 00:28:11,029 --> 00:28:08,720 car on at home what's that like right 713 00:28:13,029 --> 00:28:11,039 absolutely you know we actually started 714 00:28:15,830 --> 00:28:13,039 vehicle power on a few days ago and you 715 00:28:16,710 --> 00:28:15,840 slowly turn on individual avionics boxes 716 00:28:19,110 --> 00:28:16,720 and then you have to charge the 717 00:28:20,789 --> 00:28:19,120 batteries right and so you're slowly 718 00:28:22,630 --> 00:28:20,799 turning it on one by one and doing 719 00:28:23,750 --> 00:28:22,640 verifications of each system as you do 720 00:28:25,750 --> 00:28:23,760 turn it on 721 00:28:27,909 --> 00:28:25,760 finally to the point where you have one 722 00:28:30,789 --> 00:28:27,919 large core stage working all together 723 00:28:32,710 --> 00:28:30,799 simultaneously simultaneously and you 724 00:28:35,029 --> 00:28:32,720 talked about temperature changes can you 725 00:28:36,710 --> 00:28:35,039 describe the changes that the engines 726 00:28:38,230 --> 00:28:36,720 will go through today right absolutely 727 00:28:39,990 --> 00:28:38,240 so the fuel that we're 728 00:28:42,230 --> 00:28:40,000 adding to the core stage right that's 729 00:28:44,630 --> 00:28:42,240 our liquid oxygen and liquid hydrogen 730 00:28:45,909 --> 00:28:44,640 both fuels are very very cold no yeah 731 00:28:47,830 --> 00:28:45,919 they have to be very cold to be in 732 00:28:49,430 --> 00:28:47,840 liquid form and not in their natural gas 733 00:28:51,669 --> 00:28:49,440 state so you know we're looking at 734 00:28:53,110 --> 00:28:51,679 temperatures uh negative 400 degrees you 735 00:28:54,070 --> 00:28:53,120 know a little bit more than negative 300 736 00:28:55,590 --> 00:28:54,080 degrees 737 00:28:57,350 --> 00:28:55,600 for those two propellants and then when 738 00:28:58,630 --> 00:28:57,360 it comes time for ignition you know in 739 00:29:00,149 --> 00:28:58,640 less than a second you know we're 740 00:29:01,110 --> 00:29:00,159 getting up to a few thousand degrees 741 00:29:03,669 --> 00:29:01,120 temperature 742 00:29:05,350 --> 00:29:03,679 that's a big difference really quickly 743 00:29:06,870 --> 00:29:05,360 yeah it's very fast you know and that's 744 00:29:08,870 --> 00:29:06,880 part of the thing which propels the core 745 00:29:10,389 --> 00:29:08,880 stage and the rest of the sls off the 746 00:29:12,870 --> 00:29:10,399 earth's surface i gotta say you're 747 00:29:14,549 --> 00:29:12,880 keeping calm you've got a cool level 748 00:29:15,909 --> 00:29:14,559 head right now but i have to imagine 749 00:29:17,750 --> 00:29:15,919 you're excited about this you've been 750 00:29:19,350 --> 00:29:17,760 working on this for years yeah you know 751 00:29:20,870 --> 00:29:19,360 it's an absolute surreal experience you 752 00:29:22,310 --> 00:29:20,880 know for everyone who's been working on 753 00:29:23,510 --> 00:29:22,320 this you know for the last few years and 754 00:29:25,750 --> 00:29:23,520 even longer than that you know i think 755 00:29:27,190 --> 00:29:25,760 it's everyone's really excited about the 756 00:29:28,870 --> 00:29:27,200 core stage test everyone's excited to 757 00:29:30,870 --> 00:29:28,880 see it be launched for artemis one and 758 00:29:32,149 --> 00:29:30,880 for the future artemis mission so um i 759 00:29:33,590 --> 00:29:32,159 know the whole team's working hard you 760 00:29:35,510 --> 00:29:33,600 know the team in our test control center 761 00:29:36,789 --> 00:29:35,520 is working very hard so um you know i 762 00:29:38,549 --> 00:29:36,799 think everyone's just looking forward to 763 00:29:40,310 --> 00:29:38,559 it i do want to talk a little bit more 764 00:29:42,470 --> 00:29:40,320 about the team because we see some 765 00:29:44,789 --> 00:29:42,480 people here but it's actually people 766 00:29:46,710 --> 00:29:44,799 across the country can you talk to us a 767 00:29:48,310 --> 00:29:46,720 little bit about the different companies 768 00:29:49,669 --> 00:29:48,320 that have gone into integrating with 769 00:29:51,750 --> 00:29:49,679 nasa here and how all that comes 770 00:29:53,430 --> 00:29:51,760 together yeah absolutely you know we we 771 00:29:55,430 --> 00:29:53,440 have thousands of thousands of parts on 772 00:29:57,430 --> 00:29:55,440 the rocket you know and there's tons of 773 00:29:59,830 --> 00:29:57,440 companies and subcontractors you know 774 00:30:01,190 --> 00:29:59,840 small companies big companies 775 00:30:03,510 --> 00:30:01,200 um and so you know we have more than 776 00:30:05,750 --> 00:30:03,520 four we've had parts from more than 44 777 00:30:08,389 --> 00:30:05,760 states across the nation um and then 778 00:30:09,750 --> 00:30:08,399 obviously you know our boeing contractor 779 00:30:10,950 --> 00:30:09,760 our lead contractor for the project you 780 00:30:12,549 --> 00:30:10,960 know they've been working hand in hand 781 00:30:14,549 --> 00:30:12,559 with nasa the whole time 782 00:30:16,389 --> 00:30:14,559 those teams have really been performing 783 00:30:18,950 --> 00:30:16,399 really really well thus far and then 784 00:30:21,029 --> 00:30:18,960 obviously our rs25 engine supplied by 785 00:30:22,310 --> 00:30:21,039 air jet rocketdyne you know all three of 786 00:30:23,590 --> 00:30:22,320 our teams have done a really good job of 787 00:30:25,190 --> 00:30:23,600 getting to today 788 00:30:27,510 --> 00:30:25,200 well alex thank you for being in the hot 789 00:30:29,269 --> 00:30:27,520 seat explaining everything to me and to 790 00:30:31,269 --> 00:30:29,279 everyone at home 791 00:30:32,549 --> 00:30:31,279 we are actually going to move forward 792 00:30:34,310 --> 00:30:32,559 now we're going to give you a little bit 793 00:30:36,070 --> 00:30:34,320 of a break feel free to take some water 794 00:30:37,909 --> 00:30:36,080 and listen in we actually would love for 795 00:30:40,310 --> 00:30:37,919 you to listen in to the control room so 796 00:30:41,669 --> 00:30:40,320 we can come back and ask you uh exactly 797 00:30:44,950 --> 00:30:41,679 what they're talking about give us a 798 00:30:48,710 --> 00:30:44,960 breakdown i'm excited now to be talking 799 00:30:50,389 --> 00:30:48,720 to an astronaut who is here with us 800 00:30:53,750 --> 00:30:50,399 tracy caldwell 801 00:30:55,590 --> 00:30:53,760 dyson tracy it's so great to meet you 802 00:30:58,310 --> 00:30:55,600 thank you so much for being here my 803 00:31:00,310 --> 00:30:58,320 pleasure it's real honor and a privilege 804 00:31:01,830 --> 00:31:00,320 to be here so it's gonna be exciting 805 00:31:05,509 --> 00:31:01,840 well first i want to talk to you about 806 00:31:07,630 --> 00:31:05,519 the act of launching off this planet you 807 00:31:10,549 --> 00:31:07,640 have flown on the shuttle 808 00:31:12,630 --> 00:31:10,559 sts-118 specifically and one of those 809 00:31:15,909 --> 00:31:12,640 engines that flew you to space is 810 00:31:17,590 --> 00:31:15,919 powering this very core stage that's 811 00:31:19,190 --> 00:31:17,600 pretty cool that is real really cool all 812 00:31:20,549 --> 00:31:19,200 right i have to ask you first basic 813 00:31:23,350 --> 00:31:20,559 question what does it feel like to 814 00:31:25,750 --> 00:31:23,360 launch oh gosh there's so many feelings 815 00:31:27,029 --> 00:31:25,760 uh even before you even get inside the 816 00:31:29,350 --> 00:31:27,039 vehicle as you're walking up to the 817 00:31:31,830 --> 00:31:29,360 launch pad you see this mammoth rocket 818 00:31:33,669 --> 00:31:31,840 standing before you and from the 819 00:31:35,669 --> 00:31:33,679 sensations to the the things that you 820 00:31:37,509 --> 00:31:35,679 see to the things that you realize 821 00:31:40,710 --> 00:31:37,519 you've got a job to do but yet you're 822 00:31:42,710 --> 00:31:40,720 doing this um incredible uh you're 823 00:31:44,710 --> 00:31:42,720 having this incredible experience 824 00:31:48,070 --> 00:31:44,720 from the the light off of the engines to 825 00:31:50,470 --> 00:31:48,080 the uh to the liftoff uh the the swain 826 00:31:52,630 --> 00:31:50,480 of the rocket the rumble the the all of 827 00:31:55,190 --> 00:31:52,640 the vibrations the controlled explosion 828 00:31:56,549 --> 00:31:55,200 happening underneath you to the 829 00:31:59,269 --> 00:31:56,559 constant acceleration that you're 830 00:32:00,789 --> 00:31:59,279 feeling as you're propelled into orbit 831 00:32:02,310 --> 00:32:00,799 to the you know the engines are 832 00:32:04,630 --> 00:32:02,320 throttling all you know is that you're 833 00:32:07,190 --> 00:32:04,640 just going fast and um and then you're 834 00:32:09,269 --> 00:32:07,200 you're in there with uh your bodies um 835 00:32:11,990 --> 00:32:09,279 you've been training all this time uh 836 00:32:14,470 --> 00:32:12,000 you get to um the the solid rocket 837 00:32:16,710 --> 00:32:14,480 boosters as soon as they expend their 838 00:32:18,310 --> 00:32:16,720 energy and they separate from the 839 00:32:21,669 --> 00:32:18,320 vehicle and you're just riding on those 840 00:32:23,990 --> 00:32:21,679 main engines the rs25s i remember 841 00:32:25,669 --> 00:32:24,000 being so impressed with how smooth and 842 00:32:28,070 --> 00:32:25,679 powerful that ride was it was like 843 00:32:30,230 --> 00:32:28,080 riding on rails and um and then of 844 00:32:32,549 --> 00:32:30,240 course the moment you get into uh into 845 00:32:34,710 --> 00:32:32,559 orbit it's some of the the most strange 846 00:32:36,710 --> 00:32:34,720 tranquility that you've 847 00:32:38,149 --> 00:32:36,720 ever experienced in your life 848 00:32:39,669 --> 00:32:38,159 i want to ask you to do something here 849 00:32:41,509 --> 00:32:39,679 if you'll indulge me for a second let's 850 00:32:43,909 --> 00:32:41,519 just take a look back because we are 851 00:32:47,190 --> 00:32:43,919 about a mile away 852 00:32:51,269 --> 00:32:47,200 from sls well as you take a look at that 853 00:32:55,110 --> 00:32:53,509 you know i have to i have to give it up 854 00:32:57,110 --> 00:32:55,120 for the folks there in the control room 855 00:32:59,590 --> 00:32:57,120 right now because i you know i can 856 00:33:01,669 --> 00:32:59,600 remember how i felt standing at the at 857 00:33:04,149 --> 00:33:01,679 the foot of the rocket before i launched 858 00:33:05,909 --> 00:33:04,159 on it but all those folks like alex was 859 00:33:08,470 --> 00:33:05,919 mentioning that have played a role in 860 00:33:10,630 --> 00:33:08,480 this plus uh the ones that are around 861 00:33:13,110 --> 00:33:10,640 the test stand um 862 00:33:15,590 --> 00:33:13,120 that is their baby and um when those 863 00:33:17,509 --> 00:33:15,600 when those engines light there's um 864 00:33:20,950 --> 00:33:17,519 there's a lot of hands and eyes and 865 00:33:22,310 --> 00:33:20,960 hearts and soul that are uh that are in 866 00:33:23,909 --> 00:33:22,320 every ounce of thrust that are coming 867 00:33:25,830 --> 00:33:23,919 out of those engines and so i think when 868 00:33:28,389 --> 00:33:25,840 i look at that i just think about all of 869 00:33:29,990 --> 00:33:28,399 the people um who make up the body of 870 00:33:31,190 --> 00:33:30,000 that rocket and the thrust that's coming 871 00:33:32,070 --> 00:33:31,200 out of it and i'm really excited for 872 00:33:33,830 --> 00:33:32,080 them 873 00:33:36,070 --> 00:33:33,840 excited for all of us 874 00:33:38,149 --> 00:33:36,080 and it's exciting for all of us here and 875 00:33:40,789 --> 00:33:38,159 what's the difference with the um 876 00:33:42,950 --> 00:33:40,799 excitement in the astronaut community oh 877 00:33:44,470 --> 00:33:42,960 goodness um well i'll tell you what 878 00:33:46,630 --> 00:33:44,480 there's a whole 879 00:33:48,470 --> 00:33:46,640 lot of other uh blue flight suits folks 880 00:33:49,590 --> 00:33:48,480 that wish that they were here today um 881 00:33:51,909 --> 00:33:49,600 we are 882 00:33:55,190 --> 00:33:51,919 just genuinely excited about this 883 00:33:57,669 --> 00:33:55,200 opportunity to um to go 884 00:34:01,669 --> 00:33:57,679 further than low earth orbit and explore 885 00:34:04,149 --> 00:34:01,679 again our moon and to set a foundation 886 00:34:06,549 --> 00:34:04,159 along with those footprints and to go 887 00:34:09,510 --> 00:34:06,559 beyond that and to just be here at this 888 00:34:10,470 --> 00:34:09,520 time um with all this excitement is 889 00:34:13,510 --> 00:34:10,480 a real 890 00:34:15,829 --> 00:34:13,520 privilege for all of us um but as as a 891 00:34:18,310 --> 00:34:15,839 core of astronauts um we're just really 892 00:34:20,230 --> 00:34:18,320 excited about where we're headed all 893 00:34:22,230 --> 00:34:20,240 right you said moon so as we progress 894 00:34:25,270 --> 00:34:22,240 towards the moon talk to us about the 895 00:34:26,869 --> 00:34:25,280 significance of the human element in 896 00:34:29,750 --> 00:34:26,879 space why is it so important to put 897 00:34:30,869 --> 00:34:29,760 humans back on the moon oh goodness um 898 00:34:31,669 --> 00:34:30,879 i think 899 00:34:33,589 --> 00:34:31,679 it's 900 00:34:34,550 --> 00:34:33,599 there's so many ways to answer this but 901 00:34:36,710 --> 00:34:34,560 i think 902 00:34:38,310 --> 00:34:36,720 you know we we have it inside each one 903 00:34:41,030 --> 00:34:38,320 of us to 904 00:34:41,990 --> 00:34:41,040 to to discover to explore 905 00:34:44,710 --> 00:34:42,000 to 906 00:34:45,990 --> 00:34:44,720 let out our creativity and 907 00:34:47,750 --> 00:34:46,000 i think the reason it's important for 908 00:34:49,750 --> 00:34:47,760 humans i mean techno technically it's 909 00:34:51,190 --> 00:34:49,760 important because um we know how to make 910 00:34:53,829 --> 00:34:51,200 decisions right then and there 911 00:34:55,669 --> 00:34:53,839 especially with time delays and and uh 912 00:34:57,910 --> 00:34:55,679 not having a camera view every single 913 00:35:00,150 --> 00:34:57,920 place you need to look it's uh i think 914 00:35:02,390 --> 00:35:00,160 vital to have humans involved but the 915 00:35:04,790 --> 00:35:02,400 spirit the of exploration 916 00:35:07,030 --> 00:35:04,800 is within our hearts and uh there's no 917 00:35:09,910 --> 00:35:07,040 other way to live it out but to send our 918 00:35:11,349 --> 00:35:09,920 humans um to these destinations and 919 00:35:13,510 --> 00:35:11,359 there's a lot of people watching today 920 00:35:15,270 --> 00:35:13,520 and a lot of kids watching today young 921 00:35:16,550 --> 00:35:15,280 girls watching today do you have 922 00:35:18,550 --> 00:35:16,560 anything you want to say to them 923 00:35:20,950 --> 00:35:18,560 specifically oh goodness 924 00:35:22,790 --> 00:35:20,960 uh well with what time we have left i 925 00:35:24,790 --> 00:35:22,800 would say that um the most important 926 00:35:26,550 --> 00:35:24,800 thing to do is to uh 927 00:35:27,910 --> 00:35:26,560 is to know what you enjoy doing and 928 00:35:30,470 --> 00:35:27,920 start now 929 00:35:32,230 --> 00:35:30,480 taking note of those things because what 930 00:35:34,069 --> 00:35:32,240 we really want is 931 00:35:37,190 --> 00:35:34,079 is the best in you and what brings the 932 00:35:39,190 --> 00:35:37,200 best in you out for everyone to see is 933 00:35:39,990 --> 00:35:39,200 doing the things that you enjoy and so i 934 00:35:42,470 --> 00:35:40,000 would 935 00:35:45,030 --> 00:35:42,480 encourage everyone to to go 936 00:35:47,030 --> 00:35:45,040 and explore all the all the things that 937 00:35:48,950 --> 00:35:47,040 you um are doing right now and ask 938 00:35:51,109 --> 00:35:48,960 yourself if um 939 00:35:52,630 --> 00:35:51,119 if you didn't have to uh 940 00:35:54,790 --> 00:35:52,640 if you didn't have to get a grade in 941 00:35:57,589 --> 00:35:54,800 this would you still be doing it um and 942 00:35:59,990 --> 00:35:57,599 so i just think that it's it's within 943 00:36:01,430 --> 00:36:00,000 their reach to um 944 00:36:03,270 --> 00:36:01,440 to fulfill their dreams as long as what 945 00:36:05,750 --> 00:36:03,280 they're doing is what they enjoy 946 00:36:07,990 --> 00:36:05,760 stay curious stay curious absolutely 947 00:36:09,670 --> 00:36:08,000 well tracy i'm lucky to be with you 948 00:36:11,270 --> 00:36:09,680 we're both lucky to be here right now 949 00:36:13,190 --> 00:36:11,280 but there are a lot of people at home 950 00:36:14,790 --> 00:36:13,200 who've got questions for you too would 951 00:36:17,270 --> 00:36:14,800 you mind if i asked you some questions 952 00:36:20,150 --> 00:36:17,280 off of twitter please do all right 953 00:36:22,470 --> 00:36:20,160 we're gonna jump to uh a few questions 954 00:36:26,470 --> 00:36:22,480 we've gotten in the first one is from 955 00:36:28,630 --> 00:36:26,480 amber amber on twitter asks what is the 956 00:36:31,270 --> 00:36:28,640 main mission or what do you hope to 957 00:36:33,589 --> 00:36:31,280 learn with these next series of landings 958 00:36:34,710 --> 00:36:33,599 on the moon i think what we are trying 959 00:36:36,390 --> 00:36:34,720 to learn is 960 00:36:39,349 --> 00:36:36,400 just make sure we know how to get back 961 00:36:43,030 --> 00:36:39,359 there and then to 962 00:36:44,710 --> 00:36:43,040 to set up uh to set up our um 963 00:36:47,109 --> 00:36:44,720 our mission so that we can come back and 964 00:36:49,030 --> 00:36:47,119 we and our whole goal is to is to lay a 965 00:36:50,790 --> 00:36:49,040 foundation on the moon and make it 966 00:36:53,510 --> 00:36:50,800 sustainable so that we can continue to 967 00:36:57,030 --> 00:36:53,520 come back and so i think the most um the 968 00:36:59,510 --> 00:36:57,040 most important thing is uh is to um is 969 00:37:01,670 --> 00:36:59,520 to test our systems and uh to make sure 970 00:37:03,589 --> 00:37:01,680 that we can uh duplicate it so make sure 971 00:37:05,829 --> 00:37:03,599 we don't get lost and that we know what 972 00:37:07,510 --> 00:37:05,839 we're doing when we get there okay 973 00:37:09,270 --> 00:37:07,520 highly important that's a great answer 974 00:37:11,670 --> 00:37:09,280 all right another user on twitter asks 975 00:37:15,190 --> 00:37:11,680 what would be your final meal before 976 00:37:17,430 --> 00:37:15,200 leaving for the moon oh goodness ah 977 00:37:19,430 --> 00:37:17,440 what would be my final meal 978 00:37:21,190 --> 00:37:19,440 you know what i would i would this is 979 00:37:23,910 --> 00:37:21,200 gonna be boring but i would want a salad 980 00:37:25,270 --> 00:37:23,920 why why because i want fresh food before 981 00:37:27,349 --> 00:37:25,280 i go because the rest was going to be 982 00:37:30,550 --> 00:37:27,359 all dehydrated i'm pretty sure did you 983 00:37:32,950 --> 00:37:30,560 get queasy on the launch too no uh 984 00:37:34,950 --> 00:37:32,960 i didn't um and i think part of that's 985 00:37:37,349 --> 00:37:34,960 because you are so highly trained and 986 00:37:38,870 --> 00:37:37,359 you've got a job to do and you're highly 987 00:37:40,790 --> 00:37:38,880 focused 988 00:37:41,589 --> 00:37:40,800 and with all the g's pressing against 989 00:37:44,870 --> 00:37:41,599 you 990 00:37:47,190 --> 00:37:44,880 keeping it down 991 00:37:49,510 --> 00:37:47,200 there one last question for you 992 00:37:50,550 --> 00:37:49,520 what is the coolest thing you've 993 00:37:53,270 --> 00:37:50,560 experienced 994 00:37:55,829 --> 00:37:53,280 being an astronaut oh i gotta say that 995 00:37:57,430 --> 00:37:55,839 it is um being in 996 00:37:59,109 --> 00:37:57,440 shorts and a t-shirt 997 00:38:00,630 --> 00:37:59,119 living on board the space station 998 00:38:02,870 --> 00:38:00,640 looking out the window and gazing at 999 00:38:04,550 --> 00:38:02,880 this beautiful planet that that probably 1000 00:38:06,550 --> 00:38:04,560 is the most exciting coolest thing i've 1001 00:38:08,790 --> 00:38:06,560 ever done as an astronaut 1002 00:38:11,349 --> 00:38:08,800 well tracy thank you so much for being 1003 00:38:13,430 --> 00:38:11,359 here i hope you get to enjoy the show 1004 00:38:15,589 --> 00:38:13,440 and uh thank you to everyone watching 1005 00:38:17,349 --> 00:38:15,599 and submitting questions online what 1006 00:38:19,670 --> 00:38:17,359 we're going to do right now is we are 1007 00:38:21,589 --> 00:38:19,680 just going to watch with you we're going 1008 00:38:23,109 --> 00:38:21,599 to take a step back we are going to 1009 00:38:25,829 --> 00:38:23,119 watch the test stand and we're going to 1010 00:38:27,670 --> 00:38:25,839 listen in and we are going to ask alex 1011 00:38:29,190 --> 00:38:27,680 to uh please 1012 00:38:30,790 --> 00:38:29,200 pay extra special attention because 1013 00:38:32,550 --> 00:38:30,800 we're going to come back and ask you 1014 00:38:34,390 --> 00:38:32,560 what's going on in the control room so 1015 00:38:36,390 --> 00:38:34,400 again we are going to take a step back 1016 00:39:48,220 --> 00:38:36,400 and i'll just watch the test stand for 1017 00:39:48,230 --> 00:41:26,870 [Applause] 1018 00:41:32,470 --> 00:41:29,030 and a reminder we are in a dynamic 1019 00:41:34,950 --> 00:41:32,480 situation the teams are in a hold right 1020 00:41:37,589 --> 00:41:34,960 now we are still well within our window 1021 00:41:41,030 --> 00:41:37,599 for today's test the teams are working 1022 00:41:44,309 --> 00:41:41,040 towards getting an updated test time for 1023 00:41:45,990 --> 00:41:44,319 today so we have alex with us and alex 1024 00:41:48,309 --> 00:41:46,000 um we were listening into a little bit 1025 00:41:50,150 --> 00:41:48,319 of the control room audio what does it 1026 00:41:51,910 --> 00:41:50,160 mean that we're in a hold and what were 1027 00:41:53,270 --> 00:41:51,920 you hearing from the control room right 1028 00:41:55,109 --> 00:41:53,280 so right now we're still in a stable 1029 00:41:56,790 --> 00:41:55,119 replenish and basically what that means 1030 00:41:58,950 --> 00:41:56,800 is we're still getting fuel into the 1031 00:42:00,230 --> 00:41:58,960 tanks from the facility and there are 1032 00:42:01,270 --> 00:42:00,240 plenty of cycles kind of meant to 1033 00:42:02,550 --> 00:42:01,280 maintain 1034 00:42:04,390 --> 00:42:02,560 topping off the tanks to their full 1035 00:42:05,910 --> 00:42:04,400 capacity as some of that liquid does 1036 00:42:07,829 --> 00:42:05,920 turn back to gas and we've been off that 1037 00:42:10,069 --> 00:42:07,839 gas so we are in a stable replenish 1038 00:42:11,670 --> 00:42:10,079 phase um obviously some some of our 1039 00:42:13,510 --> 00:42:11,680 engineers in the test control center are 1040 00:42:15,510 --> 00:42:13,520 seeing some data that they don't like or 1041 00:42:18,069 --> 00:42:15,520 might be um not exactly normal for what 1042 00:42:19,510 --> 00:42:18,079 they usually see um so those teams are 1043 00:42:21,349 --> 00:42:19,520 off now kind of having sidebar 1044 00:42:22,630 --> 00:42:21,359 conversations with each other to kind of 1045 00:42:24,710 --> 00:42:22,640 determine what we need to do to go 1046 00:42:26,470 --> 00:42:24,720 forward so i want to go back because all 1047 00:42:27,750 --> 00:42:26,480 this might be obvious to you but we're 1048 00:42:29,430 --> 00:42:27,760 trying to figure out where we are in 1049 00:42:30,710 --> 00:42:29,440 this whole process we thought you know 1050 00:42:32,069 --> 00:42:30,720 we might just come here and see the 1051 00:42:34,470 --> 00:42:32,079 engines light up but that's not what 1052 00:42:36,390 --> 00:42:34,480 happens so what happened up until this 1053 00:42:38,470 --> 00:42:36,400 point and what are we waiting on now 1054 00:42:39,829 --> 00:42:38,480 right so like we said you know we 1055 00:42:41,190 --> 00:42:39,839 powered on the vehicle right over the 1056 00:42:42,710 --> 00:42:41,200 last few days you know we've we've 1057 00:42:45,030 --> 00:42:42,720 repaired all the systems we've tested 1058 00:42:47,829 --> 00:42:45,040 all the systems and then this morning we 1059 00:42:49,510 --> 00:42:47,839 started tanking you know by uh filling 1060 00:42:51,589 --> 00:42:49,520 both our liquid hydrogen and our liquid 1061 00:42:53,109 --> 00:42:51,599 oxygen tanks with propellant and so 1062 00:42:54,950 --> 00:42:53,119 that's really been the long process 1063 00:42:57,190 --> 00:42:54,960 today i mean obviously we have to chill 1064 00:42:59,109 --> 00:42:57,200 down our main propulsion system so all 1065 00:43:00,950 --> 00:42:59,119 of our mechanical parts have to be 1066 00:43:03,109 --> 00:43:00,960 chilled down to a certain temperature 1067 00:43:04,550 --> 00:43:03,119 before we do a hot fire as well so you 1068 00:43:07,349 --> 00:43:04,560 know right now they're obviously working 1069 00:43:09,030 --> 00:43:07,359 through some some issues in that process 1070 00:43:10,870 --> 00:43:09,040 you know and as we learn more as they 1071 00:43:13,030 --> 00:43:10,880 learn more we'll learn more 1072 00:43:14,550 --> 00:43:13,040 and so whenever we do hear audio we'll 1073 00:43:16,069 --> 00:43:14,560 be able to give a better update so why 1074 00:43:17,670 --> 00:43:16,079 don't you tell us a little bit about 1075 00:43:19,750 --> 00:43:17,680 that process we're talking about 1076 00:43:21,349 --> 00:43:19,760 chilling down the engines themselves 1077 00:43:22,870 --> 00:43:21,359 right yeah all the engines and all the 1078 00:43:24,470 --> 00:43:22,880 components inside the engine section 1079 00:43:25,589 --> 00:43:24,480 which holds the engines 1080 00:43:27,990 --> 00:43:25,599 have to be towed down to a certain 1081 00:43:29,430 --> 00:43:28,000 temperature before you uh start the 1082 00:43:31,030 --> 00:43:29,440 actual hot fire the ignition of the 1083 00:43:31,910 --> 00:43:31,040 engines um and that's just because 1084 00:43:34,230 --> 00:43:31,920 they're you know they're meant to 1085 00:43:36,470 --> 00:43:34,240 operate under those cold cryo cryogenic 1086 00:43:37,829 --> 00:43:36,480 temperatures um and then obviously when 1087 00:43:39,270 --> 00:43:37,839 you're hot firing the engines you start 1088 00:43:40,790 --> 00:43:39,280 to heat up those parts right so you want 1089 00:43:42,710 --> 00:43:40,800 to cool them down to a certain to a 1090 00:43:44,710 --> 00:43:42,720 certain point and then obviously you'll 1091 00:43:47,910 --> 00:43:44,720 heat them back up whenever you're firing 1092 00:43:50,870 --> 00:43:47,920 the engines so say this hold is lifted 1093 00:43:53,349 --> 00:43:50,880 um what will happen next so if when we 1094 00:43:55,349 --> 00:43:53,359 do or when they talk about the hole and 1095 00:43:56,950 --> 00:43:55,359 they lift it to continue operations you 1096 00:43:58,230 --> 00:43:56,960 know we'll from that point we're at the 1097 00:44:01,270 --> 00:43:58,240 point where we'll start to move into our 1098 00:44:03,030 --> 00:44:01,280 t minus ten minute countdown um and that 1099 00:44:05,829 --> 00:44:03,040 countdown kind of moves into our final 1100 00:44:07,349 --> 00:44:05,839 sequence of activities uh to 1101 00:44:09,109 --> 00:44:07,359 finalize right before we get to the 1102 00:44:11,030 --> 00:44:09,119 actual hot fire so there's a whole set 1103 00:44:13,910 --> 00:44:11,040 of activities we get um every few 1104 00:44:16,069 --> 00:44:13,920 minutes and that'll kind of determine um 1105 00:44:18,069 --> 00:44:16,079 like what time we will fire and then 1106 00:44:20,069 --> 00:44:18,079 that we are actually going to fight will 1107 00:44:22,150 --> 00:44:20,079 we be able to see anything during that 1108 00:44:23,750 --> 00:44:22,160 t-minus 10 countdown or really not see 1109 00:44:24,870 --> 00:44:23,760 anything until the last second yeah 1110 00:44:25,990 --> 00:44:24,880 you'll probably see a few things and 1111 00:44:27,430 --> 00:44:26,000 it's a few of those things you might be 1112 00:44:28,950 --> 00:44:27,440 able to see right now 1113 00:44:31,109 --> 00:44:28,960 the water suppression system is 1114 00:44:32,309 --> 00:44:31,119 operating it's not operating at 100 1115 00:44:33,829 --> 00:44:32,319 right now because we're obviously not 1116 00:44:35,910 --> 00:44:33,839 hot firing the engines 1117 00:44:38,870 --> 00:44:35,920 but when we do you'll be pumping 100 000 1118 00:44:41,030 --> 00:44:38,880 gallons of water every 20 seconds um you 1119 00:44:42,870 --> 00:44:41,040 know you'll be able to see obviously uh 1120 00:44:44,150 --> 00:44:42,880 some of the engines gimbal which we're 1121 00:44:46,550 --> 00:44:44,160 moving in a few degrees in different 1122 00:44:48,630 --> 00:44:46,560 directions um and that'll be part of the 1123 00:44:50,390 --> 00:44:48,640 the run up until we actually do activate 1124 00:44:52,309 --> 00:44:50,400 each engine and you've told me this 1125 00:44:54,390 --> 00:44:52,319 before off stage but i thought this was 1126 00:44:57,190 --> 00:44:54,400 fascinating so we haven't had a test 1127 00:44:58,950 --> 00:44:57,200 like this since the apollo era and there 1128 00:45:01,109 --> 00:44:58,960 was something that happened then with a 1129 00:45:02,630 --> 00:45:01,119 giant plume that actually made it start 1130 00:45:04,390 --> 00:45:02,640 raining on everyone out here can you 1131 00:45:05,910 --> 00:45:04,400 tell us that story yeah absolutely a lot 1132 00:45:07,589 --> 00:45:05,920 of people don't realize is no we have 1133 00:45:09,750 --> 00:45:07,599 our two propellants our liquid hydrogen 1134 00:45:10,950 --> 00:45:09,760 and our liquid oxygen um you know and 1135 00:45:12,950 --> 00:45:10,960 when you 1136 00:45:15,510 --> 00:45:12,960 react with those two chemicals you know 1137 00:45:17,270 --> 00:45:15,520 you're really just creating h2o so when 1138 00:45:19,190 --> 00:45:17,280 you see the big plume coming out it's 1139 00:45:21,430 --> 00:45:19,200 just water vapor right and you know 1140 00:45:23,670 --> 00:45:21,440 since when we attested apollo you know 1141 00:45:26,470 --> 00:45:23,680 back during the um 1142 00:45:28,309 --> 00:45:26,480 saturn 5 program you know 1143 00:45:30,470 --> 00:45:28,319 that the amount of water vapor coming 1144 00:45:32,150 --> 00:45:30,480 out during that test is quite 1145 00:45:34,069 --> 00:45:32,160 breathtaking and also it's so much that 1146 00:45:35,430 --> 00:45:34,079 it can create clouds and sometimes rain 1147 00:45:37,430 --> 00:45:35,440 clouds so sometimes you can get rained 1148 00:45:39,190 --> 00:45:37,440 on from that all right so we can expect 1149 00:45:40,150 --> 00:45:39,200 possible rain even though it's a 1150 00:45:42,390 --> 00:45:40,160 beautiful 1151 00:45:44,069 --> 00:45:42,400 cold but sunny day today what else can 1152 00:45:45,670 --> 00:45:44,079 we expect to see 1153 00:45:47,829 --> 00:45:45,680 right so you'll hear the test conductor 1154 00:45:49,510 --> 00:45:47,839 audio um when we get into our t-minus 1155 00:45:52,230 --> 00:45:49,520 10-minute countdown 1156 00:45:53,829 --> 00:45:52,240 so after that you'll hear you know every 1157 00:45:55,349 --> 00:45:53,839 few minutes him come on come on the 1158 00:45:57,190 --> 00:45:55,359 phone and say hey we're you know we're 1159 00:45:59,829 --> 00:45:57,200 getting to this step and then you'll 1160 00:46:01,990 --> 00:45:59,839 hear the engines rev up for the hot fire 1161 00:46:04,309 --> 00:46:02,000 well alex thank you so much we are going 1162 00:46:07,030 --> 00:46:04,319 to remain live i might be coming back to 1163 00:46:08,309 --> 00:46:07,040 you in a minute in 10 minutes but we are 1164 00:46:09,829 --> 00:46:08,319 really excited to have you here 1165 00:46:12,150 --> 00:46:09,839 explaining everything to us and a 1166 00:46:14,950 --> 00:46:12,160 reminder to everyone at home this is a 1167 00:46:17,109 --> 00:46:14,960 live test we are still listening in for 1168 00:46:19,910 --> 00:46:17,119 the control room teams as they review 1169 00:46:21,910 --> 00:46:19,920 the data of the test up to this point 1170 00:46:24,790 --> 00:46:21,920 they are having a conversation right now 1171 00:46:26,950 --> 00:46:24,800 about the appropriate steps to move 1172 00:46:28,950 --> 00:46:26,960 forward so alex 1173 00:46:30,390 --> 00:46:28,960 we've had a little bit of a talk about 1174 00:46:32,790 --> 00:46:30,400 those discussions again we're going to 1175 00:46:34,870 --> 00:46:32,800 be coming back and forth to you um and 1176 00:46:37,589 --> 00:46:34,880 again a note to our viewers we're going 1177 00:46:40,630 --> 00:46:37,599 to be hearing calls from the test 1178 00:46:43,270 --> 00:46:40,640 conductor at regular intervals over the 1179 00:46:45,349 --> 00:46:43,280 next 10 minutes or possibly more when we 1180 00:46:47,829 --> 00:46:45,359 hear those call outs what we're going to 1181 00:46:49,510 --> 00:46:47,839 do is we're going to pause and listen in 1182 00:46:51,750 --> 00:46:49,520 i might turn to alex and and have you 1183 00:46:54,069 --> 00:46:51,760 explain them to us again 1184 00:46:56,150 --> 00:46:54,079 for right now what we're going to do is 1185 00:46:58,230 --> 00:46:56,160 pause and listen for some of those so we 1186 00:47:00,230 --> 00:46:58,240 can try to catch up with the rest of you 1187 00:47:02,470 --> 00:47:00,240 and everyone in the control room find 1188 00:47:05,349 --> 00:47:02,480 out what's going on and just take a step 1189 00:47:45,190 --> 00:47:05,359 back and look at the beautiful sls on 1190 00:47:45,200 --> 00:50:49,910 [Applause] 1191 00:50:53,349 --> 00:50:51,270 okay all personnel to kind of keep it 1192 00:50:55,430 --> 00:50:53,359 down the control room please 1193 00:50:57,589 --> 00:50:55,440 we are coming up on another event here 1194 00:50:59,349 --> 00:50:57,599 in the terminal countdown timeline 1195 00:51:49,590 --> 00:50:59,359 coming up on about team minus 40 minutes 1196 00:53:31,190 --> 00:51:59,870 [Applause] 1197 00:53:35,670 --> 00:53:32,870 all right all personnel we're going to 1198 00:53:37,589 --> 00:53:35,680 be picking up on page 3.27 we're at the 1199 00:53:41,030 --> 00:53:37,599 teamize 40 minute the 1200 00:53:42,630 --> 00:53:41,040 time market event step 4.61 sce let's go 1201 00:53:45,589 --> 00:53:42,640 ahead and initiate the terminal account 1202 00:53:48,390 --> 00:53:45,599 sequencer ioc for sub step alpha let's 1203 00:53:57,270 --> 00:53:48,400 go ahead and enable tcc user underscore 1204 00:54:01,750 --> 00:53:59,190 use your hold enabled in green got me 1205 00:54:03,349 --> 00:54:01,760 and then please enable stctr 48 please 1206 00:54:05,750 --> 00:54:03,359 the stage controller from countdown 1207 00:54:06,750 --> 00:54:05,760 engine anomaly if not already enabled 1208 00:54:09,829 --> 00:54:06,760 uh 1209 00:54:12,470 --> 00:54:09,839 stctr48 enabled in green copy that takes 1210 00:54:14,230 --> 00:54:12,480 us to step 4.62 sequencer let's go ahead 1211 00:54:16,630 --> 00:54:14,240 and perform the stage contour terminal 1212 00:54:18,790 --> 00:54:16,640 count sequencer set up as follows 1213 00:54:20,790 --> 00:54:18,800 please ensure the countdown timer is 1214 00:54:25,990 --> 00:54:20,800 open 1215 00:54:27,349 --> 00:54:26,000 display test commit criteria is also 1216 00:54:31,910 --> 00:54:27,359 open 1217 00:54:34,150 --> 00:54:31,920 and we're going to give a sub step 1218 00:54:36,230 --> 00:54:34,160 charlie if you would verifies on the 1219 00:54:38,789 --> 00:54:36,240 terminal account sequencer that the isc 1220 00:54:40,630 --> 00:54:38,799 has been initiated 1221 00:54:43,109 --> 00:54:40,640 uh verifying initialization was 1222 00:54:46,069 --> 00:54:43,119 successful coming and verify engine 1223 00:54:48,150 --> 00:54:46,079 configuration is hot fire 1224 00:54:50,549 --> 00:54:48,160 engine configuration is high fire and 1225 00:54:51,430 --> 00:54:50,559 verified display configuration is hot 1226 00:54:53,589 --> 00:54:51,440 fire 1227 00:54:55,109 --> 00:54:53,599 display configuration is also how far 1228 00:54:56,870 --> 00:54:55,119 for sub step four please record the 1229 00:54:58,710 --> 00:54:56,880 version of the gls events table being 1230 00:55:02,230 --> 00:54:58,720 used for today 1231 00:55:03,430 --> 00:55:02,240 okay version hot fire version r 98 rail 1232 00:55:06,630 --> 00:55:03,440 eight 1233 00:55:08,630 --> 00:55:06,640 did you copy that vqa no sir 1234 00:55:09,990 --> 00:55:08,640 engine configuration then used today is 1235 00:55:11,910 --> 00:55:10,000 hot fire 1236 00:55:13,349 --> 00:55:11,920 version r 1237 00:55:24,150 --> 00:55:13,359 98 1238 00:55:27,349 --> 00:55:24,160 correct quick alpha copy that takes the 1239 00:55:33,109 --> 00:55:27,359 toughest i have that alpha right 1240 00:55:36,710 --> 00:55:34,630 okay that takes us to the top of page 1241 00:55:38,549 --> 00:55:36,720 328 for sub step five 1242 00:55:41,030 --> 00:55:38,559 verified that the engine configuration 1243 00:55:43,910 --> 00:55:41,040 is the desired version of the gls events 1244 00:55:45,109 --> 00:55:43,920 table you just mentioned 1245 00:55:47,190 --> 00:55:45,119 and fire 1246 00:55:49,670 --> 00:55:47,200 and verify the display configuration is 1247 00:55:51,030 --> 00:55:49,680 also the desired version of the gls 1248 00:55:53,589 --> 00:55:51,040 event stable 1249 00:55:56,309 --> 00:55:53,599 also confirmed okay under your tcs 1250 00:56:02,230 --> 00:55:56,319 engine status verify activate sequencer 1251 00:56:07,510 --> 00:56:05,990 tcf engine status activated uh copy that 1252 00:56:09,589 --> 00:56:07,520 okay for the note there she says we'll 1253 00:56:10,789 --> 00:56:09,599 automatically stop at the t minus 10 1254 00:56:14,829 --> 00:56:10,799 minute hold point 1255 00:56:17,109 --> 00:56:14,839 h-e-a if you're on 16 step 4.63 is 1256 00:56:23,270 --> 00:56:17,119 yours copy that 1257 00:56:23,280 --> 00:56:27,030 getting a second here's coming to 16. 1258 00:56:32,309 --> 00:56:29,750 go for ncc 1259 00:56:34,549 --> 00:56:32,319 ntc can you please verify and or perform 1260 00:56:38,549 --> 00:56:34,559 a helium spin start panel activation for 1261 00:56:40,470 --> 00:56:38,559 dop 11 to provide 1 000 to 1 300 psig to 1262 00:56:41,670 --> 00:56:40,480 the captures 1263 00:56:47,109 --> 00:56:41,680 roger that 1264 00:56:50,630 --> 00:56:48,230 copy that 1265 00:56:54,470 --> 00:56:50,640 and it's complete 1266 00:56:55,910 --> 00:56:54,480 record a utc on that of 0 1267 00:56:56,950 --> 00:56:55,920 1 6 1268 00:56:59,670 --> 00:56:56,960 21 1269 00:57:04,470 --> 00:56:59,680 17 1270 00:57:11,109 --> 00:57:06,390 coming into ntc the next step is yours 1271 00:57:14,390 --> 00:57:12,390 roger that 1272 00:57:17,750 --> 00:57:14,400 and uh in btc 1273 00:57:21,829 --> 00:57:17,760 let's go ahead and prepare this 1274 00:57:23,750 --> 00:57:21,839 the deflector for test configuration 1275 00:57:26,630 --> 00:57:23,760 and he's on the phone but he's been 1276 00:57:28,950 --> 00:57:26,640 coordinating with water plant and he'll 1277 00:57:32,309 --> 00:57:28,960 get the bypasses open in just a moment 1278 00:57:36,150 --> 00:57:34,069 and then to see per our discussion we 1279 00:57:37,670 --> 00:57:36,160 will keep the main we will maintain the 1280 00:57:40,710 --> 00:57:37,680 current timeline in the current 1281 00:59:49,390 --> 00:57:40,720 countdown time for our discussion rajat 1282 00:59:49,400 --> 01:00:17,829 [Applause] 1283 01:00:23,190 --> 01:00:20,549 you are watching nasa's green run hot 1284 01:00:25,510 --> 01:00:23,200 fire test here at stennis space center 1285 01:00:27,750 --> 01:00:25,520 the teams are in a hold 1286 01:00:30,470 --> 01:00:27,760 but we are still well within our window 1287 01:00:32,630 --> 01:00:30,480 for today's test still and i am lucky to 1288 01:00:35,030 --> 01:00:32,640 have alex here with me we've heard a lot 1289 01:00:37,349 --> 01:00:35,040 of conversations from the control room 1290 01:00:40,230 --> 01:00:37,359 over the past few minutes i heard hot 1291 01:00:42,390 --> 01:00:40,240 fire a lot i heard water a few times 1292 01:00:44,150 --> 01:00:42,400 you're the expert what were you hearing 1293 01:00:45,589 --> 01:00:44,160 so um the test conductor instructed 1294 01:00:47,510 --> 01:00:45,599 everyone to go back into our terminal 1295 01:00:49,430 --> 01:00:47,520 countdown sequence um and so at this 1296 01:00:51,190 --> 01:00:49,440 point we are about 30 minutes away from 1297 01:00:52,710 --> 01:00:51,200 the hot fire according to the terminal 1298 01:00:53,829 --> 01:00:52,720 countdown sequence 1299 01:00:55,510 --> 01:00:53,839 some of the other things they're kind of 1300 01:00:56,950 --> 01:00:55,520 talking about um 1301 01:00:58,470 --> 01:00:56,960 turning on the water deflectors right 1302 01:01:00,870 --> 01:00:58,480 for the engine test so there are certain 1303 01:01:02,630 --> 01:01:00,880 configurations that we need to put each 1304 01:01:04,470 --> 01:01:02,640 thing on the stand or or thing on the 1305 01:01:06,390 --> 01:01:04,480 ground in a certain configuration for 1306 01:01:07,910 --> 01:01:06,400 that hot fire so um they're you know 1307 01:01:09,510 --> 01:01:07,920 they're supplying certain amount of 1308 01:01:11,190 --> 01:01:09,520 pressure to different components inside 1309 01:01:12,950 --> 01:01:11,200 the engine section and like we said 1310 01:01:14,470 --> 01:01:12,960 turning on those water deflectors 1311 01:01:16,069 --> 01:01:14,480 retracting some of the stands around 1312 01:01:17,670 --> 01:01:16,079 those engines really to prepare the 1313 01:01:19,589 --> 01:01:17,680 stand and the 1314 01:01:21,270 --> 01:01:19,599 core stage for hot fire we heard at 1315 01:01:22,950 --> 01:01:21,280 least two people talking is that right 1316 01:01:24,630 --> 01:01:22,960 what were those people 1317 01:01:26,309 --> 01:01:24,640 what are those positions back there 1318 01:01:28,069 --> 01:01:26,319 right so the test conductor is basically 1319 01:01:29,349 --> 01:01:28,079 relaying information to individuals 1320 01:01:30,549 --> 01:01:29,359 working the console and each of those 1321 01:01:32,390 --> 01:01:30,559 console 1322 01:01:34,069 --> 01:01:32,400 workers are either going through test 1323 01:01:35,190 --> 01:01:34,079 criteria right so we have test commit 1324 01:01:36,710 --> 01:01:35,200 criteria 1325 01:01:37,990 --> 01:01:36,720 for each part of the test you know 1326 01:01:39,270 --> 01:01:38,000 they're looking at different things that 1327 01:01:40,710 --> 01:01:39,280 are happening with the stand they may be 1328 01:01:42,549 --> 01:01:40,720 controlling the water going on to the 1329 01:01:44,470 --> 01:01:42,559 stand so um he is in direct 1330 01:01:46,150 --> 01:01:44,480 communication with each person that is 1331 01:01:47,990 --> 01:01:46,160 working each individual component on the 1332 01:01:49,589 --> 01:01:48,000 stand so you'll hear them giving out a 1333 01:01:51,910 --> 01:01:49,599 lot of commands of things that need to 1334 01:01:53,910 --> 01:01:51,920 go according to our countdown sequence 1335 01:01:55,910 --> 01:01:53,920 and where are they they're even closer 1336 01:01:57,670 --> 01:01:55,920 than we are right and they're in a safe 1337 01:02:00,390 --> 01:01:57,680 place i hope right absolutely they're in 1338 01:02:03,029 --> 01:02:00,400 a test a test control center um closer 1339 01:02:05,430 --> 01:02:03,039 to the stand i mean that stand 1340 01:02:08,230 --> 01:02:05,440 is wired has wires running all the way 1341 01:02:09,349 --> 01:02:08,240 to the test control center um and in the 1342 01:02:10,789 --> 01:02:09,359 test control center they can see 1343 01:02:13,109 --> 01:02:10,799 everything going on they can see all the 1344 01:02:14,230 --> 01:02:13,119 cameras um and they're each sitting at 1345 01:02:16,230 --> 01:02:14,240 console and they'll be able to make 1346 01:02:18,390 --> 01:02:16,240 decisions real time so you know they're 1347 01:02:20,390 --> 01:02:18,400 sitting in a in a building it's fully 1348 01:02:22,309 --> 01:02:20,400 blast proof right has giant blast doors 1349 01:02:23,510 --> 01:02:22,319 closed in there so um you know the 1350 01:02:24,789 --> 01:02:23,520 team's working really hard you know 1351 01:02:26,230 --> 01:02:24,799 there's a lot of people in there looking 1352 01:02:28,230 --> 01:02:26,240 at a lot of stuff 1353 01:02:30,390 --> 01:02:28,240 um so you know they're obviously working 1354 01:02:32,470 --> 01:02:30,400 through it and uh working towards hot 1355 01:02:34,150 --> 01:02:32,480 fire and those two people we heard are 1356 01:02:35,510 --> 01:02:34,160 they sitting close to each other are 1357 01:02:37,109 --> 01:02:35,520 they hearing each other kind of like 1358 01:02:39,349 --> 01:02:37,119 we're hearing them now so the test 1359 01:02:41,109 --> 01:02:39,359 conductor audio um you know he's he's in 1360 01:02:43,589 --> 01:02:41,119 he's in one part inside the test control 1361 01:02:46,069 --> 01:02:43,599 room so you know he's he's talking on a 1362 01:02:47,670 --> 01:02:46,079 in a regular voice kind of like we are 1363 01:02:49,750 --> 01:02:47,680 and then he could be communicating with 1364 01:02:50,789 --> 01:02:49,760 someone on the far end of the room or he 1365 01:02:52,069 --> 01:02:50,799 could be communicating with someone 1366 01:02:53,430 --> 01:02:52,079 sitting right next to him but that's all 1367 01:02:54,309 --> 01:02:53,440 over the audio kind of like we're 1368 01:02:56,870 --> 01:02:54,319 hearing 1369 01:02:59,190 --> 01:02:56,880 so is this considered normal when you 1370 01:03:00,470 --> 01:02:59,200 think about testing a rocket yeah 1371 01:03:01,510 --> 01:03:00,480 absolutely you know that there's a ton 1372 01:03:03,430 --> 01:03:01,520 of people 1373 01:03:04,870 --> 01:03:03,440 who play a part in the actual test of a 1374 01:03:06,710 --> 01:03:04,880 rocket or in the launch of a rocket 1375 01:03:08,069 --> 01:03:06,720 right so you have to have a proper way 1376 01:03:10,549 --> 01:03:08,079 of communicating 1377 01:03:11,910 --> 01:03:10,559 proper one-way or two-way channels so 1378 01:03:13,430 --> 01:03:11,920 that the correct people can be heard at 1379 01:03:14,710 --> 01:03:13,440 the correct time so 1380 01:03:16,950 --> 01:03:14,720 everything that's happening is you know 1381 01:03:19,510 --> 01:03:16,960 is obviously planned as far as you know 1382 01:03:21,270 --> 01:03:19,520 communication and working through issues 1383 01:03:22,950 --> 01:03:21,280 and then now that we're in our 1384 01:03:24,630 --> 01:03:22,960 close to 30 minute terminal countdown 1385 01:03:25,750 --> 01:03:24,640 we'll be hearing a lot more things over 1386 01:03:27,990 --> 01:03:25,760 the radio 1387 01:03:29,670 --> 01:03:28,000 and we heard about this window so 1388 01:03:31,750 --> 01:03:29,680 there's a certain amount of time that 1389 01:03:33,510 --> 01:03:31,760 they have to be able to light these 1390 01:03:35,349 --> 01:03:33,520 engines it's not like a launch window 1391 01:03:36,710 --> 01:03:35,359 where we're trying to reach the moon so 1392 01:03:38,390 --> 01:03:36,720 we have to pay attention to that but 1393 01:03:40,230 --> 01:03:38,400 what does this window mean 1394 01:03:42,069 --> 01:03:40,240 so you know there's there's certain 1395 01:03:43,510 --> 01:03:42,079 operating um 1396 01:03:44,950 --> 01:03:43,520 guidelines that we have for certain 1397 01:03:47,029 --> 01:03:44,960 things in the engine there are certain 1398 01:03:48,390 --> 01:03:47,039 times that we can have avionics 1399 01:03:49,990 --> 01:03:48,400 boxes powered on and there's certain 1400 01:03:51,510 --> 01:03:50,000 times that we're allowed to have the 1401 01:03:52,789 --> 01:03:51,520 batteries running on internal power 1402 01:03:54,470 --> 01:03:52,799 things like that 1403 01:03:55,990 --> 01:03:54,480 obviously while the core stage is 1404 01:03:57,270 --> 01:03:56,000 integrated to the stand we have a little 1405 01:03:59,029 --> 01:03:57,280 more leeway because the stand is 1406 01:04:00,630 --> 01:03:59,039 supplying a lot of that power supplying 1407 01:04:03,270 --> 01:04:00,640 a lot of you know the materials we need 1408 01:04:05,190 --> 01:04:03,280 to continue testing um you know it's 1409 01:04:07,270 --> 01:04:05,200 going to be more of a process for them 1410 01:04:09,109 --> 01:04:07,280 to determine what the next step forward 1411 01:04:10,309 --> 01:04:09,119 is for testing i mean i'm sure it's 1412 01:04:12,150 --> 01:04:10,319 something we'll hear over the test 1413 01:04:14,549 --> 01:04:12,160 conductor audio okay i'm going to be 1414 01:04:16,230 --> 01:04:14,559 coming back to you a lot more again 1415 01:04:18,230 --> 01:04:16,240 we're going to keep you in the hot seat 1416 01:04:21,990 --> 01:04:18,240 here even though it's cold outside we're 1417 01:04:23,829 --> 01:04:22,000 all excited for the the big hot blast um 1418 01:04:26,549 --> 01:04:23,839 coming and i think you said about 30 1419 01:04:28,549 --> 01:04:26,559 minutes is what we're expecting so again 1420 01:04:30,710 --> 01:04:28,559 what we're going to do a reminder this 1421 01:04:32,390 --> 01:04:30,720 is a live test we're still listening in 1422 01:04:34,789 --> 01:04:32,400 for the control room teams as they're 1423 01:04:37,029 --> 01:04:34,799 reviewing this data as we're leading up 1424 01:04:38,630 --> 01:04:37,039 to the test point they're still having a 1425 01:04:41,829 --> 01:04:38,640 conversation right now about the 1426 01:04:43,829 --> 01:04:41,839 appropriate steps to move forward so 1427 01:04:45,829 --> 01:04:43,839 again we're going to join you we're 1428 01:04:47,510 --> 01:04:45,839 going to take a step back and just watch 1429 01:04:49,829 --> 01:04:47,520 we're going to look at the test stand 1430 01:04:51,990 --> 01:04:49,839 and listen in for the control center 1431 01:04:53,670 --> 01:04:52,000 we're going to let alex digest it all 1432 01:07:57,600 --> 01:04:53,680 for us and we'll come back to you in 1433 01:27:18,629 --> 01:08:10,970 [Applause] 1434 01:27:23,430 --> 01:27:21,270 and you are watching nasa's green run 1435 01:27:26,709 --> 01:27:23,440 hot fire test here at stennis space 1436 01:27:29,270 --> 01:27:26,719 center the teams are in a hold but we 1437 01:27:32,229 --> 01:27:29,280 are still well within our window for 1438 01:27:34,709 --> 01:27:32,239 today's test and we did just get an 1439 01:27:37,350 --> 01:27:34,719 update and so we've got our expert here 1440 01:27:39,430 --> 01:27:37,360 alex a core stage engineer alex what did 1441 01:27:40,950 --> 01:27:39,440 we just hear from the control room so 1442 01:27:42,470 --> 01:27:40,960 our test conductor is kind of discussing 1443 01:27:44,470 --> 01:27:42,480 um a path forward obviously with our 1444 01:27:46,550 --> 01:27:44,480 test um right now we're about the t 1445 01:27:48,870 --> 01:27:46,560 minus 10 minute mark so we're in a 1446 01:27:50,149 --> 01:27:48,880 holding pattern for that t minus 10. 1447 01:27:51,990 --> 01:27:50,159 they're going to go around continuing to 1448 01:27:54,070 --> 01:27:52,000 monitor our fuel levels you know our 1449 01:27:55,990 --> 01:27:54,080 propellant how much repellent we have 1450 01:27:58,070 --> 01:27:56,000 not only in the core stage itself but 1451 01:27:59,590 --> 01:27:58,080 also we have on reserve and then over 1452 01:28:01,110 --> 01:27:59,600 the next 10 to 15 minutes they'll kind 1453 01:28:03,669 --> 01:28:01,120 of have a discussion 1454 01:28:05,189 --> 01:28:03,679 about you know our proponent reserves 1455 01:28:06,950 --> 01:28:05,199 the path forward and whether we're going 1456 01:28:09,110 --> 01:28:06,960 to go into that t minus 10 minute 1457 01:28:11,669 --> 01:28:09,120 countdown sequence okay so we heard 1458 01:28:13,910 --> 01:28:11,679 about one hold earlier when we started 1459 01:28:15,750 --> 01:28:13,920 taking our pauses and listening in this 1460 01:28:17,750 --> 01:28:15,760 sounds like we're in a different hold is 1461 01:28:19,669 --> 01:28:17,760 that right right so the t-minus tin hold 1462 01:28:21,669 --> 01:28:19,679 is is really the last major milestone 1463 01:28:24,229 --> 01:28:21,679 before we get into a lot of the major 1464 01:28:26,149 --> 01:28:24,239 operations that we use um to get into 1465 01:28:28,790 --> 01:28:26,159 the actual hot fire so you know starting 1466 01:28:30,790 --> 01:28:28,800 at the t-10 mark we every minute we have 1467 01:28:31,750 --> 01:28:30,800 a lot of very important tasks that we'll 1468 01:28:33,510 --> 01:28:31,760 be doing 1469 01:28:35,189 --> 01:28:33,520 up until hot fire okay so let's walk 1470 01:28:38,470 --> 01:28:35,199 through those what else will we expect 1471 01:28:40,310 --> 01:28:38,480 to hear once we hit t-10 and then what 1472 01:28:42,950 --> 01:28:40,320 are some of the calls we can expect to 1473 01:28:45,030 --> 01:28:42,960 listen in on and expect going forward 1474 01:28:46,310 --> 01:28:45,040 right so once we start t minus 10 count 1475 01:28:48,709 --> 01:28:46,320 um we'll have a lot of software that 1476 01:28:50,390 --> 01:28:48,719 gets initiated to to start the the hot 1477 01:28:52,310 --> 01:28:50,400 fire right on some of that's automated 1478 01:28:53,990 --> 01:28:52,320 some of it's not um you know we'll move 1479 01:28:55,910 --> 01:28:54,000 into activation of some of our major 1480 01:28:57,990 --> 01:28:55,920 propulsion components 1481 01:28:59,430 --> 01:28:58,000 we'll turn on our campus at about the 1482 01:29:00,629 --> 01:28:59,440 four minute mark and those are used to 1483 01:29:02,070 --> 01:29:00,639 kind of steer our engines with our 1484 01:29:04,390 --> 01:29:02,080 hydraulic system 1485 01:29:06,310 --> 01:29:04,400 from there we'll start certain purges 1486 01:29:08,149 --> 01:29:06,320 inside the engine section and then we'll 1487 01:29:10,709 --> 01:29:08,159 move into internal power within the 1488 01:29:12,470 --> 01:29:10,719 rocket so it's fully powering itself 1489 01:29:15,430 --> 01:29:12,480 and then we'll start the engine sequence 1490 01:29:17,669 --> 01:29:15,440 and a reminder this is a live show we 1491 01:29:19,510 --> 01:29:17,679 are listening into the control room it's 1492 01:29:21,110 --> 01:29:19,520 very important that alex doesn't just 1493 01:29:22,790 --> 01:29:21,120 keep talking giving us interesting 1494 01:29:25,669 --> 01:29:22,800 answers the whole time because he needs 1495 01:29:26,870 --> 01:29:25,679 to listen in to be able to digest what 1496 01:29:29,030 --> 01:29:26,880 we're hearing 1497 01:29:31,669 --> 01:29:29,040 so uh he can tell us what's going on and 1498 01:29:33,189 --> 01:29:31,679 we can get more of an update so we're 1499 01:29:35,430 --> 01:29:33,199 going to do that now we're going to take 1500 01:29:37,110 --> 01:29:35,440 another pause we're going to sit back 1501 01:29:39,350 --> 01:29:37,120 with you just like you are at home and 1502 01:29:41,110 --> 01:29:39,360 we're going to watch the test stand 1503 01:29:42,950 --> 01:29:41,120 we're going to have alex listen into the 1504 01:29:46,550 --> 01:29:42,960 control room so we can come back and 1505 01:31:49,570 --> 01:29:46,560 find out when we can watch the sls core 1506 01:44:57,510 --> 01:35:20,560 [Applause] 1507 01:45:00,709 --> 01:44:59,109 and if you've been with us since the top 1508 01:45:03,109 --> 01:45:00,719 of the show you've heard me say this a 1509 01:45:05,109 --> 01:45:03,119 few times but we are so happy you're 1510 01:45:08,470 --> 01:45:05,119 still here with us you are watching 1511 01:45:10,790 --> 01:45:08,480 nasa's green run hot fire test here at 1512 01:45:13,510 --> 01:45:10,800 stennis space center in mississippi the 1513 01:45:15,990 --> 01:45:13,520 teams are still in a hold and we are 1514 01:45:18,310 --> 01:45:16,000 still within today's window for the test 1515 01:45:20,870 --> 01:45:18,320 we do have an update so i'm excited 1516 01:45:23,270 --> 01:45:20,880 again to have alex cagnola here with us 1517 01:45:24,709 --> 01:45:23,280 alex what's happening right now so right 1518 01:45:26,629 --> 01:45:24,719 now our teams are still kind of doing 1519 01:45:28,229 --> 01:45:26,639 some preps before we move into our t 1520 01:45:29,669 --> 01:45:28,239 minus 10 minute account 1521 01:45:31,270 --> 01:45:29,679 there's a lot of just individual preps 1522 01:45:32,709 --> 01:45:31,280 you have to do on the stand um 1523 01:45:34,229 --> 01:45:32,719 individual components you know certain 1524 01:45:35,590 --> 01:45:34,239 configurations we have to put everything 1525 01:45:37,430 --> 01:45:35,600 in before we actually do perform that 1526 01:45:39,350 --> 01:45:37,440 hot fire um you know they're going 1527 01:45:41,270 --> 01:45:39,360 around they're polling uh all of our 1528 01:45:43,590 --> 01:45:41,280 program management and our and our chief 1529 01:45:44,950 --> 01:45:43,600 engineers to see um you know 1530 01:45:46,709 --> 01:45:44,960 you know are we good to go on you know 1531 01:45:47,830 --> 01:45:46,719 or we need to move on um you know we're 1532 01:45:49,430 --> 01:45:47,840 also monitoring other things you know 1533 01:45:51,430 --> 01:45:49,440 we're monitoring how much propellant we 1534 01:45:53,669 --> 01:45:51,440 have in the tanks how much propellant we 1535 01:45:56,149 --> 01:45:53,679 have um on reserve on the barges to to 1536 01:45:57,430 --> 01:45:56,159 use for the hot fire um and then just as 1537 01:45:58,470 --> 01:45:57,440 we work through those issues we'll hear 1538 01:46:00,629 --> 01:45:58,480 more information 1539 01:46:02,870 --> 01:46:00,639 as we get closer so you said monitoring 1540 01:46:05,430 --> 01:46:02,880 how much propellant we have on the tanks 1541 01:46:07,430 --> 01:46:05,440 why is that important at this step right 1542 01:46:08,950 --> 01:46:07,440 so this whole time before we go into hot 1543 01:46:10,709 --> 01:46:08,960 fire we're in a phase called replenish 1544 01:46:13,030 --> 01:46:10,719 phase i know we kind of talked about 1545 01:46:14,870 --> 01:46:13,040 that but you know that fuel is very very 1546 01:46:17,510 --> 01:46:14,880 cold and you know in the outside right 1547 01:46:18,790 --> 01:46:17,520 now it's not as cold right um and so you 1548 01:46:20,390 --> 01:46:18,800 know constantly that fuel is being 1549 01:46:22,310 --> 01:46:20,400 converted into gas and then vented out 1550 01:46:23,590 --> 01:46:22,320 of the tanks and then so the entire time 1551 01:46:25,350 --> 01:46:23,600 we're in a phase 1552 01:46:26,870 --> 01:46:25,360 called replenish where we're constantly 1553 01:46:28,229 --> 01:46:26,880 pumping a little bit of fuel back into 1554 01:46:30,470 --> 01:46:28,239 the tanks to make sure it's at max 1555 01:46:32,229 --> 01:46:30,480 capacity and we've said at the beginning 1556 01:46:34,390 --> 01:46:32,239 of this show that this hot fire test can 1557 01:46:36,629 --> 01:46:34,400 last up to eight minutes what i 1558 01:46:38,229 --> 01:46:36,639 understand is we can learn a lot in just 1559 01:46:39,510 --> 01:46:38,239 the first few minutes is that right 1560 01:46:40,950 --> 01:46:39,520 right you know a lot of the engineering 1561 01:46:43,270 --> 01:46:40,960 data we're looking to get um really 1562 01:46:45,750 --> 01:46:43,280 comes in the first 250 seconds so you 1563 01:46:47,030 --> 01:46:45,760 know whenever we do initiate hot fire 1564 01:46:48,229 --> 01:46:47,040 you know we're going to be gambling our 1565 01:46:49,510 --> 01:46:48,239 engines a little bit right so we'll be 1566 01:46:50,790 --> 01:46:49,520 moving the engines and it's in a certain 1567 01:46:52,870 --> 01:46:50,800 pattern that'll kind of mirror what we 1568 01:46:54,310 --> 01:46:52,880 might expect during launch um we know 1569 01:46:55,910 --> 01:46:54,320 we'll be throttling down the engines for 1570 01:46:57,350 --> 01:46:55,920 a while then we might throttle them back 1571 01:46:58,550 --> 01:46:57,360 up you know there's there's a lot of 1572 01:46:59,830 --> 01:46:58,560 things that we're going to try out and 1573 01:47:02,390 --> 01:46:59,840 most of those things will be in the 1574 01:47:03,910 --> 01:47:02,400 first 250 seconds obviously when we want 1575 01:47:06,070 --> 01:47:03,920 to go for the full eight minutes that we 1576 01:47:07,590 --> 01:47:06,080 will see during launch um but you know i 1577 01:47:09,669 --> 01:47:07,600 think we'll get a lot of really useful 1578 01:47:11,910 --> 01:47:09,679 data in those first few minutes so you 1579 01:47:14,790 --> 01:47:11,920 said gimbling the engines moving them a 1580 01:47:16,149 --> 01:47:14,800 little bit it's not like a nascar turn 1581 01:47:17,910 --> 01:47:16,159 or anything like that we'll be seeing 1582 01:47:19,430 --> 01:47:17,920 the engines right just small movements 1583 01:47:20,870 --> 01:47:19,440 yeah it's very very small movements and 1584 01:47:23,830 --> 01:47:20,880 you might not even notice you know it's 1585 01:47:25,270 --> 01:47:23,840 only a few degrees in each way you know 1586 01:47:27,750 --> 01:47:25,280 and you might see a couple of them move 1587 01:47:29,669 --> 01:47:27,760 the same time or you might not 1588 01:47:30,950 --> 01:47:29,679 but that few degrees can can really 1589 01:47:32,470 --> 01:47:30,960 change your trajectory of your rocket 1590 01:47:35,350 --> 01:47:32,480 when you do launch it so it's important 1591 01:47:36,790 --> 01:47:35,360 to be able to test that here at stennis 1592 01:47:38,070 --> 01:47:36,800 while we're hot firing and not just when 1593 01:47:39,189 --> 01:47:38,080 the engines are just sitting there it's 1594 01:47:40,390 --> 01:47:39,199 a lot different when you have all that 1595 01:47:41,510 --> 01:47:40,400 thrust coming out the bottom of the 1596 01:47:43,669 --> 01:47:41,520 rocket 1597 01:47:45,189 --> 01:47:43,679 than it is just testing it without it so 1598 01:47:47,669 --> 01:47:45,199 i'd love for you to take a second with 1599 01:47:50,149 --> 01:47:47,679 me and just take a look back we can see 1600 01:47:52,310 --> 01:47:50,159 a little bit of white steam smoke coming 1601 01:47:54,229 --> 01:47:52,320 out can you describe that for us 1602 01:47:56,950 --> 01:47:54,239 right so what you're kind of seeing 1603 01:47:58,709 --> 01:47:56,960 right now is the max deflectors um the 1604 01:47:59,910 --> 01:47:58,719 water deflectors on the flame ramp right 1605 01:48:01,910 --> 01:47:59,920 so we kind of talked about how much 1606 01:48:04,470 --> 01:48:01,920 water they're pumping you know 110 000 1607 01:48:06,070 --> 01:48:04,480 gallons every 20 minutes or so 1608 01:48:09,109 --> 01:48:06,080 so it's a lot you know it's a lot of 1609 01:48:11,030 --> 01:48:09,119 water coming out um you know and roughly 1610 01:48:12,790 --> 01:48:11,040 32 000 holes on that flame ramp that are 1611 01:48:14,470 --> 01:48:12,800 all pumping water so 1612 01:48:16,550 --> 01:48:14,480 you know obviously you're going to see a 1613 01:48:17,750 --> 01:48:16,560 lot of mist before the hot fire and 1614 01:48:19,189 --> 01:48:17,760 they'll actually even increase the 1615 01:48:21,109 --> 01:48:19,199 amount of water coming up when we do get 1616 01:48:22,950 --> 01:48:21,119 closer as well and those are called 1617 01:48:25,109 --> 01:48:22,960 flame buckets am i right yeah that's 1618 01:48:26,550 --> 01:48:25,119 right it's a flame bucket um you know 1619 01:48:27,750 --> 01:48:26,560 you might even see some flame coming out 1620 01:48:29,590 --> 01:48:27,760 of there whenever we do light up all 1621 01:48:31,590 --> 01:48:29,600 four engines so it'll be very exciting 1622 01:48:33,990 --> 01:48:31,600 um you know in you know obviously all 1623 01:48:35,830 --> 01:48:34,000 the safety systems are in place to 1624 01:48:38,310 --> 01:48:35,840 take care of that when we do do hot fire 1625 01:48:40,950 --> 01:48:38,320 okay and again we are still in a hold in 1626 01:48:42,790 --> 01:48:40,960 some way this is a planned hold we've 1627 01:48:45,590 --> 01:48:42,800 got different versions of holds 1628 01:48:47,510 --> 01:48:45,600 throughout the test uh and as we get 1629 01:48:48,390 --> 01:48:47,520 more information we're going to come 1630 01:48:50,950 --> 01:48:48,400 back 1631 01:48:52,149 --> 01:48:50,960 we still have alex here with us i'm not 1632 01:48:54,310 --> 01:48:52,159 going to let him leave you're going to 1633 01:48:56,950 --> 01:48:54,320 stay miked into your chair right here 1634 01:48:58,550 --> 01:48:56,960 because we want your expertise on what's 1635 01:49:00,390 --> 01:48:58,560 going on and as soon as we have more 1636 01:49:01,990 --> 01:49:00,400 information from the control room we're 1637 01:49:04,070 --> 01:49:02,000 going to come right back to you for now 1638 01:49:05,990 --> 01:49:04,080 we are going to take a step back and 1639 01:49:07,590 --> 01:49:06,000 look at the test stand just like you are 1640 01:53:20,240 --> 01:49:07,600 at home and we'll be back in a few 1641 01:56:11,270 --> 01:54:05,980 [Applause] 1642 01:56:17,030 --> 01:56:14,229 we've got our most exciting update uh in 1643 01:56:18,790 --> 01:56:17,040 a few minutes we are now inside 1644 01:56:20,870 --> 01:56:18,800 terminal count and again i'm not the 1645 01:56:22,310 --> 01:56:20,880 expert here we've got alex cagnola with 1646 01:56:24,149 --> 01:56:22,320 us who's going to explain what that 1647 01:56:25,669 --> 01:56:24,159 means and how did we get to this point 1648 01:56:27,830 --> 01:56:25,679 right so the test conductor just came on 1649 01:56:29,350 --> 01:56:27,840 the auto and on the audio and alerted us 1650 01:56:31,030 --> 01:56:29,360 that we're about nine minutes away 1651 01:56:32,950 --> 01:56:31,040 actually so um we'll be getting some 1652 01:56:34,790 --> 01:56:32,960 pretty regular updates here um you know 1653 01:56:36,310 --> 01:56:34,800 we will be hearing some activation of 1654 01:56:38,149 --> 01:56:36,320 some different components on the rocket 1655 01:56:39,270 --> 01:56:38,159 before the hot fire i mean obviously 1656 01:56:40,950 --> 01:56:39,280 there's a lot of steps that we'll be 1657 01:56:42,550 --> 01:56:40,960 hearing um going into the actual hot 1658 01:56:44,550 --> 01:56:42,560 fire with things like like we talked 1659 01:56:46,550 --> 01:56:44,560 about cap activation you know move to 1660 01:56:48,550 --> 01:56:46,560 internal power um you know there's any 1661 01:56:49,990 --> 01:56:48,560 kind of audio that might slow down the 1662 01:56:51,750 --> 01:56:50,000 terminal count they'll kind of come on 1663 01:56:53,510 --> 01:56:51,760 the air and tell us that too but right 1664 01:56:55,030 --> 01:56:53,520 now we are in that final sequence that 1665 01:56:56,870 --> 01:56:55,040 last you know eight and a half to eight 1666 01:56:58,470 --> 01:56:56,880 minutes um so we're going to sit back 1667 01:57:00,550 --> 01:56:58,480 and kind of listen for the updates from 1668 01:57:02,790 --> 01:57:00,560 the test conductor and this wasn't one 1669 01:57:04,310 --> 01:57:02,800 person's decision this is a full group 1670 01:57:06,550 --> 01:57:04,320 that has to make the decision that we 1671 01:57:08,470 --> 01:57:06,560 are ready to keep going right every bit 1672 01:57:10,310 --> 01:57:08,480 one second what i do want to remind 1673 01:57:13,990 --> 01:57:10,320 everyone now is that you're actually 1674 01:57:16,149 --> 01:57:14,000 able to hear the control room audio just 1675 01:57:18,629 --> 01:57:16,159 like we are so what we're going to try 1676 01:57:21,350 --> 01:57:18,639 to do is when the test conductor starts 1677 01:57:23,109 --> 01:57:21,360 talking i'm going to rudely cut alex off 1678 01:57:24,629 --> 01:57:23,119 in the middle of what he's talking about 1679 01:57:26,550 --> 01:57:24,639 and try to make sure that we can all 1680 01:57:28,870 --> 01:57:26,560 listen and give him enough time to 1681 01:57:31,589 --> 01:57:28,880 understand that call so uh we just 1682 01:57:33,430 --> 01:57:31,599 missed one again this is a live show but 1683 01:57:35,030 --> 01:57:33,440 i want to get back to how we got to this 1684 01:57:36,950 --> 01:57:35,040 decision and again it's not just one 1685 01:57:39,109 --> 01:57:36,960 person right you know that goes back to 1686 01:57:40,629 --> 01:57:39,119 you know we have a great team working on 1687 01:57:42,149 --> 01:57:40,639 all the engineering issues you know and 1688 01:57:43,750 --> 01:57:42,159 then obviously you know they kind of 1689 01:57:45,430 --> 01:57:43,760 come up with a story about what's going 1690 01:57:47,270 --> 01:57:45,440 on and they present that in the best way 1691 01:57:49,109 --> 01:57:47,280 possible to our program management and 1692 01:57:50,870 --> 01:57:49,119 to you know those who are the big 1693 01:57:52,390 --> 01:57:50,880 decision makers and so every time we 1694 01:57:53,589 --> 01:57:52,400 have a big milestone like this we have 1695 01:57:55,910 --> 01:57:53,599 to pull the whole board you know 1696 01:57:57,270 --> 01:57:55,920 everyone brings up their concerns um or 1697 01:57:59,669 --> 01:57:57,280 if they think you know going forward 1698 01:58:01,270 --> 01:57:59,679 what they think um and then do a go no 1699 01:58:02,629 --> 01:58:01,280 go pull and it sounds like everyone 1700 01:58:04,790 --> 01:58:02,639 wants to go 1701 01:58:06,950 --> 01:58:04,800 so we're moving forward terminal count 1702 01:58:09,430 --> 01:58:06,960 okay and again you can hear some of that 1703 01:58:10,870 --> 01:58:09,440 test conductor audio i'm sure you 1704 01:58:13,109 --> 01:58:10,880 couldn't hear that one because you were 1705 01:58:15,030 --> 01:58:13,119 talking giving us a great explanation 1706 01:58:16,790 --> 01:58:15,040 but now i do want to know so um in 1707 01:58:18,870 --> 01:58:16,800 within these 10 minutes we're now about 1708 01:58:20,550 --> 01:58:18,880 seven minutes i understand what are we 1709 01:58:22,790 --> 01:58:20,560 expecting to hear from the test 1710 01:58:26,149 --> 01:58:22,800 conductor right yo you're here test 1711 01:58:28,390 --> 01:58:26,159 conductor say a few things things like 1712 01:58:30,310 --> 01:58:28,400 initiate purge start and that purge will 1713 01:58:32,310 --> 01:58:30,320 be a nitrogen gas purge inside the 1714 01:58:34,310 --> 01:58:32,320 engine section that's part of just the 1715 01:58:36,790 --> 01:58:34,320 normal sequence of purging the whole 1716 01:58:39,109 --> 01:58:36,800 area around the engines before you 1717 01:58:40,629 --> 01:58:39,119 initiate hot fire um you'll hear move to 1718 01:58:42,470 --> 01:58:40,639 internal power that's a big one we'll 1719 01:58:44,070 --> 01:58:42,480 take all the now all the boxes and all 1720 01:58:46,070 --> 01:58:44,080 the batteries everything on board the 1721 01:58:47,830 --> 01:58:46,080 core stage will be powering itself 1722 01:58:50,070 --> 01:58:47,840 almost like you would have during launch 1723 01:58:52,149 --> 01:58:50,080 um and then you'll move into als start 1724 01:58:53,750 --> 01:58:52,159 which is our pre-ignition engine start 1725 01:58:55,830 --> 01:58:53,760 um and that'll be right before 30 1726 01:58:58,390 --> 01:58:55,840 seconds before t-zero where we'll power 1727 01:59:00,709 --> 01:58:58,400 up the engines okay so we're about six 1728 01:59:02,310 --> 01:59:00,719 minutes on my mark we just heard about 1729 01:59:03,830 --> 01:59:02,320 six minutes was that right that is six 1730 01:59:05,990 --> 01:59:03,840 minutes away so they're gonna start 1731 01:59:07,589 --> 01:59:06,000 really um having a lot more calls on the 1732 01:59:09,350 --> 01:59:07,599 audio we're gonna hear we might even 1733 01:59:11,189 --> 01:59:09,360 hear some things being turned on inside 1734 01:59:12,709 --> 01:59:11,199 inside the core stage so um you know 1735 01:59:14,709 --> 01:59:12,719 obviously we'll start talking less as we 1736 01:59:17,189 --> 01:59:14,719 hear more audio comes through okay sure 1737 01:59:19,589 --> 01:59:17,199 what will those things sound like uh so 1738 01:59:20,870 --> 01:59:19,599 you'll hear tcc you know um you know 1739 01:59:22,390 --> 01:59:20,880 more and more calls they'll be talking 1740 01:59:24,390 --> 01:59:22,400 to more in the control of individuals 1741 01:59:26,070 --> 01:59:24,400 who'll be talking to people 1742 01:59:28,870 --> 01:59:26,080 yeah sir looks like somebody would 1743 01:59:30,950 --> 01:59:28,880 interpret the tcs window yeah nobody 1744 01:59:33,270 --> 01:59:30,960 else should have the tcsq if you have it 1745 01:59:34,310 --> 01:59:33,280 open please close it at this time 1746 01:59:35,510 --> 01:59:34,320 so right they're just working through 1747 01:59:36,550 --> 01:59:35,520 some small things between all the 1748 01:59:37,830 --> 01:59:36,560 monitors you know they're they're 1749 01:59:39,350 --> 01:59:37,840 opening and closing certain things that 1750 01:59:41,109 --> 01:59:39,360 need to be closed inside the rocket you 1751 01:59:42,390 --> 01:59:41,119 know from the stand um you know there's 1752 01:59:43,510 --> 01:59:42,400 going to completely secure the stand 1753 01:59:45,510 --> 01:59:43,520 with everything that needs to be done 1754 01:59:47,350 --> 01:59:45,520 before the hot fire and really it's just 1755 01:59:50,550 --> 01:59:47,360 the final preps before we do 1756 01:59:52,550 --> 01:59:50,560 initiate engine start okay again you are 1757 01:59:54,709 --> 01:59:52,560 all hearing what we're hearing we're 1758 01:59:56,390 --> 01:59:54,719 pausing whenever the test conductor is 1759 01:59:57,830 --> 01:59:56,400 speaking or other people 1760 01:59:59,109 --> 01:59:57,840 in the control center are speaking 1761 02:00:00,870 --> 01:59:59,119 because we're trying to learn what's 1762 02:00:03,189 --> 02:00:00,880 happening to the russians 1763 02:00:05,350 --> 02:00:03,199 it sounds like about five minutes away 1764 02:00:07,030 --> 02:00:05,360 on their mark again remind us who's the 1765 02:00:08,709 --> 02:00:07,040 one in our ear what's that role so 1766 02:00:11,109 --> 02:00:08,719 that's our green run test conductor and 1767 02:00:13,270 --> 02:00:11,119 he's kind of been um the one in control 1768 02:00:14,790 --> 02:00:13,280 of all the green run test cases not just 1769 02:00:16,470 --> 02:00:14,800 this one being at this point so he has a 1770 02:00:18,709 --> 02:00:16,480 great working relationship 1771 02:00:20,550 --> 02:00:18,719 with all those that are on the test team 1772 02:00:22,310 --> 02:00:20,560 and so um 1773 02:00:23,990 --> 02:00:22,320 obviously right now we're in t minus 1774 02:00:26,149 --> 02:00:24,000 five minutes um you know so there'll be 1775 02:00:28,390 --> 02:00:26,159 a lot of activation going up until we do 1776 02:00:30,790 --> 02:00:28,400 hot fire so you know like we said caffu 1777 02:00:32,870 --> 02:00:30,800 spin up um you know move to internal 1778 02:00:34,390 --> 02:00:32,880 power purge sequence and then we'll move 1779 02:00:35,430 --> 02:00:34,400 into independent activation it's all 1780 02:00:38,229 --> 02:00:35,440 going to come forward 1781 02:00:47,910 --> 02:00:38,239 for a second pcc violation we're holding 1782 02:00:52,830 --> 02:00:50,709 copy that we'll wait till we get to the 1783 02:00:54,470 --> 02:00:52,840 hold at t minus 1784 02:00:56,070 --> 02:00:54,480 440. 1785 02:00:57,430 --> 02:00:56,080 we're in the whole time we're in the go 1786 02:00:59,270 --> 02:00:57,440 and if you want to go ahead and use that 1787 02:01:01,030 --> 02:00:59,280 pre-plan bleach 1788 02:01:03,510 --> 02:01:01,040 let's 1789 02:01:08,709 --> 02:01:03,520 go to manual mode and try to dial in 1790 02:01:11,750 --> 02:01:10,149 if this is the right time can you break 1791 02:01:14,070 --> 02:01:11,760 down what we just heard so they're 1792 02:01:16,790 --> 02:01:14,080 moving into some some final sequencing 1793 02:01:19,350 --> 02:01:16,800 um obviously you can see um on the flame 1794 02:01:20,629 --> 02:01:19,360 bucket they've now initiated max water 1795 02:01:27,669 --> 02:01:20,639 flow into the flame buckets you'll be 1796 02:01:31,830 --> 02:01:30,149 two minutes 35 seconds on the on before 1797 02:01:34,149 --> 02:01:31,840 the one minute and 40 hold from what i 1798 02:01:36,790 --> 02:01:34,159 understand um so obviously that one 1799 02:01:38,149 --> 02:01:36,800 minute 40 hold will be the last little 1800 02:01:40,550 --> 02:01:38,159 timer 1801 02:01:42,149 --> 02:01:40,560 um before we do start uh start up the 1802 02:01:43,830 --> 02:01:42,159 engine so it's very exciting 1803 02:01:45,669 --> 02:01:43,840 we're getting excited i can hear 1804 02:01:47,270 --> 02:01:45,679 everyone around us getting excited this 1805 02:01:48,950 --> 02:01:47,280 is great and what we're going to make 1806 02:01:51,430 --> 02:01:48,960 sure we do is we have to make sure we're 1807 02:01:53,830 --> 02:01:51,440 all being safe here reset that whenever 1808 02:01:55,910 --> 02:01:53,840 you get ready we are at the one minute 1809 02:01:57,669 --> 02:01:55,920 and 30 seconds in the whole timer okay 1810 02:01:59,990 --> 02:01:57,679 if you're in the band go ahead and reset 1811 02:02:01,189 --> 02:02:00,000 mps 17 please so we're going to go ahead 1812 02:02:04,390 --> 02:02:01,199 and take a step back we're going to put 1813 02:02:07,669 --> 02:02:04,400 our ear protection on uh so we'll be 1814 02:02:10,149 --> 02:02:07,679 moving into internal power um and again 1815 02:02:12,870 --> 02:02:10,159 putting our ear protection on listening 1816 02:02:16,070 --> 02:02:12,880 in from here on out and observing this 1817 02:02:26,149 --> 02:02:16,080 major milestone on america's return to 1818 02:02:26,159 --> 02:02:31,990 three two one 1819 02:03:01,430 --> 02:02:34,629 we're counting down 1820 02:03:07,430 --> 02:03:03,350 coming up on t minus four minutes on my 1821 02:05:01,589 --> 02:04:02,229 mark 1822 02:05:08,069 --> 02:05:03,189 coming up in team eyes two minutes on my 1823 02:05:08,079 --> 02:05:30,550 mark 1824 02:05:30,560 --> 02:05:38,069 come up on t minus 130 1825 02:05:38,079 --> 02:06:01,750 mark 1826 02:06:07,990 --> 02:06:03,350 coming up in two minus one minute on my 1827 02:06:08,000 --> 02:06:23,109 mark 1828 02:06:29,189 --> 02:06:25,270 if um for all personnel report that 1829 02:06:30,229 --> 02:06:29,199 you're ready to go pea okay 1830 02:06:39,350 --> 02:06:30,239 go aea 1831 02:06:39,360 --> 02:06:56,550 all right we're in als 1832 02:06:56,560 --> 02:07:14,069 foreign 1833 02:07:32,310 --> 02:07:16,790 please continue on to your system and 1834 02:07:32,320 --> 02:07:58,709 all right 25 seconds 1835 02:07:58,719 --> 02:08:12,390 we got four good engines right 1836 02:08:17,270 --> 02:08:14,470 it passes through at 60. let's see plus 1837 02:08:25,910 --> 02:08:20,550 get into our first gimbal profile 1838 02:08:29,669 --> 02:08:28,390 and we got to shut down 1839 02:08:31,990 --> 02:08:29,679 personnel 1840 02:08:33,510 --> 02:08:32,000 uh shutdown looks like uh let's all get 1841 02:08:35,750 --> 02:08:33,520 it to page 1842 02:08:46,110 --> 02:08:35,760 656 page 1843 02:08:46,120 --> 02:08:50,629 [Applause] 1844 02:08:54,149 --> 02:08:52,149 okay offers now it's going to be post 1845 02:08:56,470 --> 02:08:54,159 hoc fights post caught fired or shut 1846 02:08:59,589 --> 02:08:56,480 down securing operations in page 1847 02:09:04,390 --> 02:09:01,430 i need you to verify with the engine 1848 02:09:06,709 --> 02:09:04,400 guys yeah 1849 02:09:10,069 --> 02:09:06,719 that does take us to the last page there 1850 02:09:12,950 --> 02:09:10,079 on page 632. ar1 if you wouldn't step 1851 02:09:14,790 --> 02:09:12,960 4.241 please verify course of engine 1852 02:09:16,830 --> 02:09:14,800 ones and four have shut down for that 1853 02:09:17,270 --> 02:09:16,840 step and we have a safe 1854 02:09:19,189 --> 02:09:17,280 shutdown down standby engines one 1855 02:09:19,199 --> 02:10:04,390 through four 1856 02:10:10,069 --> 02:10:07,910 we just saw the core stage of sls fire 1857 02:10:11,669 --> 02:10:10,079 up of course we also heard some test 1858 02:10:13,350 --> 02:10:11,679 conductor come in so we want to go 1859 02:10:14,629 --> 02:10:13,360 straight to alex alex can you please 1860 02:10:16,310 --> 02:10:14,639 describe to us 1861 02:10:18,550 --> 02:10:16,320 first of all what we saw and then what 1862 02:10:20,390 --> 02:10:18,560 we heard yeah absolutely obviously we 1863 02:10:21,270 --> 02:10:20,400 had a very successful initiation of the 1864 02:10:22,790 --> 02:10:21,280 engines 1865 02:10:24,310 --> 02:10:22,800 you know our the beginning of our thrust 1866 02:10:25,910 --> 02:10:24,320 profile there when we were firing for 1867 02:10:27,270 --> 02:10:25,920 the first minute or so 1868 02:10:29,270 --> 02:10:27,280 you know we obviously are getting some 1869 02:10:31,109 --> 02:10:29,280 really good data coming through um you 1870 02:10:32,790 --> 02:10:31,119 know but like we said earlier this is a 1871 02:10:34,310 --> 02:10:32,800 test you know we have test commit 1872 02:10:35,990 --> 02:10:34,320 criteria and we have certain boundaries 1873 02:10:37,910 --> 02:10:36,000 that we have to keep all the opera all 1874 02:10:39,669 --> 02:10:37,920 the operations under so you know we 1875 02:10:41,350 --> 02:10:39,679 really are trying to make sure that you 1876 02:10:43,189 --> 02:10:41,360 know everything's operating properly and 1877 02:10:44,790 --> 02:10:43,199 safely so you know the test team was 1878 02:10:47,189 --> 02:10:44,800 kind of seeing some data that they might 1879 02:10:48,709 --> 02:10:47,199 not like and so obviously you know our 1880 02:10:51,109 --> 02:10:48,719 engines were shut down ahead of the 1881 02:10:53,189 --> 02:10:51,119 eight minute schedule time frame but we 1882 02:10:55,189 --> 02:10:53,199 do have a lot of good data to go look at 1883 02:10:56,870 --> 02:10:55,199 and hopefully i know we can move on from 1884 02:10:58,550 --> 02:10:56,880 here and maybe get you know see what's 1885 02:11:00,310 --> 02:10:58,560 going to go on further so i was looking 1886 02:11:02,790 --> 02:11:00,320 at your face when that started lighting 1887 02:11:05,430 --> 02:11:02,800 up and that was incredible we saw the 1888 02:11:07,350 --> 02:11:05,440 cloud forming we both saw rainbows just 1889 02:11:09,270 --> 02:11:07,360 forming right over side just how did it 1890 02:11:10,550 --> 02:11:09,280 feel in those first few seconds yeah 1891 02:11:11,990 --> 02:11:10,560 it's amazing you know it never really 1892 02:11:13,669 --> 02:11:12,000 gets old that feeling that you get you 1893 02:11:15,350 --> 02:11:13,679 know in your chest or you know seeing 1894 02:11:17,510 --> 02:11:15,360 you know just how powerful those rockets 1895 02:11:19,350 --> 02:11:17,520 are when they're testing so um obviously 1896 02:11:21,350 --> 02:11:19,360 you know it was an awesome thing to see 1897 02:11:23,189 --> 02:11:21,360 you know and uh you know i can't wait to 1898 02:11:24,790 --> 02:11:23,199 get the core stage to kennedy and get 1899 02:11:25,990 --> 02:11:24,800 ready for launch and you told us you 1900 02:11:28,149 --> 02:11:26,000 know over eight minutes we might have 1901 02:11:31,430 --> 02:11:28,159 had tons and tons terabytes worth of 1902 02:11:32,790 --> 02:11:31,440 data but we already have data just from 1903 02:11:34,629 --> 02:11:32,800 right now what are they going to do with 1904 02:11:35,910 --> 02:11:34,639 that right away right and so just like 1905 02:11:37,270 --> 02:11:35,920 all of our other green run tests you 1906 02:11:39,189 --> 02:11:37,280 know our we have teams that are going to 1907 02:11:40,629 --> 02:11:39,199 go and break down that data 1908 02:11:42,709 --> 02:11:40,639 and and kind of see what we're seeing in 1909 02:11:44,950 --> 02:11:42,719 our profiles right so i mean that all 1910 02:11:46,629 --> 02:11:44,960 goes into the you know the profile that 1911 02:11:48,069 --> 02:11:46,639 we'll use for launch eventually kennedy 1912 02:11:49,270 --> 02:11:48,079 so i mean obviously there's a lot of 1913 02:11:50,950 --> 02:11:49,280 things looking at the data you know we 1914 02:11:52,550 --> 02:11:50,960 kind of talked about you know over the 1915 02:11:55,109 --> 02:11:52,560 span of our green run testing we have 1916 02:11:56,390 --> 02:11:55,119 roughly 800 uh terabytes of data and 1917 02:11:58,470 --> 02:11:56,400 that's a lot of data you know we're 1918 02:12:00,629 --> 02:11:58,480 talking about it's it's hard to grasp 1919 02:12:02,149 --> 02:12:00,639 how much data that is so you know we'll 1920 02:12:03,109 --> 02:12:02,159 obviously take the time to dig through 1921 02:12:04,790 --> 02:12:03,119 everything 1922 02:12:06,390 --> 02:12:04,800 and then obviously have a path forward 1923 02:12:08,390 --> 02:12:06,400 from there and i know it happened really 1924 02:12:10,550 --> 02:12:08,400 fast but can you tell us what the people 1925 02:12:12,629 --> 02:12:10,560 were talking about that we could hear 1926 02:12:14,229 --> 02:12:12,639 from the test conductor in that audio 1927 02:12:15,669 --> 02:12:14,239 right so after we did uh engine 1928 02:12:17,270 --> 02:12:15,679 initiation you know they're kind of 1929 02:12:19,270 --> 02:12:17,280 going through and monitoring everything 1930 02:12:20,550 --> 02:12:19,280 right so obviously once we are actually 1931 02:12:22,390 --> 02:12:20,560 firing the engines we have to look at 1932 02:12:24,069 --> 02:12:22,400 you know all of our 1933 02:12:25,669 --> 02:12:24,079 engine engine readings when it comes to 1934 02:12:27,270 --> 02:12:25,679 temperatures you know how they're 1935 02:12:28,149 --> 02:12:27,280 reacting how they're moving and all that 1936 02:12:29,750 --> 02:12:28,159 stuff 1937 02:12:31,270 --> 02:12:29,760 we were just getting into our gimbal 1938 02:12:32,550 --> 02:12:31,280 profiling test which is you know moving 1939 02:12:34,390 --> 02:12:32,560 the engines around 1940 02:12:36,470 --> 02:12:34,400 right before we terminated the hot fire 1941 02:12:38,629 --> 02:12:36,480 so we're obviously going to have a lot 1942 02:12:41,109 --> 02:12:38,639 of good data to look at great thank you 1943 02:12:43,830 --> 02:12:41,119 alex i'm so glad you're here and so as 1944 02:12:47,270 --> 02:12:43,840 the engineers gather data from today we 1945 02:12:49,830 --> 02:12:47,280 look ahead to the next steps this core 1946 02:12:51,910 --> 02:12:49,840 stage will be lifted out of the b2 test 1947 02:12:54,149 --> 02:12:51,920 stand and refurbished to patch up that 1948 02:12:56,390 --> 02:12:54,159 orange foam insulation 1949 02:12:58,629 --> 02:12:56,400 then the team will load it onto our 1950 02:13:01,350 --> 02:12:58,639 pegasus barge about as long as a 1951 02:13:03,589 --> 02:13:01,360 football field to make a six-day journey 1952 02:13:06,149 --> 02:13:03,599 from the gulf of mexico to our kennedy 1953 02:13:08,470 --> 02:13:06,159 space center on florida's atlantic coast 1954 02:13:10,069 --> 02:13:08,480 there it will be stacked in the iconic 1955 02:13:13,430 --> 02:13:10,079 vehicle assembly building with other 1956 02:13:15,830 --> 02:13:13,440 elements of the sls rocket including the 1957 02:13:18,310 --> 02:13:15,840 twin solid rocket boosters which our 1958 02:13:19,669 --> 02:13:18,320 teams have already begun stacking on the 1959 02:13:22,149 --> 02:13:19,679 mobile launcher 1960 02:13:25,430 --> 02:13:22,159 the core stage will join the boosters 1961 02:13:27,589 --> 02:13:25,440 and then be stacked with the upper stage 1962 02:13:30,709 --> 02:13:27,599 and then the orion spacecraft with the 1963 02:13:33,830 --> 02:13:30,719 launch abort system on top 1964 02:13:37,589 --> 02:13:33,840 all of this work putting us on track to 1965 02:13:40,149 --> 02:13:37,599 roll out to launch pad 39b for a liftoff 1966 02:13:42,470 --> 02:13:40,159 later this year on artemis one 1967 02:13:45,350 --> 02:13:42,480 we are going to pause again and just 1968 02:13:47,589 --> 02:13:45,360 talk about what we just experienced the 1969 02:13:49,189 --> 02:13:47,599 stage was rattling that we're on here we 1970 02:13:51,830 --> 02:13:49,199 saw everybody with their phones out 1971 02:13:53,589 --> 02:13:51,840 who's able to be here today um talk us 1972 02:13:55,750 --> 02:13:53,599 through from right when the engine 1973 02:13:57,270 --> 02:13:55,760 started what did we just see right so 1974 02:13:58,470 --> 02:13:57,280 you kind of those last minute and a half 1975 02:14:00,069 --> 02:13:58,480 right you're kind of hearing the test 1976 02:14:03,030 --> 02:14:00,079 conductor talk about you know move to 1977 02:14:04,709 --> 02:14:03,040 internal power um all go for als startup 1978 02:14:06,149 --> 02:14:04,719 which is engine startup right and then 1979 02:14:07,669 --> 02:14:06,159 at t minus zero you heard the final 1980 02:14:09,030 --> 02:14:07,679 count where they're kind of pulling all 1981 02:14:10,550 --> 02:14:09,040 the people who are really watching the 1982 02:14:11,910 --> 02:14:10,560 critical components of the rock you know 1983 02:14:14,229 --> 02:14:11,920 those critical readings we need right 1984 02:14:15,430 --> 02:14:14,239 before we initiate engine start um so 1985 02:14:17,189 --> 02:14:15,440 after you know everyone kind of gave 1986 02:14:19,589 --> 02:14:17,199 their go we initiate an engine start 1987 02:14:21,109 --> 02:14:19,599 obviously um and that als you kind of 1988 02:14:22,229 --> 02:14:21,119 saw the pre-burners going on that rock 1989 02:14:23,510 --> 02:14:22,239 you kind of see some of the sparks 1990 02:14:25,350 --> 02:14:23,520 flowing right and that's all part of the 1991 02:14:26,470 --> 02:14:25,360 part of the test and then right before 1992 02:14:28,229 --> 02:14:26,480 they start flowing 1993 02:14:30,149 --> 02:14:28,239 um that fuel and that mixture and then 1994 02:14:31,750 --> 02:14:30,159 it ignites and you see it at t minus 1995 02:14:33,910 --> 02:14:31,760 zero so that's kind of what we were 1996 02:14:35,510 --> 02:14:33,920 seeing running up to the test and then 1997 02:14:37,189 --> 02:14:35,520 after that you obviously saw the plume 1998 02:14:38,629 --> 02:14:37,199 and then the rest of the test as well 1999 02:14:41,270 --> 02:14:38,639 and we saw a few different angles we 2000 02:14:42,950 --> 02:14:41,280 were up really close to the engines how 2001 02:14:45,189 --> 02:14:42,960 are we able to see that well obviously 2002 02:14:46,950 --> 02:14:45,199 we have you know the cameras and um all 2003 02:14:48,310 --> 02:14:46,960 of our views on the standard you know 2004 02:14:49,750 --> 02:14:48,320 obviously well engineered cameras you 2005 02:14:50,950 --> 02:14:49,760 know very protective casings and all 2006 02:14:53,350 --> 02:14:50,960 that you know it's all important that we 2007 02:14:55,030 --> 02:14:53,360 not only get the data but all the video 2008 02:14:56,229 --> 02:14:55,040 and the view of what of what exactly is 2009 02:14:57,910 --> 02:14:56,239 going on 2010 02:14:59,669 --> 02:14:57,920 great well thank you again we may still 2011 02:15:02,229 --> 02:14:59,679 come back to you but i want to remind 2012 02:15:05,030 --> 02:15:02,239 everyone it's not just artemis one we've 2013 02:15:07,350 --> 02:15:05,040 got several firsts on the horizon 2014 02:15:10,390 --> 02:15:07,360 this year the first of our commercial 2015 02:15:12,390 --> 02:15:10,400 lunar payload services or clips missions 2016 02:15:15,189 --> 02:15:12,400 begin with two companies delivering 2017 02:15:17,830 --> 02:15:15,199 instruments to the lunar surface 2018 02:15:20,310 --> 02:15:17,840 the golf cart sized viper rover will 2019 02:15:21,189 --> 02:15:20,320 search for water at the moon's south 2020 02:15:23,910 --> 02:15:21,199 pole 2021 02:15:26,470 --> 02:15:23,920 a small cubesat called capstone will 2022 02:15:29,750 --> 02:15:26,480 head to the moon scouting the orbit to 2023 02:15:32,390 --> 02:15:29,760 be used on later human missions 2024 02:15:35,430 --> 02:15:32,400 and artemis one launches on an uncrewed 2025 02:15:37,910 --> 02:15:35,440 flight to test both sls and orion on a 2026 02:15:39,189 --> 02:15:37,920 journey beyond the moon and back to 2027 02:15:41,669 --> 02:15:39,199 earth 2028 02:15:44,229 --> 02:15:41,679 later on we'll be launching the power 2029 02:15:47,030 --> 02:15:44,239 and propulsion element or ppe and the 2030 02:15:49,350 --> 02:15:47,040 habitation and logistics outpost or halo 2031 02:15:52,069 --> 02:15:49,360 to lunar orbit to become the first 2032 02:15:54,550 --> 02:15:52,079 pieces of our lunar gateway which will 2033 02:15:55,669 --> 02:15:54,560 provide the jumping off point for lunar 2034 02:15:59,030 --> 02:15:55,679 missions 2035 02:16:01,430 --> 02:15:59,040 artemis 2 will be a 10-day crude test 2036 02:16:04,310 --> 02:16:01,440 flight where astronauts will set a new 2037 02:16:05,750 --> 02:16:04,320 record for farthest distance traveled 2038 02:16:06,950 --> 02:16:05,760 from earth 2039 02:16:11,030 --> 02:16:06,960 and finally 2040 02:16:13,430 --> 02:16:11,040 artemis iii in 2024 2041 02:16:16,229 --> 02:16:13,440 the hardware for those next two artemis 2042 02:16:19,030 --> 02:16:16,239 missions is coming together right now at 2043 02:16:21,910 --> 02:16:19,040 michoud the boeing team is already 2044 02:16:24,790 --> 02:16:21,920 demonstrating faster manufacturing times 2045 02:16:27,109 --> 02:16:24,800 by implementing all the experiences and 2046 02:16:28,149 --> 02:16:27,119 lessons from the building the first core 2047 02:16:30,310 --> 02:16:28,159 stage 2048 02:16:32,389 --> 02:16:30,320 in utah northrop grumman is already 2049 02:16:35,110 --> 02:16:32,399 building the booster segments for the 2050 02:16:37,910 --> 02:16:35,120 next several missions as well 2051 02:16:40,309 --> 02:16:37,920 we've also got the orion spacecraft for 2052 02:16:42,950 --> 02:16:40,319 artemis ii down at kennedy undergoing 2053 02:16:46,309 --> 02:16:42,960 assembly and the spacecraft for artemis 2054 02:16:48,709 --> 02:16:46,319 iii is also being manufactured right now 2055 02:16:50,309 --> 02:16:48,719 at michoud in our hometown of new 2056 02:16:53,429 --> 02:16:50,319 orleans 2057 02:16:56,469 --> 02:16:53,439 so that wraps it up for us here today 2058 02:16:58,870 --> 02:16:56,479 after a major milestone on america's 2059 02:17:01,669 --> 02:16:58,880 return of astronauts to the lunar 2060 02:17:04,870 --> 02:17:01,679 surface a successful test of the core 2061 02:17:06,870 --> 02:17:04,880 stage of the space launch system rocket 2062 02:17:09,190 --> 02:17:06,880 up next we'll be replaying the test and 2063 02:17:12,389 --> 02:17:09,200 we will have a post-test briefing in 2064 02:17:14,389 --> 02:17:12,399 about two hours on nasa television we 2065 02:17:17,830 --> 02:17:14,399 invite you to follow all of our progress 2066 02:17:20,070 --> 02:17:17,840 online at nasa.gov artemis program or 2067 02:17:23,669 --> 02:17:20,080 join the conversation online with at 2068 02:17:26,150 --> 02:17:23,679 nasa artemis and at nasa underscore sls 2069 02:17:27,990 --> 02:17:26,160 thank you so much alex for being with 2070 02:17:29,750 --> 02:17:28,000 here and being our expert tonight thank 2071 02:17:32,070 --> 02:17:29,760 you to the administrator jim bradenstein 2072 02:17:33,190 --> 02:17:32,080 and astronaut tracy caldwell dyson and 2073 02:17:35,429 --> 02:17:33,200 most of all 2074 02:18:08,950 --> 02:17:35,439 thank you for joining us 2075 02:18:26,230 --> 02:18:10,629 system and 2076 02:18:26,240 --> 02:18:51,030 all right where's 25 seconds 2077 02:19:16,389 --> 02:18:52,950 we're we're still running so we got four 2078 02:19:16,399 --> 02:19:19,990 violations 2079 02:19:23,509 --> 02:19:21,910 we gotta shut down 2080 02:19:25,910 --> 02:19:23,519 y'all personnel 2081 02:19:27,790 --> 02:19:25,920 uh shut down let's let's go let's all go 2082 02:20:11,349 --> 02:19:27,800 to page uh 2083 02:20:16,309 --> 02:20:13,670 working with nasa to send astronauts to 2084 02:20:18,389 --> 02:20:16,319 the moon and onto mars we are making 2085 02:20:20,830 --> 02:20:18,399 huge upgrades to the space shuttle main 2086 02:20:23,590 --> 02:20:20,840 engines that flew on every one of the 2087 02:20:26,710 --> 02:20:23,600 135 space shuttle missions 2088 02:20:29,990 --> 02:20:26,720 this new engine is called the rs25 2089 02:20:31,510 --> 02:20:30,000 nasa has 16 rs-25 engines remaining from 2090 02:20:33,590 --> 02:20:31,520 the shuttle program that have been 2091 02:20:35,910 --> 02:20:33,600 modernized with new controllers and 2092 02:20:37,670 --> 02:20:35,920 other components for the sls 2093 02:20:39,990 --> 02:20:37,680 these new engines will be used for the 2094 02:20:42,950 --> 02:20:40,000 first four flights now the team is