1 00:00:05,190 --> 00:00:02,710 good morning from the johnson space 2 00:00:07,349 --> 00:00:05,200 center here in houston i'm dan hewitt 3 00:00:09,270 --> 00:00:07,359 two expedition 39 astronauts are getting 4 00:00:11,110 --> 00:00:09,280 ready to go outside and do a spacewalk 5 00:00:13,270 --> 00:00:11,120 to replace a failed backup relay 6 00:00:14,789 --> 00:00:13,280 computer here to give us a status update 7 00:00:16,630 --> 00:00:14,799 and walk us through the spacewalk we 8 00:00:18,230 --> 00:00:16,640 have mr mike sufferdini the 9 00:00:19,990 --> 00:00:18,240 international space station program 10 00:00:22,710 --> 00:00:20,000 manager he'll be joining us from the 11 00:00:24,230 --> 00:00:22,720 kennedy space center down in florida 12 00:00:25,830 --> 00:00:24,240 here in the room we have brian smith 13 00:00:28,230 --> 00:00:25,840 international space station flight 14 00:00:30,630 --> 00:00:28,240 director who will be overseeing the eva 15 00:00:33,910 --> 00:00:30,640 as it comes up we also have glenda brown 16 00:00:35,510 --> 00:00:33,920 the lead spacewalk officer for eva 26 17 00:00:36,790 --> 00:00:35,520 start off with opening remarks from each 18 00:00:37,910 --> 00:00:36,800 of them and then we'll open it up for 19 00:00:39,110 --> 00:00:37,920 questions 20 00:00:43,590 --> 00:00:39,120 why don't we start off with mike 21 00:00:47,830 --> 00:00:46,310 well good morning everyone uh this uh 22 00:00:50,549 --> 00:00:47,840 press conference is supposed to be about 23 00:00:52,790 --> 00:00:50,559 the eva but we'll talk about uh what's 24 00:00:55,029 --> 00:00:52,800 uh most immediate in our future and that 25 00:00:56,310 --> 00:00:55,039 is the launch of the uh dragon 26 00:00:59,670 --> 00:00:56,320 spacecraft 27 00:01:01,510 --> 00:00:59,680 out at uh launch pad 40. uh the the uh 28 00:01:04,789 --> 00:01:01,520 falcon rocket itself 29 00:01:06,710 --> 00:01:04,799 uh has been uh repaired since uh the uh 30 00:01:09,270 --> 00:01:06,720 discovery of the uh 31 00:01:10,789 --> 00:01:09,280 orifice issue in um during the last 32 00:01:15,030 --> 00:01:10,799 launch countdown that's all been 33 00:01:17,590 --> 00:01:15,040 repaired we put fresh science on board 34 00:01:20,149 --> 00:01:17,600 buttoned it up and rolled out last night 35 00:01:21,830 --> 00:01:20,159 the vehicle is currently at the pad 36 00:01:25,190 --> 00:01:21,840 and we're counting down to a launch at 3 37 00:01:26,390 --> 00:01:25,200 25 this afternoon local time 38 00:01:28,310 --> 00:01:26,400 of course the big 39 00:01:30,390 --> 00:01:28,320 big question mark is the weather 40 00:01:32,710 --> 00:01:30,400 i think we're still at about uh 41 00:01:34,149 --> 00:01:32,720 predicted to be 60 percent chance of no 42 00:01:37,510 --> 00:01:34,159 go 43 00:01:39,030 --> 00:01:37,520 as a result of weather however 44 00:01:40,390 --> 00:01:39,040 a big part of the challenge is just 45 00:01:42,550 --> 00:01:40,400 getting out there and being ready in 46 00:01:44,149 --> 00:01:42,560 case a hole opens up 47 00:01:46,069 --> 00:01:44,159 and so that's where we're at that gives 48 00:01:48,630 --> 00:01:46,079 us the best chance of success and in 49 00:01:50,230 --> 00:01:48,640 fact once this little frontal boundary 50 00:01:53,030 --> 00:01:50,240 passes over there's a pretty good chance 51 00:01:55,510 --> 00:01:53,040 we'll we'll potentially find a hole in 52 00:01:57,670 --> 00:01:55,520 the weather and and get off the pad 53 00:01:59,830 --> 00:01:57,680 if we don't make today then we'll uh 54 00:02:02,230 --> 00:01:59,840 we'll do a scrub turn around for 24 55 00:02:04,630 --> 00:02:02,240 hours and and try tomorrow 56 00:02:07,270 --> 00:02:04,640 about 23 minutes earlier 57 00:02:09,430 --> 00:02:07,280 that does affect the eva plan if we 58 00:02:11,350 --> 00:02:09,440 launch today the plan is to do the eva 59 00:02:13,510 --> 00:02:11,360 on april 23rd 60 00:02:15,030 --> 00:02:13,520 we'll launch dragon we'll birth dragon 61 00:02:17,589 --> 00:02:15,040 on the 20th 62 00:02:19,190 --> 00:02:17,599 about seven in the morning eastern time 63 00:02:20,790 --> 00:02:19,200 and then we have some research we need 64 00:02:23,110 --> 00:02:20,800 to get started on so we'll open up the 65 00:02:24,869 --> 00:02:23,120 hatch we'll get the research started 66 00:02:27,589 --> 00:02:24,879 and then we'll get things configured for 67 00:02:29,990 --> 00:02:27,599 the eva we also have a progress 53 68 00:02:31,110 --> 00:02:30,000 progress that has to depart as well so 69 00:02:32,470 --> 00:02:31,120 the crew will get up in the morning 70 00:02:34,790 --> 00:02:32,480 we'll get the progress on its way and 71 00:02:36,550 --> 00:02:34,800 then we'll conduct the eva 72 00:02:38,949 --> 00:02:36,560 brian and glinda will talk to you in 73 00:02:41,030 --> 00:02:38,959 detail about the eva but i will talk a 74 00:02:41,910 --> 00:02:41,040 little bit about the uh where we are 75 00:02:44,070 --> 00:02:41,920 from 76 00:02:45,030 --> 00:02:44,080 a risk posture standpoint 77 00:02:45,830 --> 00:02:45,040 um 78 00:02:52,309 --> 00:02:45,840 the 79 00:02:54,790 --> 00:02:52,319 a year or so ago with luca on board 80 00:02:57,110 --> 00:02:54,800 we have been working diligently to 81 00:02:59,350 --> 00:02:57,120 understand the cause of the anomaly and 82 00:03:01,110 --> 00:02:59,360 to recover from that cause 83 00:03:03,830 --> 00:03:01,120 but in the process we have done a 84 00:03:06,390 --> 00:03:03,840 thorough review of all of our processes 85 00:03:08,229 --> 00:03:06,400 and procedures and our hazard reports 86 00:03:10,550 --> 00:03:08,239 and we established a goal for ourselves 87 00:03:13,910 --> 00:03:10,560 to have all of that work done 88 00:03:16,070 --> 00:03:13,920 before we did a planned eba 89 00:03:17,509 --> 00:03:16,080 however the vehicle keeps flying and 90 00:03:19,350 --> 00:03:17,519 keeps operating 91 00:03:21,750 --> 00:03:19,360 and and occasionally we have contingency 92 00:03:23,670 --> 00:03:21,760 evas we've done one of those already as 93 00:03:26,070 --> 00:03:23,680 you know to do a pump module uh 94 00:03:30,149 --> 00:03:26,080 replacement and uh and we're prepared to 95 00:03:32,949 --> 00:03:30,159 do uh this one for this ext 96 00:03:35,350 --> 00:03:32,959 mdm that has failed 97 00:03:37,030 --> 00:03:35,360 from a risk standpoint 98 00:03:39,509 --> 00:03:37,040 we better understand the cause of the 99 00:03:41,990 --> 00:03:39,519 anomaly the anomaly is 100 00:03:44,149 --> 00:03:42,000 is due to contamination that was likely 101 00:03:45,750 --> 00:03:44,159 introduced by a filter that was used to 102 00:03:47,190 --> 00:03:45,760 clean the system 103 00:03:49,750 --> 00:03:47,200 we have since 104 00:03:52,309 --> 00:03:49,760 scrubbed all of the suits water lines 105 00:03:54,390 --> 00:03:52,319 are removed basically we've replaced the 106 00:03:56,149 --> 00:03:54,400 water or flushed the water 107 00:03:58,309 --> 00:03:56,159 three times and all three of the suits 108 00:03:59,509 --> 00:03:58,319 on orbit and the coolant lines in the 109 00:04:03,110 --> 00:03:59,519 station that 110 00:04:05,190 --> 00:04:03,120 provide cooling and water to the suits 111 00:04:06,630 --> 00:04:05,200 in addition to that we've of course 112 00:04:08,470 --> 00:04:06,640 replaced the filters now we have good 113 00:04:10,229 --> 00:04:08,480 filters on board 114 00:04:13,750 --> 00:04:10,239 we have replaced the 115 00:04:16,469 --> 00:04:13,760 fan pump sep that got clogged up in 116 00:04:20,229 --> 00:04:16,479 emu 3011 which we used for a previous 117 00:04:24,390 --> 00:04:20,239 eva the pump module eba and we just did 118 00:04:25,990 --> 00:04:24,400 the fan pump sep r r for suit 3005 and 119 00:04:28,390 --> 00:04:26,000 so the team is going to recommend to the 120 00:04:30,710 --> 00:04:28,400 mission management team here next week 121 00:04:32,469 --> 00:04:30,720 that we utilize those two suits and 122 00:04:34,310 --> 00:04:32,479 they've been prepped and and they're 123 00:04:36,870 --> 00:04:34,320 ready to go and i'm sure brian and 124 00:04:39,350 --> 00:04:36,880 glendale have more to say about that 125 00:04:41,749 --> 00:04:39,360 uh one of the uh the challenges with 126 00:04:43,590 --> 00:04:41,759 these suits is to to understand the 127 00:04:45,749 --> 00:04:43,600 water chemistry and we're learning quite 128 00:04:47,590 --> 00:04:45,759 a bit about water chemistry in the suits 129 00:04:49,350 --> 00:04:47,600 and the sensitivities 130 00:04:51,110 --> 00:04:49,360 and the contaminations that can be 131 00:04:53,350 --> 00:04:51,120 scrubbed out and those that are very 132 00:04:57,830 --> 00:04:53,360 very difficult to scrub out 133 00:05:01,110 --> 00:04:57,840 so in this process we have become quite 134 00:05:03,189 --> 00:05:01,120 i would say more adept at uh figuring 135 00:05:04,629 --> 00:05:03,199 out how to keep the water clean and the 136 00:05:07,189 --> 00:05:04,639 significance of 137 00:05:07,990 --> 00:05:07,199 of certain constituents in the water and 138 00:05:12,550 --> 00:05:08,000 and 139 00:05:15,189 --> 00:05:12,560 so as part of the process that we're 140 00:05:17,430 --> 00:05:15,199 going through to continue to plan dvas 141 00:05:19,110 --> 00:05:17,440 we're updating all of our hazard reports 142 00:05:21,590 --> 00:05:19,120 and of course we need to do our final 143 00:05:24,230 --> 00:05:21,600 failure analysis and and conclusion for 144 00:05:26,870 --> 00:05:24,240 the anomaly uh to make sure that we've 145 00:05:29,510 --> 00:05:26,880 repaired all of the or chased all the 146 00:05:32,469 --> 00:05:29,520 possible fault tree branches 147 00:05:34,870 --> 00:05:32,479 to a complete closure but again 148 00:05:36,390 --> 00:05:34,880 the preliminary information seems to 149 00:05:38,230 --> 00:05:36,400 point to the filters 150 00:05:41,029 --> 00:05:38,240 those of course have been removed and 151 00:05:42,950 --> 00:05:41,039 replaced with uh with good filters and 152 00:05:45,510 --> 00:05:42,960 the water's been flushed 153 00:05:47,749 --> 00:05:45,520 and so we've reduced the risk 154 00:05:49,670 --> 00:05:47,759 back down to an acceptable level 155 00:05:50,950 --> 00:05:49,680 so we have great confidence with the eba 156 00:05:52,950 --> 00:05:50,960 that we have planned it'll be a 157 00:05:55,029 --> 00:05:52,960 relatively short eba 158 00:05:56,309 --> 00:05:55,039 uh rick and uh 159 00:05:57,909 --> 00:05:56,319 um 160 00:05:59,029 --> 00:05:57,919 and swanny will go out and do the eba 161 00:06:01,270 --> 00:05:59,039 excuse me 162 00:06:03,430 --> 00:06:01,280 uh and uh and kuichi will help them get 163 00:06:07,749 --> 00:06:03,440 ready to go out and and 164 00:06:10,070 --> 00:06:07,759 manage the eva from inside the the iss 165 00:06:11,670 --> 00:06:10,080 so with that that's all my opening march 166 00:06:12,710 --> 00:06:11,680 we're ready to go both for the launch 167 00:06:15,670 --> 00:06:12,720 today 168 00:06:17,990 --> 00:06:15,680 and for the eba on whichever day is 169 00:06:18,830 --> 00:06:18,000 it turns out to be required thank you 170 00:06:21,590 --> 00:06:18,840 very 171 00:06:23,590 --> 00:06:21,600 much all right thanks mike brian 172 00:06:25,670 --> 00:06:23,600 all right good morning everybody 173 00:06:27,270 --> 00:06:25,680 let me give a brief overview of what 174 00:06:28,390 --> 00:06:27,280 we're talking about with the computer 175 00:06:30,870 --> 00:06:28,400 failure 176 00:06:34,469 --> 00:06:30,880 we refer to it as the external multiplex 177 00:06:36,309 --> 00:06:34,479 or demultiplexer or ext mdm is as we 178 00:06:38,710 --> 00:06:36,319 refer to it 179 00:06:41,430 --> 00:06:38,720 to put it in context there's 46 180 00:06:42,710 --> 00:06:41,440 computers on just the us portion of the 181 00:06:46,230 --> 00:06:42,720 space station 182 00:06:49,110 --> 00:06:46,240 24 of those are external and of those 24 183 00:06:50,550 --> 00:06:49,120 this extmdm controls 12 of them so it's 184 00:06:52,629 --> 00:06:50,560 it's very important 185 00:06:56,070 --> 00:06:52,639 we have two of them we run one at a time 186 00:06:57,909 --> 00:06:56,080 and we always have one in backup 187 00:06:59,749 --> 00:06:57,919 last friday afternoon 188 00:07:00,830 --> 00:06:59,759 during normal operations we powered on 189 00:07:03,670 --> 00:07:00,840 the backup 190 00:07:06,150 --> 00:07:03,680 extmdm and attempted to the intent was 191 00:07:07,830 --> 00:07:06,160 to load some files to it 192 00:07:09,350 --> 00:07:07,840 we do this periodically based on the 193 00:07:10,629 --> 00:07:09,360 operations that are going on on board 194 00:07:15,749 --> 00:07:10,639 iss 195 00:07:16,870 --> 00:07:15,759 we spent friday afternoon and friday 196 00:07:18,870 --> 00:07:16,880 evening 197 00:07:21,270 --> 00:07:18,880 attempting to get it to power on boot up 198 00:07:23,110 --> 00:07:21,280 correctly and communicate we were 199 00:07:24,309 --> 00:07:23,120 unsuccessful at which point we declared 200 00:07:25,510 --> 00:07:24,319 the mdm 201 00:07:28,710 --> 00:07:25,520 failed 202 00:07:30,629 --> 00:07:28,720 late friday night the iss program 203 00:07:32,950 --> 00:07:30,639 directed the mission operations director 204 00:07:34,309 --> 00:07:32,960 to initiate a team four effort 205 00:07:36,309 --> 00:07:34,319 most of you are probably familiar with 206 00:07:38,070 --> 00:07:36,319 the the terminology team four because we 207 00:07:40,710 --> 00:07:38,080 just did this 208 00:07:43,270 --> 00:07:40,720 back in december 209 00:07:44,790 --> 00:07:43,280 team four efforts are started when 210 00:07:46,710 --> 00:07:44,800 there's a serious problem on space 211 00:07:49,749 --> 00:07:46,720 station that needs to be solved in 212 00:07:52,710 --> 00:07:49,759 relatively short order to 213 00:07:55,510 --> 00:07:52,720 put the iss in a better risk posture 214 00:07:57,430 --> 00:07:55,520 and so the team four will consist of all 215 00:07:59,830 --> 00:07:57,440 engineering operations all support 216 00:08:01,510 --> 00:07:59,840 personnel necessary to solve the problem 217 00:08:04,550 --> 00:08:01,520 the team makeup will vary depending on 218 00:08:06,869 --> 00:08:04,560 what the nature of the problem is 219 00:08:08,869 --> 00:08:06,879 i've been leading this team for effort 220 00:08:10,629 --> 00:08:08,879 since early saturday morning 221 00:08:12,469 --> 00:08:10,639 and the teams have done a fantastic job 222 00:08:14,710 --> 00:08:12,479 trying to figure out how to solve this 223 00:08:17,990 --> 00:08:14,720 extmdm problem 224 00:08:19,350 --> 00:08:18,000 as mike alluded to this isn't a long eva 225 00:08:20,790 --> 00:08:19,360 there's certainly evas that are more 226 00:08:22,950 --> 00:08:20,800 complicated 227 00:08:25,270 --> 00:08:22,960 than this one 228 00:08:27,749 --> 00:08:25,280 however the real trick has been 229 00:08:29,189 --> 00:08:27,759 to figure out how to put this eva in the 230 00:08:32,550 --> 00:08:29,199 same week that we're doing the dragon 231 00:08:33,909 --> 00:08:32,560 mission and we're doing the 53p progress 232 00:08:35,750 --> 00:08:33,919 operations 233 00:08:37,350 --> 00:08:35,760 each one of those individually has its 234 00:08:39,589 --> 00:08:37,360 own constraints its own systems 235 00:08:41,110 --> 00:08:39,599 configurations that we need to to 236 00:08:42,550 --> 00:08:41,120 account for 237 00:08:44,870 --> 00:08:42,560 and we know how to do each one 238 00:08:47,430 --> 00:08:44,880 individually and we usually keep these 239 00:08:49,190 --> 00:08:47,440 events spaced apart 240 00:08:51,269 --> 00:08:49,200 in this scenario though we need to 241 00:08:52,630 --> 00:08:51,279 execute them relatively close to each 242 00:08:54,710 --> 00:08:52,640 other and that was the real challenge 243 00:08:56,310 --> 00:08:54,720 for team four we were tasked to go 244 00:08:58,790 --> 00:08:56,320 figure out 245 00:09:00,070 --> 00:08:58,800 how to replace this ext mdm as quickly 246 00:09:01,829 --> 00:09:00,080 as possible 247 00:09:03,430 --> 00:09:01,839 at the same time trying to fly this 248 00:09:05,990 --> 00:09:03,440 dragon mission in the presence of the 249 00:09:10,070 --> 00:09:06,000 next worst case failure 250 00:09:13,269 --> 00:09:10,080 situation would be loss of the one 251 00:09:15,110 --> 00:09:13,279 remaining extmdm that we have 252 00:09:16,870 --> 00:09:15,120 so i'll briefly describe what would 253 00:09:19,030 --> 00:09:16,880 happen if that were to be lost so you 254 00:09:20,630 --> 00:09:19,040 understand the criticality of going and 255 00:09:22,790 --> 00:09:20,640 replacing it and why we need to do this 256 00:09:25,590 --> 00:09:22,800 spacewalk in short order 257 00:09:27,350 --> 00:09:25,600 so if we were to lose our remaining ext 258 00:09:29,829 --> 00:09:27,360 mdm 259 00:09:32,310 --> 00:09:29,839 we would lose our ability to control our 260 00:09:34,550 --> 00:09:32,320 solar array rotary joints our sarges we 261 00:09:37,030 --> 00:09:34,560 need to control those one for power 262 00:09:38,870 --> 00:09:37,040 generation but also there's a large 263 00:09:41,269 --> 00:09:38,880 number of constraints on these solar 264 00:09:43,110 --> 00:09:41,279 arrays we don't want to have 265 00:09:45,110 --> 00:09:43,120 thrusters plummeting them when vehicles 266 00:09:47,110 --> 00:09:45,120 are coming in we don't want to erode or 267 00:09:49,829 --> 00:09:47,120 contaminate them 268 00:09:51,829 --> 00:09:49,839 and so there's a number of constraints 269 00:09:52,949 --> 00:09:51,839 that need to be satisfied and we always 270 00:09:54,470 --> 00:09:52,959 put these 271 00:09:56,630 --> 00:09:54,480 solar arrays we always command these 272 00:09:59,030 --> 00:09:56,640 sarges into a particular position we 273 00:10:00,790 --> 00:09:59,040 lose that capability and so the impacts 274 00:10:02,630 --> 00:10:00,800 would be to things like soyuz dockings 275 00:10:05,190 --> 00:10:02,640 undockings progress stockings and 276 00:10:06,630 --> 00:10:05,200 undockings dragon missions cygnus 277 00:10:07,670 --> 00:10:06,640 missions 278 00:10:09,670 --> 00:10:07,680 and so 279 00:10:12,470 --> 00:10:09,680 it's imperative that we maintain the the 280 00:10:14,710 --> 00:10:12,480 fault tolerance on these extmdms and 281 00:10:15,990 --> 00:10:14,720 right now we don't have that 282 00:10:16,790 --> 00:10:16,000 some of the other issues we would run 283 00:10:18,870 --> 00:10:16,800 into 284 00:10:20,389 --> 00:10:18,880 is being able to power on redundant 285 00:10:21,990 --> 00:10:20,399 equipment that's on the outside of the 286 00:10:23,829 --> 00:10:22,000 space station 287 00:10:25,590 --> 00:10:23,839 a large number of the commands that are 288 00:10:28,310 --> 00:10:25,600 required to turn on and off our 289 00:10:30,870 --> 00:10:28,320 redundant equipment pass through an ext 290 00:10:32,550 --> 00:10:30,880 mdm and without that we lose our ability 291 00:10:34,389 --> 00:10:32,560 to activate these 292 00:10:36,470 --> 00:10:34,399 the other equipment 293 00:10:39,750 --> 00:10:36,480 we also lose some insight and command 294 00:10:41,110 --> 00:10:39,760 capability into our external control 295 00:10:42,630 --> 00:10:41,120 thermal loops 296 00:10:44,310 --> 00:10:42,640 so these are what we talked about back 297 00:10:45,350 --> 00:10:44,320 in december when we had the loop alpha 298 00:10:47,509 --> 00:10:45,360 problem 299 00:10:50,069 --> 00:10:47,519 the loops will continue to run 300 00:10:51,590 --> 00:10:50,079 without an extmdm and we have all the 301 00:10:53,829 --> 00:10:51,600 failure detection and isolation and 302 00:10:55,990 --> 00:10:53,839 recovery software in place we just lose 303 00:10:58,470 --> 00:10:56,000 our ability to see the telemetry and to 304 00:11:00,630 --> 00:10:58,480 change the configuration 305 00:11:03,030 --> 00:11:00,640 so because of these impacts this 306 00:11:04,949 --> 00:11:03,040 particular failure was put on a list of 307 00:11:08,230 --> 00:11:04,959 critical failures that we would respond 308 00:11:10,470 --> 00:11:08,240 to quickly and we would go do an eva for 309 00:11:12,389 --> 00:11:10,480 and a lot of the work was done up front 310 00:11:14,230 --> 00:11:12,399 for this eva and we were able to 311 00:11:15,750 --> 00:11:14,240 capitalize on that when we started our 312 00:11:16,949 --> 00:11:15,760 team four effort 313 00:11:18,710 --> 00:11:16,959 throughout the week the teams have 314 00:11:21,190 --> 00:11:18,720 worked extremely hard we worked very 315 00:11:23,350 --> 00:11:21,200 long hours and we've come up with plans 316 00:11:25,590 --> 00:11:23,360 that would accommodate not only this eva 317 00:11:26,870 --> 00:11:25,600 but also the dragon mission as well as 318 00:11:29,509 --> 00:11:26,880 the progress 319 00:11:31,590 --> 00:11:29,519 operations and we've come up with two 320 00:11:33,430 --> 00:11:31,600 different plans depending on when when 321 00:11:35,670 --> 00:11:33,440 the spacex launch occurs whether it 322 00:11:39,829 --> 00:11:35,680 occurs today or tomorrow we have those 323 00:11:43,990 --> 00:11:42,470 all right over to you glenda okay to 324 00:11:46,069 --> 00:11:44,000 give you a few more details about the 325 00:11:47,590 --> 00:11:46,079 eva itself uh first of all let's talk 326 00:11:49,110 --> 00:11:47,600 about the crew members 327 00:11:50,629 --> 00:11:49,120 our ev1 328 00:11:55,110 --> 00:11:50,639 is rick 329 00:11:57,990 --> 00:11:55,120 mastracchio and this is his ninth eba 330 00:11:59,829 --> 00:11:58,000 he's already got logged 20 i'm sorry 51 331 00:12:02,949 --> 00:11:59,839 hours and 28 minutes 332 00:12:04,310 --> 00:12:02,959 and uh then eb2 is steve swanson we call 333 00:12:07,910 --> 00:12:04,320 him swanny 334 00:12:10,310 --> 00:12:07,920 this is his fifth eba he's logged 26 335 00:12:14,470 --> 00:12:10,320 hours and 22 minutes on his previous 336 00:12:16,949 --> 00:12:14,480 edas all together we've had 178 337 00:12:18,550 --> 00:12:16,959 spacewalks up until now maintaining and 338 00:12:21,910 --> 00:12:18,560 building the international space station 339 00:12:23,829 --> 00:12:21,920 this will be our 179th 340 00:12:26,069 --> 00:12:23,839 brian mentioned a lot of crew member a 341 00:12:28,069 --> 00:12:26,079 lot of team members working together to 342 00:12:30,150 --> 00:12:28,079 pull together all of the plans uh the 343 00:12:31,670 --> 00:12:30,160 work started several years ago when we 344 00:12:32,790 --> 00:12:31,680 identified that this was a critical 345 00:12:36,389 --> 00:12:32,800 spare 346 00:12:39,030 --> 00:12:36,399 we formed the failure response 347 00:12:40,629 --> 00:12:39,040 action teams or frats and it's a bunch 348 00:12:42,470 --> 00:12:40,639 of engineers that get together they 349 00:12:45,030 --> 00:12:42,480 review all of the documentation and then 350 00:12:47,829 --> 00:12:45,040 they prepare all of the work that would 351 00:12:49,430 --> 00:12:47,839 come prior to in development of this eba 352 00:12:51,030 --> 00:12:49,440 right down to the very last stuff that 353 00:12:53,509 --> 00:12:51,040 we need to do 354 00:12:55,670 --> 00:12:53,519 that is specific to this uh particular 355 00:12:57,350 --> 00:12:55,680 event on this particular day 356 00:12:58,949 --> 00:12:57,360 so most of the work the hard work was 357 00:13:01,190 --> 00:12:58,959 done for us and now it's just packaging 358 00:13:03,269 --> 00:13:01,200 it all together and uh and putting it 359 00:13:06,550 --> 00:13:03,279 together into one eba 360 00:13:08,150 --> 00:13:06,560 uh we'll be assisted uh during the eva 361 00:13:10,870 --> 00:13:08,160 by 362 00:13:13,509 --> 00:13:10,880 ground iv jeremy hansen 363 00:13:15,110 --> 00:13:13,519 i'm supported by a number of people 364 00:13:17,670 --> 00:13:15,120 gathering all of that information from 365 00:13:19,829 --> 00:13:17,680 the host of engineers in my back room 366 00:13:22,389 --> 00:13:19,839 we'll have sandra moore at the task 367 00:13:25,670 --> 00:13:22,399 console we have sandra fletcher at the 368 00:13:28,150 --> 00:13:25,680 emu console reagan chaney is our airlock 369 00:13:29,509 --> 00:13:28,160 support and we have greer wilt helping 370 00:13:31,030 --> 00:13:29,519 all of them out 371 00:13:32,629 --> 00:13:31,040 they'll be gathering all of the inputs 372 00:13:34,150 --> 00:13:32,639 from the team 373 00:13:35,750 --> 00:13:34,160 that need to be 374 00:13:37,750 --> 00:13:35,760 gathered during the eva if there's a 375 00:13:39,829 --> 00:13:37,760 response that the crew needs we've got a 376 00:13:41,829 --> 00:13:39,839 lot of people standing by to provide 377 00:13:44,230 --> 00:13:41,839 that information 378 00:13:46,069 --> 00:13:44,240 so let's go ahead and run the video 379 00:13:51,509 --> 00:13:46,079 so we can see just what we're going to 380 00:13:57,030 --> 00:13:54,069 so our eva to repair the 381 00:13:58,629 --> 00:13:57,040 xmdm or external multiplexer 382 00:14:00,829 --> 00:13:58,639 demultiplexer 383 00:14:03,030 --> 00:14:00,839 will begin as we always do at the quest 384 00:14:04,949 --> 00:14:03,040 airlock as you can see here in the 385 00:14:08,470 --> 00:14:04,959 center of the photo we egress through 386 00:14:11,030 --> 00:14:08,480 the airlock at the nader hatch 387 00:14:13,269 --> 00:14:11,040 eb1 will exit the airlock first that'll 388 00:14:14,389 --> 00:14:13,279 be rick coming out first 389 00:14:16,629 --> 00:14:14,399 and 390 00:14:18,069 --> 00:14:16,639 steve will follow him out 391 00:14:19,269 --> 00:14:18,079 between the two of them they'll manage 392 00:14:21,189 --> 00:14:19,279 the hardware that they're bringing out 393 00:14:23,430 --> 00:14:21,199 we're showing several bags here but what 394 00:14:25,189 --> 00:14:23,440 we've really boiled down to now is just 395 00:14:28,069 --> 00:14:25,199 uh the one 396 00:14:29,430 --> 00:14:28,079 oru bag containing the mdm that will 397 00:14:31,269 --> 00:14:29,440 translate to the work site they're going 398 00:14:34,069 --> 00:14:31,279 to carry all their other tools on their 399 00:14:36,870 --> 00:14:34,079 persons they'll translate up the ceta 400 00:14:38,230 --> 00:14:36,880 spur up to the handrail up to the z 401 00:14:39,590 --> 00:14:38,240 s zero 402 00:14:42,150 --> 00:14:39,600 face one 403 00:14:44,870 --> 00:14:42,160 uh and work along the c to hand rail 404 00:14:47,430 --> 00:14:44,880 face one is where the mobile transporter 405 00:14:49,430 --> 00:14:47,440 that holds the ssrms is normally parked 406 00:14:51,189 --> 00:14:49,440 right over the top of these mdms we've 407 00:14:53,110 --> 00:14:51,199 moved that out of the way and it's at 408 00:14:56,069 --> 00:14:53,120 work site two now 409 00:14:58,870 --> 00:14:56,079 they'll be uh getting into position 410 00:15:00,470 --> 00:14:58,880 stowing the bag that's got the oru in it 411 00:15:02,550 --> 00:15:00,480 stowing any other tools that they bring 412 00:15:04,949 --> 00:15:02,560 with them that they want to have handy 413 00:15:07,269 --> 00:15:04,959 and then rick will get into position uh 414 00:15:09,269 --> 00:15:07,279 in a heads-down position in front of the 415 00:15:11,670 --> 00:15:09,279 mdm there's the mdm right there and 416 00:15:13,750 --> 00:15:11,680 we're gonna rather than not show rather 417 00:15:15,110 --> 00:15:13,760 than show him over the top of the box 418 00:15:18,069 --> 00:15:15,120 we'll leave him out of the way for the 419 00:15:19,350 --> 00:15:18,079 purposes of this video 420 00:15:20,790 --> 00:15:19,360 when they get to the work site they're 421 00:15:23,110 --> 00:15:20,800 going to look around and see if they can 422 00:15:25,750 --> 00:15:23,120 find any damage if it's daylight we'll 423 00:15:27,189 --> 00:15:25,760 take some photos 424 00:15:29,030 --> 00:15:27,199 if it's darkness we'll go ahead and 425 00:15:30,710 --> 00:15:29,040 proceed to get the work done rick will 426 00:15:32,389 --> 00:15:30,720 get into position 427 00:15:34,230 --> 00:15:32,399 and 428 00:15:36,949 --> 00:15:34,240 remove the 429 00:15:39,269 --> 00:15:36,959 handling tool or the scoop we call that 430 00:15:41,430 --> 00:15:39,279 in a scoop because it looks like an ice 431 00:15:43,829 --> 00:15:41,440 an ice cream scoop 432 00:15:46,470 --> 00:15:43,839 he'll remove that and then he will drive 433 00:15:48,949 --> 00:15:46,480 the three bolts that are on the front of 434 00:15:50,550 --> 00:15:48,959 the mdm i've got the mdm here in the 435 00:15:53,030 --> 00:15:50,560 room and i'll show you that when we're 436 00:15:54,629 --> 00:15:53,040 completed with the video 437 00:15:56,629 --> 00:15:54,639 steve will be standing by and helping 438 00:15:59,189 --> 00:15:56,639 him out with access to any of the tools 439 00:16:01,670 --> 00:15:59,199 that he needs uh taking anything away 440 00:16:03,350 --> 00:16:01,680 from him and stowing it uh here we have 441 00:16:05,670 --> 00:16:03,360 him just handling the scoop to give you 442 00:16:08,550 --> 00:16:05,680 an idea of of how he would be moving 443 00:16:11,430 --> 00:16:09,749 so 444 00:16:13,749 --> 00:16:11,440 the scoop gets installed on the front of 445 00:16:15,990 --> 00:16:13,759 the box so we've decided to bring it out 446 00:16:18,069 --> 00:16:16,000 installed on the front of the 447 00:16:20,710 --> 00:16:18,079 the oru bag and we'll install it here 448 00:16:22,949 --> 00:16:20,720 onto the failed unit 449 00:16:24,389 --> 00:16:22,959 we have to drive the bolts first before 450 00:16:26,310 --> 00:16:24,399 we install the scoop and so it'll be 451 00:16:28,870 --> 00:16:26,320 ready to pull right on out as soon as we 452 00:16:31,110 --> 00:16:28,880 uh we drive those bolts 453 00:16:32,949 --> 00:16:31,120 well temp stow it out of the way and we 454 00:16:35,509 --> 00:16:32,959 picked a nice safe spot that we'll most 455 00:16:37,350 --> 00:16:35,519 likely use down inside the truss we'll 456 00:16:39,110 --> 00:16:37,360 tie it off to a hand rail there so it's 457 00:16:42,230 --> 00:16:39,120 out of the way while we do the work with 458 00:16:45,350 --> 00:16:43,749 there'll be an inspection of the cold 459 00:16:46,949 --> 00:16:45,360 plate and the bracket that holds the 460 00:16:49,030 --> 00:16:46,959 blind mate connectors which i'll be 461 00:16:50,470 --> 00:16:49,040 showing you in more detail 462 00:16:51,749 --> 00:16:50,480 afterwards 463 00:16:54,629 --> 00:16:51,759 and 464 00:16:56,389 --> 00:16:54,639 then they'll access the new mdm out of 465 00:16:58,710 --> 00:16:56,399 the oru bag 466 00:17:00,629 --> 00:16:58,720 steve will help out as needed 467 00:17:02,550 --> 00:17:00,639 to hand that off to rick 468 00:17:05,350 --> 00:17:02,560 they'll be inspecting both the 469 00:17:09,990 --> 00:17:05,360 new oru and the cold plate one last time 470 00:17:15,590 --> 00:17:13,110 again it's got three bolts so we'll just 471 00:17:17,829 --> 00:17:15,600 install the center jacking bolt first 472 00:17:19,750 --> 00:17:17,839 and then use the other two tie down 473 00:17:21,510 --> 00:17:19,760 bolts to hold it in place if we should 474 00:17:22,309 --> 00:17:21,520 have any trouble with either the any of 475 00:17:26,870 --> 00:17:22,319 the 476 00:17:28,470 --> 00:17:26,880 in place we'll be uh 477 00:17:29,990 --> 00:17:28,480 we'll be good to go with just the center 478 00:17:34,070 --> 00:17:30,000 jacking bolt that just 479 00:17:35,510 --> 00:17:34,080 provides some extra security to the box 480 00:17:37,909 --> 00:17:35,520 and we take the 481 00:17:39,190 --> 00:17:37,919 scoop off of the new oru 482 00:17:41,350 --> 00:17:39,200 stow it 483 00:17:42,310 --> 00:17:41,360 for return to the airlock 484 00:17:43,110 --> 00:17:42,320 and 485 00:17:45,510 --> 00:17:43,120 then 486 00:17:47,590 --> 00:17:45,520 pack up all of our tools 487 00:17:48,549 --> 00:17:47,600 pack up the oru bag 488 00:17:50,950 --> 00:17:48,559 and 489 00:17:52,549 --> 00:17:50,960 do some final inspections if we haven't 490 00:17:54,310 --> 00:17:52,559 had daylight when we first come out 491 00:17:55,190 --> 00:17:54,320 we'll take the photos at the end of the 492 00:17:56,310 --> 00:17:55,200 work 493 00:17:58,230 --> 00:17:56,320 and 494 00:18:00,549 --> 00:17:58,240 then 495 00:18:02,630 --> 00:18:00,559 pack up everything and come inside 496 00:18:05,590 --> 00:18:02,640 the trans oh i'm sorry we have to pack 497 00:18:07,750 --> 00:18:05,600 up the oru the 498 00:18:09,350 --> 00:18:07,760 failed our u goes back into the oru bag 499 00:18:11,909 --> 00:18:09,360 before we can uh come back to the 500 00:18:14,549 --> 00:18:11,919 airlock with it 501 00:18:16,789 --> 00:18:14,559 so grab the bags and head back 502 00:18:20,150 --> 00:18:16,799 inside we follow the same translation 503 00:18:23,190 --> 00:18:21,750 out to the worksite on to return back 504 00:18:25,350 --> 00:18:23,200 down to the airlock 505 00:18:26,789 --> 00:18:25,360 so you can see it's a pretty simple 506 00:18:28,789 --> 00:18:26,799 eva 507 00:18:30,070 --> 00:18:28,799 in terms of the overall work that we 508 00:18:32,310 --> 00:18:30,080 have to do 509 00:18:34,230 --> 00:18:32,320 it's just coming out to the airlock 510 00:18:35,350 --> 00:18:34,240 driving three bolts to remove the failed 511 00:18:36,150 --> 00:18:35,360 unit 512 00:18:39,270 --> 00:18:36,160 uh 513 00:18:40,830 --> 00:18:39,280 removing it temp stowing it and then 514 00:18:43,190 --> 00:18:40,840 installing the new one very 515 00:18:45,830 --> 00:18:43,200 straightforward at the end of the eva 516 00:18:48,070 --> 00:18:45,840 they'll come back inside and and we'll 517 00:18:50,789 --> 00:18:48,080 be done 518 00:18:53,750 --> 00:18:50,799 so now if we can look at the 519 00:18:55,350 --> 00:18:53,760 at the mdm that i brought with me 520 00:18:57,510 --> 00:18:55,360 so 521 00:18:58,390 --> 00:18:57,520 this is what the size of the box looks 522 00:18:59,350 --> 00:18:58,400 like 523 00:19:02,310 --> 00:18:59,360 um 524 00:19:03,669 --> 00:19:02,320 the one difference is uh this mock-up is 525 00:19:06,390 --> 00:19:03,679 for a new box that we're going to be 526 00:19:08,789 --> 00:19:06,400 installing next summer on an eva and it 527 00:19:11,029 --> 00:19:08,799 will not the box we're working on does 528 00:19:13,190 --> 00:19:11,039 not have this electrical connector that 529 00:19:15,430 --> 00:19:13,200 is an upgrade for the new system that 530 00:19:19,110 --> 00:19:15,440 will be installed uh 531 00:19:20,390 --> 00:19:19,120 next year summer of 2015. 532 00:19:22,150 --> 00:19:20,400 so the 533 00:19:24,630 --> 00:19:22,160 the bolts that i mentioned are right 534 00:19:25,830 --> 00:19:24,640 here at the bottom of the the 535 00:19:27,990 --> 00:19:25,840 oru 536 00:19:29,590 --> 00:19:28,000 it's got the two tie-down bolts here and 537 00:19:31,830 --> 00:19:29,600 then the primary bolt which is in the 538 00:19:34,070 --> 00:19:31,840 middle that's the jacking bolt 539 00:19:36,789 --> 00:19:34,080 so in order to remove it you release the 540 00:19:39,430 --> 00:19:36,799 two outside fasteners first 541 00:19:41,590 --> 00:19:39,440 and then drive the bolt in the primary 542 00:19:43,190 --> 00:19:41,600 bolt and what that does is you drive 543 00:19:43,990 --> 00:19:43,200 that bolt out 544 00:19:55,510 --> 00:19:44,000 it 545 00:19:57,029 --> 00:19:55,520 going to set this here for just a moment 546 00:19:59,270 --> 00:19:57,039 to talk to you about what the work site 547 00:20:01,510 --> 00:19:59,280 looks a little bit like this is a one of 548 00:20:03,430 --> 00:20:01,520 the plastic mock-ups that we have from 549 00:20:05,590 --> 00:20:03,440 the neutral buoyancy laboratory so it's 550 00:20:07,510 --> 00:20:05,600 not exactly flight-like but it does give 551 00:20:08,630 --> 00:20:07,520 you an idea of how the installation 552 00:20:10,630 --> 00:20:08,640 works 553 00:20:12,630 --> 00:20:10,640 so when you look at the installation 554 00:20:15,110 --> 00:20:12,640 bracket the blind mate connectors will 555 00:20:16,950 --> 00:20:15,120 be inside this bracket here and those 556 00:20:20,549 --> 00:20:16,960 will mate with the ones that are on the 557 00:20:22,870 --> 00:20:20,559 back side of the mdm so the mdm has ma 558 00:20:24,390 --> 00:20:22,880 mating connectors electrical and power 559 00:20:26,230 --> 00:20:24,400 and data 560 00:20:27,909 --> 00:20:26,240 to in the back of it 561 00:20:29,750 --> 00:20:27,919 the uh 562 00:20:32,390 --> 00:20:29,760 the 563 00:20:34,470 --> 00:20:32,400 cold plate that it's mounted to 564 00:20:37,029 --> 00:20:34,480 is right down here and then it has these 565 00:20:38,230 --> 00:20:37,039 three wedge locks that are at the back 566 00:20:40,470 --> 00:20:38,240 of it 567 00:20:42,070 --> 00:20:40,480 and the way it works is when you slide 568 00:20:44,149 --> 00:20:42,080 the two together you can see there's 569 00:20:46,870 --> 00:20:44,159 pins that are on the oru that go into 570 00:20:49,350 --> 00:20:46,880 the to the slots right here there's four 571 00:20:52,310 --> 00:20:49,360 pins that'll just slide into those slots 572 00:20:55,029 --> 00:20:52,320 and then as the two come together 573 00:20:56,310 --> 00:20:55,039 the wedges that are on the cold plate 574 00:20:58,789 --> 00:20:56,320 interface 575 00:21:01,909 --> 00:20:58,799 with the wedges that are on 576 00:21:04,230 --> 00:21:01,919 the back of the bottom side of the oru 577 00:21:09,510 --> 00:21:04,240 so this is actually a wedge 578 00:21:14,470 --> 00:21:11,909 the four pins go into the slots you put 579 00:21:16,310 --> 00:21:14,480 the two together and then the wedges 580 00:21:18,710 --> 00:21:16,320 come together in the back as you drive 581 00:21:21,990 --> 00:21:18,720 the bolt when it gets to the wedges the 582 00:21:23,909 --> 00:21:22,000 wedges drive uh next to each other to 583 00:21:26,950 --> 00:21:23,919 put a nice preload onto the bottom of 584 00:21:27,909 --> 00:21:26,960 the box so it's very firmly mated to 585 00:21:37,350 --> 00:21:27,919 the 586 00:21:39,590 --> 00:21:37,360 we need to make sure that it's got good 587 00:21:41,110 --> 00:21:39,600 thermal conductivity with the cold plate 588 00:21:42,789 --> 00:21:41,120 on the box 589 00:21:44,789 --> 00:21:42,799 so that is essentially 590 00:21:46,310 --> 00:21:44,799 the eba and i can answer any of your 591 00:21:48,470 --> 00:21:46,320 questions 592 00:21:50,710 --> 00:21:48,480 all right we'll go ahead and start 593 00:21:52,710 --> 00:21:50,720 with questions a reminder we have mr 594 00:21:54,230 --> 00:21:52,720 stufferdini tied down from kennedy so if 595 00:21:56,230 --> 00:21:54,240 you could please state your affiliation 596 00:21:58,149 --> 00:21:56,240 and who your question is for 597 00:22:00,470 --> 00:21:58,159 be much appreciated we'll start here at 598 00:22:01,990 --> 00:22:00,480 jsc then we'll go down to kennedy and 599 00:22:03,510 --> 00:22:02,000 then we'll take questions from our phone 600 00:22:04,789 --> 00:22:03,520 bridge so 601 00:22:07,029 --> 00:22:04,799 gina 602 00:22:07,909 --> 00:22:07,039 uh yeah how long has that box been up 603 00:22:10,230 --> 00:22:07,919 there 604 00:22:12,630 --> 00:22:10,240 so it came up um 605 00:22:14,710 --> 00:22:12,640 uh with the trust that uh was launched 606 00:22:18,590 --> 00:22:14,720 and i want to say it's a long round the 607 00:22:21,830 --> 00:22:18,600 is it 11 years april 2002 it launched 608 00:22:25,110 --> 00:22:21,840 sts-110 8a 609 00:22:27,830 --> 00:22:25,120 it was launched in place with the trust 610 00:22:30,149 --> 00:22:27,840 and you have how many spares 611 00:22:33,350 --> 00:22:30,159 we have just the one spare that's inside 612 00:22:35,750 --> 00:22:33,360 um but within the box itself there are 613 00:22:37,669 --> 00:22:35,760 cards just like in your computer at home 614 00:22:38,870 --> 00:22:37,679 so if there's a failure of any one of 615 00:22:40,390 --> 00:22:38,880 the cards 616 00:22:42,549 --> 00:22:40,400 we're intending when we bring that 617 00:22:43,990 --> 00:22:42,559 failed unit back inside 618 00:22:44,950 --> 00:22:44,000 that we'll replace the card that's 619 00:22:46,710 --> 00:22:44,960 failed 620 00:22:48,390 --> 00:22:46,720 and then that will be a good spare for 621 00:22:49,830 --> 00:22:48,400 us in the future 622 00:22:52,230 --> 00:22:49,840 okay 623 00:22:58,470 --> 00:22:52,240 mark 624 00:23:02,070 --> 00:22:58,480 this might be for mike safradini 625 00:23:04,630 --> 00:23:02,080 but it might be for brian too 626 00:23:06,830 --> 00:23:04,640 what are the plans for the progress 53 627 00:23:10,310 --> 00:23:06,840 when does it leave and come 628 00:23:11,669 --> 00:23:10,320 back okay so 53 p there's three aspects 629 00:23:13,909 --> 00:23:11,679 to that operation there's going to be a 630 00:23:15,750 --> 00:23:13,919 prop purge on the 19th 631 00:23:17,190 --> 00:23:15,760 on the 23rd it's going to undock and 632 00:23:20,390 --> 00:23:17,200 then it's going to come back and re-dock 633 00:23:24,630 --> 00:23:21,190 and 634 00:23:26,070 --> 00:23:24,640 may i ask a question on the mdm 635 00:23:28,470 --> 00:23:26,080 do you know 636 00:23:32,310 --> 00:23:28,480 why why it failed yet or is that a 637 00:23:34,470 --> 00:23:32,320 follow-up to retrieving the old box 638 00:23:36,710 --> 00:23:34,480 so we don't have the exact calls yet 639 00:23:38,390 --> 00:23:36,720 because the box didn't power on properly 640 00:23:40,710 --> 00:23:38,400 and it isn't communicating with us our 641 00:23:43,430 --> 00:23:40,720 insight into it is extremely limited we 642 00:23:45,430 --> 00:23:43,440 have a power signature to work with but 643 00:23:47,669 --> 00:23:45,440 we can't trust the data because we don't 644 00:23:49,190 --> 00:23:47,679 think the box is communicating to us and 645 00:23:50,870 --> 00:23:49,200 so that's the extent of what we know 646 00:23:53,350 --> 00:23:50,880 right now we've exhausted our 647 00:23:54,870 --> 00:23:53,360 troubleshooting options 648 00:23:56,710 --> 00:23:54,880 we'll see if we're going to troubleshoot 649 00:23:59,190 --> 00:23:56,720 it or not 650 00:24:00,950 --> 00:23:59,200 we've got spare cards and so 651 00:24:02,710 --> 00:24:00,960 you know the quickest posture back to 652 00:24:08,710 --> 00:24:02,720 another spare might just be to change 653 00:24:13,190 --> 00:24:11,110 jim oberger nbc a couple of short ones 654 00:24:14,630 --> 00:24:13,200 on the box what's the approximate mass 655 00:24:16,470 --> 00:24:14,640 of it in terms of handling it's 656 00:24:19,430 --> 00:24:16,480 approximately 50 pounds it's just under 657 00:24:20,870 --> 00:24:19,440 that okay where are they stored inside 658 00:24:22,950 --> 00:24:20,880 the iss 659 00:24:24,950 --> 00:24:22,960 yeah this bear mdm is stored inside the 660 00:24:30,310 --> 00:24:24,960 lab it's been there for the last 13 661 00:24:35,909 --> 00:24:33,430 you were going to talk about uh 662 00:24:38,470 --> 00:24:35,919 eva dates in case of uh no launch 663 00:24:39,909 --> 00:24:38,480 tuesday or tomorrow uh was there some 664 00:24:43,669 --> 00:24:39,919 discussion if we didn't launch there 665 00:24:46,470 --> 00:24:45,190 what dates are you looking at so the 666 00:24:48,710 --> 00:24:46,480 team four 667 00:24:49,830 --> 00:24:48,720 looked at this in in great detail 668 00:24:51,269 --> 00:24:49,840 it was very important for us to 669 00:24:53,110 --> 00:24:51,279 understand all the constraints of each 670 00:24:54,549 --> 00:24:53,120 operation and make sure the iss was put 671 00:24:56,630 --> 00:24:54,559 in the best risk posture in all 672 00:24:59,590 --> 00:24:56,640 scenarios 673 00:25:01,750 --> 00:24:59,600 what it boils down to is if there is a 674 00:25:04,070 --> 00:25:01,760 launch successful launch today the eva 675 00:25:06,549 --> 00:25:04,080 is on the 23rd in all other cases the 676 00:25:09,510 --> 00:25:06,559 eva will be on the 20th 677 00:25:12,310 --> 00:25:09,520 sunday correct okay 678 00:25:14,549 --> 00:25:12,320 so today pushes the 23rd otherwise 679 00:25:18,230 --> 00:25:14,559 no matter what happens it's on the 20th 680 00:25:23,029 --> 00:25:20,149 jim sorry we're going to move on 681 00:25:25,110 --> 00:25:23,039 i'll call i'll come back this time 682 00:25:27,269 --> 00:25:25,120 okay i think that does it for in here 683 00:25:28,950 --> 00:25:27,279 actually we'll come back for follow-ups 684 00:25:30,470 --> 00:25:28,960 at the end why don't we go down to 685 00:25:33,510 --> 00:25:30,480 kennedy now and again please state your 686 00:25:34,950 --> 00:25:33,520 affiliation and who your question is for 687 00:25:36,870 --> 00:25:34,960 your question 688 00:25:38,870 --> 00:25:36,880 um yes marcia done associated press 689 00:25:39,750 --> 00:25:38,880 probably for you mike since you're here 690 00:25:45,110 --> 00:25:39,760 um 691 00:25:47,909 --> 00:25:45,120 on board the dragon to use for the space 692 00:25:50,390 --> 00:25:47,919 walk if you can get it there in time 693 00:25:52,230 --> 00:25:50,400 why not wait for saturday's spacewalk to 694 00:25:54,390 --> 00:25:52,240 get the material and if you don't get 695 00:25:58,310 --> 00:25:54,400 the gasket like material what are you 696 00:26:01,750 --> 00:25:58,320 using between the box and the cold plate 697 00:26:03,269 --> 00:26:01,760 uh so as as uh time has progressed and 698 00:26:05,510 --> 00:26:03,279 we've gotten a little closer the launch 699 00:26:07,430 --> 00:26:05,520 is getting a little closer to the 700 00:26:08,950 --> 00:26:07,440 to the eva in our plan we've actually 701 00:26:11,190 --> 00:26:08,960 decided to go ahead and use the material 702 00:26:13,430 --> 00:26:11,200 we have on orbit the material we have on 703 00:26:14,789 --> 00:26:13,440 orbit is the correct thickness it's not 704 00:26:16,149 --> 00:26:14,799 quite cut 705 00:26:17,350 --> 00:26:16,159 the same 706 00:26:19,990 --> 00:26:17,360 and so 707 00:26:23,190 --> 00:26:20,000 the team has decided we go ahead and we 708 00:26:25,350 --> 00:26:23,200 had determined before we even loaded the 709 00:26:26,870 --> 00:26:25,360 the material on the dragon that we could 710 00:26:29,590 --> 00:26:26,880 live with the one we had on orbit if we 711 00:26:31,909 --> 00:26:29,600 had to so in the interest of time today 712 00:26:33,669 --> 00:26:31,919 actually we're getting the mdm modified 713 00:26:35,029 --> 00:26:33,679 the crews put in the um we had to put in 714 00:26:36,630 --> 00:26:35,039 a new card 715 00:26:38,070 --> 00:26:36,640 and the mdn that's going to go outside 716 00:26:40,149 --> 00:26:38,080 in order to get the right boot up 717 00:26:42,070 --> 00:26:40,159 software in there and so we've just 718 00:26:43,510 --> 00:26:42,080 about done with that 719 00:26:46,149 --> 00:26:43,520 and then we're going to check the check 720 00:26:48,630 --> 00:26:46,159 it out the the box using a piece of 721 00:26:50,230 --> 00:26:48,640 hardware have them or on board and then 722 00:26:52,630 --> 00:26:50,240 we're going to remove the old cold therm 723 00:26:54,310 --> 00:26:52,640 and put this modified coal therm and 724 00:26:56,710 --> 00:26:54,320 that's just a timing thing now when 725 00:26:58,630 --> 00:26:56,720 dragon shows up are we going to be very 726 00:27:01,110 --> 00:26:58,640 occupied with getting the research 727 00:27:02,789 --> 00:27:01,120 started and uh and and that takes about 728 00:27:04,789 --> 00:27:02,799 a day or so and then we're going to go 729 00:27:06,789 --> 00:27:04,799 right into the eba preps and so we 730 00:27:08,070 --> 00:27:06,799 wanted to have the the mdm all ready to 731 00:27:09,830 --> 00:27:08,080 go so we didn't have to do that at the 732 00:27:11,830 --> 00:27:09,840 last minute did you pull it off the 733 00:27:13,190 --> 00:27:11,840 dragon the original repair part are you 734 00:27:19,430 --> 00:27:13,200 just going to let it fly we just let it 735 00:27:19,440 --> 00:27:23,430 okay next question down at kennedy 736 00:27:27,669 --> 00:27:25,110 yeah bill harwood cbs news with a couple 737 00:27:29,190 --> 00:27:27,679 of quick questions um when you said you 738 00:27:31,750 --> 00:27:29,200 replaced your replacement card mic on 739 00:27:33,190 --> 00:27:31,760 the spare mdm i and then i assume you've 740 00:27:34,630 --> 00:27:33,200 tested this this box will have been 741 00:27:35,830 --> 00:27:34,640 tested thoroughly before it goes out the 742 00:27:38,070 --> 00:27:35,840 door just because it's been there so 743 00:27:39,510 --> 00:27:38,080 long right that that was part of the 744 00:27:41,510 --> 00:27:39,520 effort all along was to check out the 745 00:27:43,269 --> 00:27:41,520 box but we realized that it had a set of 746 00:27:45,029 --> 00:27:43,279 boot code software on it that wasn't 747 00:27:46,470 --> 00:27:45,039 going to we were going to be able to 748 00:27:48,630 --> 00:27:46,480 work with with the new version that 749 00:27:50,149 --> 00:27:48,640 we're up to now on iss since has been on 750 00:27:51,750 --> 00:27:50,159 board for so long so the easiest thing 751 00:27:54,149 --> 00:27:51,760 to do was take a card we already had and 752 00:27:55,510 --> 00:27:54,159 just plug it in almost all these mdms 753 00:27:57,350 --> 00:27:55,520 are interchangeable the cards are 754 00:27:58,630 --> 00:27:57,360 interchangeable inside okay and a quick 755 00:28:00,389 --> 00:27:58,640 one for brian you were going through the 756 00:28:03,350 --> 00:28:00,399 list of things that 757 00:28:05,190 --> 00:28:03,360 would happen if the prime if ext1 failed 758 00:28:06,870 --> 00:28:05,200 um i'm give i'm assuming that given all 759 00:28:08,630 --> 00:28:06,880 the procedures you put in place for 760 00:28:10,389 --> 00:28:08,640 fixed solar array angles and things like 761 00:28:11,909 --> 00:28:10,399 that there are no power downs that would 762 00:28:13,590 --> 00:28:11,919 happen if that failed is that right it's 763 00:28:15,190 --> 00:28:13,600 just a matter of you'd lose some 764 00:28:16,870 --> 00:28:15,200 telemetry and insight into the external 765 00:28:18,230 --> 00:28:16,880 thermal control system but you wouldn't 766 00:28:21,510 --> 00:28:18,240 have would you have to power anything 767 00:28:23,110 --> 00:28:21,520 down if the prime went down 768 00:28:25,750 --> 00:28:23,120 that would be assessed on day by day of 769 00:28:27,430 --> 00:28:25,760 course that answer is dependent upon the 770 00:28:30,630 --> 00:28:27,440 beta angle so 771 00:28:32,630 --> 00:28:30,640 if we have no primary ext mdm the solar 772 00:28:34,389 --> 00:28:32,640 arrays will eventually stay in in auto 773 00:28:36,389 --> 00:28:34,399 track the serges specifically would stay 774 00:28:38,310 --> 00:28:36,399 in auto track for 24 hours at the end of 775 00:28:39,669 --> 00:28:38,320 that 24 hours they're going to go to a 776 00:28:41,590 --> 00:28:39,679 preset 777 00:28:43,590 --> 00:28:41,600 angles we call those the null angles we 778 00:28:45,269 --> 00:28:43,600 have control over what those angles are 779 00:28:47,669 --> 00:28:45,279 and we've been very strategic about how 780 00:28:48,630 --> 00:28:47,679 we set those angles for this upcoming 781 00:28:50,389 --> 00:28:48,640 week 782 00:28:52,070 --> 00:28:50,399 once they get into those 783 00:28:54,470 --> 00:28:52,080 null angles 784 00:28:56,710 --> 00:28:54,480 then we just rely on our pgas 785 00:28:59,269 --> 00:28:56,720 the beta gimbal assemblies to rotate and 786 00:29:02,149 --> 00:28:59,279 generate power and so we would have to 787 00:29:03,510 --> 00:29:02,159 assess uh day by day as the beta angle 788 00:29:05,830 --> 00:29:03,520 change and our power generation 789 00:29:08,710 --> 00:29:05,840 capability changed versus what it was we 790 00:29:11,029 --> 00:29:08,720 needed to accomplish on iss and it would 791 00:29:13,430 --> 00:29:11,039 be quite possible power downs would be 792 00:29:18,549 --> 00:29:13,440 required to the extent though it would 793 00:29:22,149 --> 00:29:20,310 and i would also add we're 794 00:29:24,230 --> 00:29:22,159 low beta right now which is good for us 795 00:29:27,110 --> 00:29:24,240 power wise so we're 796 00:29:28,549 --> 00:29:27,120 we're pretty flexible in in terms of of 797 00:29:30,149 --> 00:29:28,559 how we'd manage power if we got into 798 00:29:36,389 --> 00:29:30,159 that position and it's just we're just 799 00:29:41,029 --> 00:29:38,830 okay next one down to kennedy 800 00:29:43,669 --> 00:29:41,039 okay down to kennedy 801 00:29:45,029 --> 00:29:43,679 uh james dean florida today mr stephanie 802 00:29:46,870 --> 00:29:45,039 sorry if i missed this but i'm just 803 00:29:48,950 --> 00:29:46,880 wondering why 804 00:29:50,950 --> 00:29:48,960 you wouldn't uh use this opportunity to 805 00:29:53,110 --> 00:29:50,960 stay out a little longer and and 806 00:29:54,149 --> 00:29:53,120 get a few more things done 807 00:29:56,070 --> 00:29:54,159 during the spacewalk and you're just 808 00:29:57,590 --> 00:29:56,080 limiting it to this one task 809 00:29:59,990 --> 00:29:57,600 right well that that goes back to a 810 00:30:01,590 --> 00:30:00,000 number of things one is uh we're we want 811 00:30:03,430 --> 00:30:01,600 to get this job done as quickly as we 812 00:30:04,710 --> 00:30:03,440 can and so we didn't want to add a whole 813 00:30:06,310 --> 00:30:04,720 bunch of other things for the team to go 814 00:30:08,549 --> 00:30:06,320 sort out 815 00:30:11,590 --> 00:30:08,559 but also we've we've made the commitment 816 00:30:13,269 --> 00:30:11,600 that we're not doing planned dvas and uh 817 00:30:15,909 --> 00:30:13,279 tasks that aren't critical 818 00:30:18,230 --> 00:30:15,919 uh until we get all of our hazards 819 00:30:19,830 --> 00:30:18,240 closed and and get a final closure on 820 00:30:22,310 --> 00:30:19,840 the on the failure 821 00:30:24,630 --> 00:30:22,320 of the suit so a short eva actually from 822 00:30:26,310 --> 00:30:24,640 a wrist posture really really reduces 823 00:30:27,269 --> 00:30:26,320 your risk we're very close to the 824 00:30:29,830 --> 00:30:27,279 airlock 825 00:30:31,669 --> 00:30:29,840 um two hours and 30 minutes i think is 826 00:30:33,830 --> 00:30:31,679 the time for the eva 827 00:30:35,750 --> 00:30:33,840 uh and so that that really minimizes the 828 00:30:38,549 --> 00:30:35,760 risk to the crew now again i'll tell you 829 00:30:40,470 --> 00:30:38,559 i feel pretty strongly that we've sorted 830 00:30:41,909 --> 00:30:40,480 out the root cause and that our suits 831 00:30:43,510 --> 00:30:41,919 are in pretty good shape but we still 832 00:30:46,389 --> 00:30:43,520 have some work to do 833 00:30:48,870 --> 00:30:46,399 to finish uh preparing the suits for for 834 00:30:50,389 --> 00:30:48,880 long-term use for planned evas 835 00:30:52,230 --> 00:30:50,399 and and so 836 00:30:53,029 --> 00:30:52,240 just to keep everything at the right 837 00:30:54,630 --> 00:30:53,039 risk 838 00:30:57,190 --> 00:30:54,640 posture we've chosen just to go do the 839 00:31:00,389 --> 00:30:57,200 job we have to do for this critical 840 00:31:01,190 --> 00:31:00,399 repair and then get the crew back inside 841 00:31:03,110 --> 00:31:01,200 thanks 842 00:31:05,830 --> 00:31:03,120 and just kind of big picture we're 843 00:31:07,990 --> 00:31:05,840 seeing now another contingency eva after 844 00:31:09,029 --> 00:31:08,000 a couple a few months back 845 00:31:11,830 --> 00:31:09,039 and i just wondered if you could kind of 846 00:31:13,590 --> 00:31:11,840 characterize um 847 00:31:15,909 --> 00:31:13,600 does it just sort of look like there's 848 00:31:18,549 --> 00:31:15,919 maybe more things are are breaking and 849 00:31:19,669 --> 00:31:18,559 there's a increase in in uh you know 850 00:31:21,190 --> 00:31:19,679 they need to go out and do these kind of 851 00:31:23,269 --> 00:31:21,200 things or 852 00:31:25,509 --> 00:31:23,279 is this pretty much just in line with 853 00:31:27,669 --> 00:31:25,519 expected failures that you you know the 854 00:31:28,630 --> 00:31:27,679 failures you'd expect and and things are 855 00:31:29,909 --> 00:31:28,640 still 856 00:31:32,149 --> 00:31:29,919 um 857 00:31:33,590 --> 00:31:32,159 lasting as as long as you know you want 858 00:31:35,750 --> 00:31:33,600 them to 859 00:31:39,430 --> 00:31:35,760 you know uh logistically things are 860 00:31:40,389 --> 00:31:39,440 doing very well um we had planned and if 861 00:31:43,350 --> 00:31:40,399 you 862 00:31:45,669 --> 00:31:43,360 uh look at our logistics and and our 863 00:31:47,990 --> 00:31:45,679 supplies on orbit our plan is always 864 00:31:50,470 --> 00:31:48,000 assumed that we have to do something on 865 00:31:53,190 --> 00:31:50,480 the order of six to eight evas a year 866 00:31:54,149 --> 00:31:53,200 uh and so uh we're well below that on 867 00:31:55,590 --> 00:31:54,159 average 868 00:31:57,830 --> 00:31:55,600 uh although we of course these two 869 00:31:59,590 --> 00:31:57,840 contingencies are are and and the other 870 00:32:00,549 --> 00:31:59,600 contingencies have every time we have 871 00:32:01,509 --> 00:32:00,559 them 872 00:32:03,190 --> 00:32:01,519 we go 873 00:32:05,269 --> 00:32:03,200 you know we sort through that and we and 874 00:32:07,350 --> 00:32:05,279 we plug that data back into our 875 00:32:08,389 --> 00:32:07,360 logistics support analysis we do every 876 00:32:10,630 --> 00:32:08,399 year 877 00:32:12,149 --> 00:32:10,640 which essentially up updates the mean 878 00:32:14,389 --> 00:32:12,159 time between failure for all of our 879 00:32:15,909 --> 00:32:14,399 hardware and then we use that data to 880 00:32:18,230 --> 00:32:15,919 determine if we have enough spares on 881 00:32:20,789 --> 00:32:18,240 board but overall i would tell you the 882 00:32:22,310 --> 00:32:20,799 program has been 883 00:32:24,149 --> 00:32:22,320 much more the systems have been much 884 00:32:25,430 --> 00:32:24,159 more reliable than their initial mean 885 00:32:26,710 --> 00:32:25,440 time between failure would have 886 00:32:28,630 --> 00:32:26,720 suggested 887 00:32:29,990 --> 00:32:28,640 and we've from a failure standpoint 888 00:32:31,909 --> 00:32:30,000 we've been 889 00:32:35,430 --> 00:32:31,919 i'd say we're below what we what we 890 00:32:39,430 --> 00:32:37,430 hi uh jared hayworth i'm here with the 891 00:32:41,590 --> 00:32:39,440 nasa social and i'm a photographer with 892 00:32:43,509 --> 00:32:41,600 wehadtoday.com it's a question for you 893 00:32:45,509 --> 00:32:43,519 mike um one of the most highly 894 00:32:47,830 --> 00:32:45,519 publicized payloads on board the dragon 895 00:32:49,350 --> 00:32:47,840 are the legs for robonaut 2. can you 896 00:32:51,590 --> 00:32:49,360 tell us what steps are remaining to 897 00:32:53,509 --> 00:32:51,600 allow robonaut to be you know in place 898 00:32:55,590 --> 00:32:53,519 to go out and perform an eva and do this 899 00:32:57,509 --> 00:32:55,600 repair rather than sending out the human 900 00:32:59,509 --> 00:32:57,519 astronauts 901 00:33:02,470 --> 00:32:59,519 that's an excellent question 902 00:33:04,230 --> 00:33:02,480 it's we have a quite a ways to go 903 00:33:05,990 --> 00:33:04,240 the legs are the first step in figuring 904 00:33:08,070 --> 00:33:06,000 out mobility 905 00:33:11,430 --> 00:33:08,080 and they allow mobility there's quite a 906 00:33:14,310 --> 00:33:11,440 bit of work to be done from a 907 00:33:15,590 --> 00:33:14,320 from a software standpoint to to create 908 00:33:19,350 --> 00:33:15,600 a 909 00:33:21,430 --> 00:33:19,360 freely 910 00:33:23,110 --> 00:33:21,440 anywhere you'd want it to on a station 911 00:33:24,789 --> 00:33:23,120 and then conduct those tasks that's a 912 00:33:26,549 --> 00:33:24,799 that's an enormous 913 00:33:28,870 --> 00:33:26,559 uh software challenge and really that's 914 00:33:30,470 --> 00:33:28,880 what robonaut is it's a it's a great big 915 00:33:33,029 --> 00:33:30,480 software testbed 916 00:33:35,190 --> 00:33:33,039 and uh and so these are great first 917 00:33:37,909 --> 00:33:35,200 steps but 918 00:33:40,149 --> 00:33:37,919 if you look at something like 919 00:33:42,070 --> 00:33:40,159 the dexter that we use on orbit today 920 00:33:43,830 --> 00:33:42,080 dexter when we tell dexter to do 921 00:33:45,830 --> 00:33:43,840 something we have to tell dexter 922 00:33:47,509 --> 00:33:45,840 specifically where to go and we have to 923 00:33:49,590 --> 00:33:47,519 give it basically coordinates and plug 924 00:33:51,029 --> 00:33:49,600 it into a system that the that the 925 00:33:52,789 --> 00:33:51,039 coordinate system that the system 926 00:33:54,870 --> 00:33:52,799 understands so it can go to where you 927 00:33:57,190 --> 00:33:54,880 need it to go and do the job you need to 928 00:33:58,310 --> 00:33:57,200 do it's it's a it's a software intensive 929 00:34:00,549 --> 00:33:58,320 effort 930 00:34:03,350 --> 00:34:00,559 but we have very specific things for it 931 00:34:05,190 --> 00:34:03,360 to grab a hold of and very specific uh 932 00:34:06,710 --> 00:34:05,200 interfaces onboard station that can go 933 00:34:08,550 --> 00:34:06,720 to something like a robonaut 934 00:34:10,629 --> 00:34:08,560 theoretically could 935 00:34:12,149 --> 00:34:10,639 walk down handrails interface with a 936 00:34:13,909 --> 00:34:12,159 number of 937 00:34:15,669 --> 00:34:13,919 sockets or adapters that you have on 938 00:34:18,149 --> 00:34:15,679 orbit and use a number of tools that you 939 00:34:20,470 --> 00:34:18,159 may or that you may have on orbit 940 00:34:24,149 --> 00:34:20,480 and that would add to the complexity of 941 00:34:26,550 --> 00:34:24,159 of the software system to to operate 942 00:34:29,510 --> 00:34:26,560 outdoors but the team is off 943 00:34:30,950 --> 00:34:29,520 developing the mods necessary to make a 944 00:34:33,669 --> 00:34:30,960 robonaut 945 00:34:35,430 --> 00:34:33,679 externally compatible let's call it 946 00:34:36,470 --> 00:34:35,440 i think the battery pack might have to 947 00:34:38,470 --> 00:34:36,480 get a little bit smaller i don't know 948 00:34:40,310 --> 00:34:38,480 but with the battery pack and the legs 949 00:34:41,909 --> 00:34:40,320 and the mods for external then from a 950 00:34:44,069 --> 00:34:41,919 hardware perspective you'd be ready to 951 00:34:46,389 --> 00:34:44,079 go uh but like i said i think the long 952 00:34:48,149 --> 00:34:46,399 pulled antenna software but that's the 953 00:34:50,790 --> 00:34:48,159 main reason why it's up there is to see 954 00:34:53,030 --> 00:34:50,800 can you can you get a robot 955 00:34:54,950 --> 00:34:53,040 ready to go to save the 956 00:34:57,190 --> 00:34:54,960 the risk that you basically assume when 957 00:34:59,030 --> 00:34:57,200 crews go outside they won't ever replace 958 00:35:01,030 --> 00:34:59,040 the crews but they could they could do a 959 00:35:02,710 --> 00:35:01,040 lot of the jobs i think that 960 00:35:05,030 --> 00:35:02,720 uh you would 961 00:35:06,390 --> 00:35:05,040 you would from a just an oru 962 00:35:08,150 --> 00:35:06,400 change out standpoint that's something 963 00:35:10,390 --> 00:35:08,160 you could probably get a robot to do for 964 00:35:14,790 --> 00:35:12,310 ian clought with the nasa social group 965 00:35:17,190 --> 00:35:14,800 and also airlinereporter.com 966 00:35:20,150 --> 00:35:17,200 and uh so question about today's launch 967 00:35:21,670 --> 00:35:20,160 for the uh the spacex crs3 uh looks like 968 00:35:23,750 --> 00:35:21,680 quite a significant front coming in on 969 00:35:25,750 --> 00:35:23,760 the weather radar uh and uh so i 970 00:35:27,270 --> 00:35:25,760 wondered do you have uh 971 00:35:28,630 --> 00:35:27,280 do you know the points in the countdown 972 00:35:30,150 --> 00:35:28,640 preparations that are sensitive to 973 00:35:32,230 --> 00:35:30,160 weather and particularly lightning in 974 00:35:35,510 --> 00:35:32,240 the area 975 00:35:41,030 --> 00:35:37,750 spacex guys that specifically i sat with 976 00:35:44,310 --> 00:35:41,040 them last night and i um 977 00:35:45,829 --> 00:35:44,320 from a from a strike standpoint 978 00:35:47,829 --> 00:35:45,839 they are they're protected with their 979 00:35:49,510 --> 00:35:47,839 catenary system that's around it and it 980 00:35:52,390 --> 00:35:49,520 has to do with the amount of energy that 981 00:35:54,630 --> 00:35:52,400 will find its way back into the vehicle 982 00:35:57,430 --> 00:35:54,640 if a strike occurs 983 00:35:59,750 --> 00:35:57,440 and so if you look at a 30 chance of 984 00:36:02,950 --> 00:35:59,760 lightning the actual chance 985 00:36:04,310 --> 00:36:02,960 uh that they'd have a an impact 986 00:36:05,910 --> 00:36:04,320 an energy 987 00:36:07,670 --> 00:36:05,920 impulse into the vehicle big enough to 988 00:36:09,670 --> 00:36:07,680 cause re-tests based on their 989 00:36:11,030 --> 00:36:09,680 calculations last night 990 00:36:12,870 --> 00:36:11,040 was something on the order of one 991 00:36:15,190 --> 00:36:12,880 percent so it's a it's a pretty low 992 00:36:17,510 --> 00:36:15,200 likelihood that you that if there was 993 00:36:19,349 --> 00:36:17,520 lightning in five miles predicted at 30 994 00:36:21,270 --> 00:36:19,359 percent that you'd actually have a 995 00:36:23,829 --> 00:36:21,280 vehicle problem or at least something 996 00:36:25,589 --> 00:36:23,839 you'd have to go test for 997 00:36:28,069 --> 00:36:25,599 but if they have a constraint or when 998 00:36:29,910 --> 00:36:28,079 they stand down launch operations i 999 00:36:32,630 --> 00:36:29,920 don't know specifically if that exists 1000 00:36:35,109 --> 00:36:32,640 and what that number is 1001 00:36:37,270 --> 00:36:35,119 marcia nap again from you mike is the 1002 00:36:38,710 --> 00:36:37,280 dragon bringing down any 1003 00:36:40,950 --> 00:36:38,720 is it still planning to bring down the 1004 00:36:43,030 --> 00:36:40,960 parmitano suit i can't remember what if 1005 00:36:44,870 --> 00:36:43,040 any of that bad space suit is coming 1006 00:36:46,790 --> 00:36:44,880 back i know it's working 1007 00:36:49,270 --> 00:36:46,800 so 1008 00:36:52,550 --> 00:36:49,280 eba and it's not coming home 3015 comes 1009 00:36:53,829 --> 00:36:52,560 home it had a sublimator failure early 1010 00:36:55,190 --> 00:36:53,839 i don't remember now i think it's a 1011 00:36:56,790 --> 00:36:55,200 couple years ago now we've been waiting 1012 00:36:59,190 --> 00:36:56,800 to get it down but that's the suit we're 1013 00:37:01,990 --> 00:36:59,200 bringing home 3011 we we changed out the 1014 00:37:03,349 --> 00:37:02,000 fan pumps up and all of its filters uh 1015 00:37:05,270 --> 00:37:03,359 and it's one of the suits we're sending 1016 00:37:07,030 --> 00:37:05,280 outside so there's no parts from that 1017 00:37:08,870 --> 00:37:07,040 that incident last summer that you're 1018 00:37:10,150 --> 00:37:08,880 waiting on for the investigation no 1019 00:37:11,670 --> 00:37:10,160 we've gotten those parts are home 1020 00:37:13,030 --> 00:37:11,680 they're home and they're taken apart 1021 00:37:14,470 --> 00:37:13,040 we've looked at and we've also brought 1022 00:37:16,630 --> 00:37:14,480 other suit parts home and looked at them 1023 00:37:19,270 --> 00:37:16,640 so we we have a pretty good 1024 00:37:21,109 --> 00:37:19,280 insight into the to the what what it 1025 00:37:22,390 --> 00:37:21,119 causes the suit to do 1026 00:37:24,310 --> 00:37:22,400 how much longer do you think it's going 1027 00:37:26,069 --> 00:37:24,320 to take for this investigation and when 1028 00:37:27,589 --> 00:37:26,079 is that series of spacewalks planned 1029 00:37:29,510 --> 00:37:27,599 later this year that you had mentioned 1030 00:37:31,910 --> 00:37:29,520 earlier for late summer perhaps yeah we 1031 00:37:33,589 --> 00:37:31,920 have it penciled in for july so that's 1032 00:37:35,510 --> 00:37:33,599 that's we're trying to get all of our 1033 00:37:37,589 --> 00:37:35,520 hazard work done and close the final 1034 00:37:39,829 --> 00:37:37,599 legs of the fall tree 1035 00:37:41,349 --> 00:37:39,839 by july if there's anything hanging out 1036 00:37:42,630 --> 00:37:41,359 that's critical 1037 00:37:45,670 --> 00:37:42,640 from a safety perspective then we'll 1038 00:37:48,870 --> 00:37:47,430 james dean again and 1039 00:37:51,030 --> 00:37:48,880 i'm just wondering it seems like steve 1040 00:37:52,310 --> 00:37:51,040 swanson just just practically got there 1041 00:37:54,150 --> 00:37:52,320 and i was just curious if there was any 1042 00:37:57,670 --> 00:37:54,160 limits on you know how quickly a crew 1043 00:38:00,150 --> 00:37:57,680 member could be approved to to do eva 1044 00:38:01,349 --> 00:38:00,160 um if are there ever any concerns about 1045 00:38:02,790 --> 00:38:01,359 you know just the adjustment to 1046 00:38:05,030 --> 00:38:02,800 microgravity and how ready they'd be 1047 00:38:06,069 --> 00:38:05,040 able to do that or or um 1048 00:38:07,510 --> 00:38:06,079 i don't know it's probably been a month 1049 00:38:09,990 --> 00:38:07,520 or something that by now i mean is that 1050 00:38:12,390 --> 00:38:10,000 was that never an issue for this eva 1051 00:38:13,750 --> 00:38:12,400 it's it's days that we try to make sure 1052 00:38:17,030 --> 00:38:13,760 the crews 1053 00:38:20,069 --> 00:38:17,040 have a little time to acclimate on orbit 1054 00:38:23,990 --> 00:38:20,079 before we actually we try not to um give 1055 00:38:25,510 --> 00:38:24,000 them a full workload for for a few days 1056 00:38:26,950 --> 00:38:25,520 in order for them to acclimate and get 1057 00:38:29,030 --> 00:38:26,960 going and generally speaking they get 1058 00:38:31,190 --> 00:38:29,040 going a lot faster i mean they acclimate 1059 00:38:33,190 --> 00:38:31,200 a lot quicker than we necessarily plan 1060 00:38:34,870 --> 00:38:33,200 for i don't remember if we have a 1061 00:38:36,230 --> 00:38:34,880 specific constraint to go outside but if 1062 00:38:37,910 --> 00:38:36,240 we leave it to the crews they go outside 1063 00:38:40,150 --> 00:38:37,920 when they arrive so 1064 00:38:42,310 --> 00:38:40,160 eva is a pretty big deal so the crews 1065 00:38:43,670 --> 00:38:42,320 are already ready to go if we ask them 1066 00:38:45,670 --> 00:38:43,680 to i don't know if we have a specific 1067 00:38:47,589 --> 00:38:45,680 constraint but we can we can go look at 1068 00:38:48,870 --> 00:38:47,599 that for you 1069 00:38:50,950 --> 00:38:48,880 yeah mike and just as long as you're 1070 00:38:52,150 --> 00:38:50,960 here i'll ask you a russian question how 1071 00:38:53,270 --> 00:38:52,160 are things going with the russians given 1072 00:38:54,710 --> 00:38:53,280 everything that's going on in the world 1073 00:38:56,470 --> 00:38:54,720 have you guys seen any impacts at all 1074 00:38:59,030 --> 00:38:56,480 and how you're dealing with them for iss 1075 00:39:01,910 --> 00:38:59,040 or anything else 1076 00:39:03,670 --> 00:39:01,920 not at all um and that i believe is the 1077 00:39:05,589 --> 00:39:03,680 strength of um 1078 00:39:08,710 --> 00:39:05,599 a partnership and endeavor like this 1079 00:39:10,550 --> 00:39:08,720 that involves human spaceflight is it uh 1080 00:39:13,270 --> 00:39:10,560 it's the stability when everything else 1081 00:39:15,990 --> 00:39:13,280 is getting a little crazy but um 1082 00:39:18,150 --> 00:39:16,000 uh our work with our russian colleagues 1083 00:39:21,910 --> 00:39:18,160 and their work with us has 1084 00:39:23,910 --> 00:39:21,920 never been better and uh and 1085 00:39:26,069 --> 00:39:23,920 and it's clear to me that that's by 1086 00:39:28,310 --> 00:39:26,079 direction of both governments so we're 1087 00:39:30,150 --> 00:39:28,320 you know it's it's it's understood to be 1088 00:39:34,069 --> 00:39:30,160 very important and it hasn't affected us 1089 00:39:36,630 --> 00:39:35,349 all right that'll do it for questions 1090 00:39:38,630 --> 00:39:36,640 from kennedy we'll go ahead and go to 1091 00:39:47,990 --> 00:39:38,640 our phone bridge real quick i'll start 1092 00:39:52,950 --> 00:39:49,589 okay i think we lost charles why don't 1093 00:39:54,550 --> 00:39:52,960 we go to denise ciao from space.com 1094 00:39:56,470 --> 00:39:54,560 hi thanks for taking my question i think 1095 00:39:57,990 --> 00:39:56,480 this is for mike and i i think marcia 1096 00:39:59,589 --> 00:39:58,000 may have touched on it and i apologize 1097 00:40:01,990 --> 00:39:59,599 if i missed it but do you have a 1098 00:40:04,550 --> 00:40:02,000 tentative um timeline of when you might 1099 00:40:07,589 --> 00:40:04,560 get back onto your regularly scheduled 1100 00:40:14,069 --> 00:40:07,599 evas and after eva 26 what's sort of the 1101 00:40:18,870 --> 00:40:16,790 yeah i told marcia it's penciled in for 1102 00:40:20,870 --> 00:40:18,880 the july time frame 1103 00:40:22,230 --> 00:40:20,880 and however if we're not done with all 1104 00:40:23,829 --> 00:40:22,240 of our work then we'll move it to the 1105 00:40:27,030 --> 00:40:23,839 right to make sure we have all of our 1106 00:40:29,030 --> 00:40:27,040 work done before we do planned dvas 1107 00:40:30,630 --> 00:40:29,040 and i feel pretty confident we'll get 1108 00:40:33,190 --> 00:40:30,640 all of our work done but it's a it's a 1109 00:40:36,550 --> 00:40:33,200 pretty tight schedule 1110 00:40:38,150 --> 00:40:36,560 in terms of work after eva 26 you mean 1111 00:40:41,910 --> 00:40:38,160 the work we need to do to be able to go 1112 00:40:45,750 --> 00:40:43,829 what's sort of the main priority outside 1113 00:40:48,710 --> 00:40:45,760 that you would need to address after eva 1114 00:40:51,430 --> 00:40:49,990 oh i see 1115 00:40:54,150 --> 00:40:51,440 well we have a number of things we have 1116 00:40:56,309 --> 00:40:54,160 to go do we have some cameras we need to 1117 00:40:59,349 --> 00:40:56,319 uh rearrange to get good views for the 1118 00:41:00,630 --> 00:40:59,359 ssrms we have reconfiguration work this 1119 00:41:02,470 --> 00:41:00,640 is probably the biggest thing that's 1120 00:41:03,510 --> 00:41:02,480 coming up we have reconfiguration work 1121 00:41:05,190 --> 00:41:03,520 to do 1122 00:41:08,790 --> 00:41:05,200 because eventually we're going to move 1123 00:41:11,030 --> 00:41:08,800 the pmm which is the pressurized 1124 00:41:12,470 --> 00:41:11,040 multi-purpose module 1125 00:41:14,790 --> 00:41:12,480 the big storage module that's on the 1126 00:41:18,950 --> 00:41:14,800 nader port of node 1. we're going to 1127 00:41:21,910 --> 00:41:18,960 move to the forward port of node 3 1128 00:41:24,630 --> 00:41:21,920 and then make that the nader port of 1129 00:41:25,510 --> 00:41:24,640 node one a backup berthing 1130 00:41:27,030 --> 00:41:25,520 port 1131 00:41:30,390 --> 00:41:27,040 um and then we're putting the two 1132 00:41:32,950 --> 00:41:30,400 docking ports on iss one node two 1133 00:41:34,710 --> 00:41:32,960 forward and no two zenith so there's 1134 00:41:37,349 --> 00:41:34,720 quite a bit of work we have to do to get 1135 00:41:39,910 --> 00:41:37,359 the iss configured 1136 00:41:42,630 --> 00:41:39,920 to to first move 1137 00:41:44,710 --> 00:41:42,640 the pmm which we need to do before we 1138 00:41:46,950 --> 00:41:44,720 uh bring up the 1139 00:41:48,790 --> 00:41:46,960 we call them the ida's these are the 1140 00:41:50,150 --> 00:41:48,800 docking adapters we call them the iss 1141 00:41:51,589 --> 00:41:50,160 docking adapters 1142 00:41:53,109 --> 00:41:51,599 so before we can bring the docking 1143 00:41:55,109 --> 00:41:53,119 systems on board we've got to move the 1144 00:41:56,630 --> 00:41:55,119 pmm our commitment is to have the 1145 00:41:59,190 --> 00:41:56,640 docking system 1146 00:42:00,790 --> 00:41:59,200 on board and installed in 2015 1147 00:42:02,390 --> 00:42:00,800 so if you back up and look at all the 1148 00:42:04,390 --> 00:42:02,400 things we have to do to get the iss 1149 00:42:05,990 --> 00:42:04,400 configured to do that 1150 00:42:07,430 --> 00:42:06,000 we've got to get on with these evas 1151 00:42:08,870 --> 00:42:07,440 there's a number of other 1152 00:42:11,430 --> 00:42:08,880 repairs and things we want to do we're 1153 00:42:13,190 --> 00:42:11,440 outside but the the biggest line of 1154 00:42:15,030 --> 00:42:13,200 things we need to get done 1155 00:42:19,430 --> 00:42:15,040 is all the reconfiguration work we need 1156 00:42:24,470 --> 00:42:21,430 okay next we have elizabeth with 1157 00:42:27,829 --> 00:42:26,230 can you give us a sense of what sort of 1158 00:42:29,670 --> 00:42:27,839 uh this is for mike can you give us a 1159 00:42:31,349 --> 00:42:29,680 sense of what sort of changes have to 1160 00:42:33,270 --> 00:42:31,359 take place in order to make sure that 1161 00:42:34,230 --> 00:42:33,280 you could do the eva in between the 1162 00:42:41,750 --> 00:42:34,240 progress 1163 00:42:46,069 --> 00:42:44,710 what kind of changes need to take place 1164 00:42:48,230 --> 00:42:46,079 saying that one of the challenges of 1165 00:42:49,990 --> 00:42:48,240 planning the space block was trying to 1166 00:42:52,230 --> 00:42:50,000 um getting the 1167 00:42:53,990 --> 00:42:52,240 getting the task together in between all 1168 00:42:55,430 --> 00:42:54,000 the other tasks the crew had to do to 1169 00:42:58,390 --> 00:42:55,440 get ready for the drag and also for the 1170 00:43:00,150 --> 00:42:58,400 progress 1171 00:43:02,150 --> 00:43:00,160 okay i got you well you know brian could 1172 00:43:04,230 --> 00:43:02,160 give you this in song and verse he he 1173 00:43:05,270 --> 00:43:04,240 was the one that was uh given this task 1174 00:43:07,750 --> 00:43:05,280 go do 1175 00:43:10,150 --> 00:43:07,760 i would tell you though that um 1176 00:43:13,030 --> 00:43:10,160 it's it's an enormous amount of work for 1177 00:43:14,870 --> 00:43:13,040 a team to do and and you add on top of 1178 00:43:17,190 --> 00:43:14,880 that and it's already hard enough when 1179 00:43:19,349 --> 00:43:17,200 you've got a dragon that's trying to 1180 00:43:21,430 --> 00:43:19,359 launch and you got progress that has 1181 00:43:22,710 --> 00:43:21,440 uh the russians have plans to leave and 1182 00:43:23,750 --> 00:43:22,720 come back 1183 00:43:28,230 --> 00:43:23,760 then you decide you have to do a 1184 00:43:33,109 --> 00:43:31,109 already necessarily 1185 00:43:35,030 --> 00:43:33,119 ready to go do the eba so now you've got 1186 00:43:37,109 --> 00:43:35,040 a lot of work to do to not only get the 1187 00:43:39,670 --> 00:43:37,119 suits ready but to do the extra work to 1188 00:43:42,069 --> 00:43:39,680 make sure the suit system is okay plus 1189 00:43:43,589 --> 00:43:42,079 find a hole plus plan for 1190 00:43:46,069 --> 00:43:43,599 a launch and a backup launch and a 1191 00:43:47,829 --> 00:43:46,079 backup backup launch uh so yes we've 1192 00:43:49,670 --> 00:43:47,839 we've kept we've kept brian off the 1193 00:43:51,910 --> 00:43:49,680 streets with this exercise him and his 1194 00:43:53,430 --> 00:43:51,920 team but maybe brian would want to add 1195 00:43:55,670 --> 00:43:53,440 specifically the kinds of things he's 1196 00:43:57,349 --> 00:43:55,680 had to do to deal with this 1197 00:43:59,430 --> 00:43:57,359 some of the key things we had to look at 1198 00:44:00,870 --> 00:43:59,440 first was was the crew time there's a 1199 00:44:03,109 --> 00:44:00,880 certain amount of crew time associated 1200 00:44:04,870 --> 00:44:03,119 with the dragon operations 1201 00:44:06,950 --> 00:44:04,880 preparing for the capture the actual 1202 00:44:08,470 --> 00:44:06,960 capture the birthing and then of course 1203 00:44:11,109 --> 00:44:08,480 the critical science which you would get 1204 00:44:12,870 --> 00:44:11,119 to the next day you have to ingress the 1205 00:44:14,550 --> 00:44:12,880 vehicle and get that science started and 1206 00:44:16,470 --> 00:44:14,560 some of that science will also be 1207 00:44:18,390 --> 00:44:16,480 conducted the following day 1208 00:44:20,630 --> 00:44:18,400 the eva timelines also have a lot of 1209 00:44:22,230 --> 00:44:20,640 preparation work for them 1210 00:44:23,910 --> 00:44:22,240 in addition to getting the suits ready 1211 00:44:26,790 --> 00:44:23,920 and buying down that risk we had to get 1212 00:44:30,069 --> 00:44:26,800 the mdm ready and as we speak the crew 1213 00:44:32,150 --> 00:44:30,079 on orbit is preparing that spare mdm 1214 00:44:33,750 --> 00:44:32,160 and because we had to change out the 1215 00:44:35,910 --> 00:44:33,760 processor card and we have to deal with 1216 00:44:37,670 --> 00:44:35,920 the co-therm on it it wasn't a 1217 00:44:39,030 --> 00:44:37,680 straightforward preparation and it took 1218 00:44:40,950 --> 00:44:39,040 the teams a while to put that together 1219 00:44:43,349 --> 00:44:40,960 and then find a hole 1220 00:44:46,710 --> 00:44:43,359 in the timeline for that to occur 1221 00:44:48,390 --> 00:44:46,720 as far as the dragon ops and the eva 1222 00:44:50,550 --> 00:44:48,400 progress one of the biggest challenges 1223 00:44:52,069 --> 00:44:50,560 was finding solar array positions that 1224 00:44:54,069 --> 00:44:52,079 would accommodate all those i mentioned 1225 00:44:56,470 --> 00:44:54,079 earlier each one of those has its unique 1226 00:44:58,790 --> 00:44:56,480 set of constraints that will drive our 1227 00:45:01,270 --> 00:44:58,800 sarges to be in a certain position now 1228 00:45:03,430 --> 00:45:01,280 we have to find spots with the sergeants 1229 00:45:05,030 --> 00:45:03,440 that can accommodate all of them and in 1230 00:45:07,829 --> 00:45:05,040 the presence of the failure if we lose 1231 00:45:09,670 --> 00:45:07,839 the ext mdm we want to control where 1232 00:45:11,270 --> 00:45:09,680 those surges go 1233 00:45:12,470 --> 00:45:11,280 one set of angles is good for one event 1234 00:45:14,390 --> 00:45:12,480 another set of angles is good for 1235 00:45:16,230 --> 00:45:14,400 another event we had to find some type 1236 00:45:17,750 --> 00:45:16,240 of common plan that minimized the risk 1237 00:45:20,790 --> 00:45:17,760 associated with losing that primary 1238 00:45:22,470 --> 00:45:20,800 extmdm relative to the sarges the 1239 00:45:24,150 --> 00:45:22,480 constraints associated with those in the 1240 00:45:25,670 --> 00:45:24,160 power generation 1241 00:45:27,430 --> 00:45:25,680 we also looking from relative 1242 00:45:29,990 --> 00:45:27,440 trajectories the spacing of the the 1243 00:45:31,510 --> 00:45:30,000 dragon ops and the progress ops 1244 00:45:33,510 --> 00:45:31,520 was something that needed to be looked 1245 00:45:35,430 --> 00:45:33,520 at very very closely we look at the 1246 00:45:37,510 --> 00:45:35,440 nominal trajectories we also look at off 1247 00:45:39,430 --> 00:45:37,520 nominal abort trajectories make sure we 1248 00:45:41,910 --> 00:45:39,440 can keep everything safe not only from 1249 00:45:43,430 --> 00:45:41,920 the iss but for vehicle to vehicle as 1250 00:45:44,870 --> 00:45:43,440 they come and go so 1251 00:45:47,030 --> 00:45:44,880 at a high level those were some of the 1252 00:45:48,550 --> 00:45:47,040 challenges associated with trying to put 1253 00:45:50,230 --> 00:45:48,560 all these operations within the same 1254 00:45:51,910 --> 00:45:50,240 week 1255 00:45:55,750 --> 00:45:51,920 all right thanks brian let's go to 1256 00:45:57,430 --> 00:45:55,760 stephen clark with space flight now 1257 00:46:00,230 --> 00:45:57,440 hi thanks stephen clark with space 1258 00:46:03,829 --> 00:46:00,240 flight now uh just a couple of questions 1259 00:46:05,990 --> 00:46:03,839 uh for mike uh first can you go into a 1260 00:46:08,230 --> 00:46:06,000 little bit of discussion on 1261 00:46:10,870 --> 00:46:08,240 when's your drop dead last launch 1262 00:46:15,589 --> 00:46:10,880 attempt for spacex before 1263 00:46:19,829 --> 00:46:17,829 in the case this launch gets tied up 1264 00:46:21,190 --> 00:46:19,839 with some weather delays and also if 1265 00:46:24,069 --> 00:46:21,200 there's a scrub today not to be 1266 00:46:25,349 --> 00:46:24,079 pessimistic but 1267 00:46:27,270 --> 00:46:25,359 do you have to 1268 00:46:32,390 --> 00:46:27,280 go in and service any research payloads 1269 00:46:37,270 --> 00:46:34,710 uh okay well the answer your first 1270 00:46:38,069 --> 00:46:37,280 question is we haven't decided yet um we 1271 00:46:40,150 --> 00:46:38,079 have 1272 00:46:43,670 --> 00:46:40,160 today's attempt tomorrow's attempt and 1273 00:46:46,230 --> 00:46:43,680 the 22nd is options 1274 00:46:48,630 --> 00:46:46,240 i believe we have the 25th 1275 00:46:50,150 --> 00:46:48,640 as a possible opportunity 1276 00:46:51,510 --> 00:46:50,160 and then after that we got to sit down 1277 00:46:53,829 --> 00:46:51,520 and and 1278 00:46:56,230 --> 00:46:53,839 talk to folks and decide 1279 00:46:58,230 --> 00:46:56,240 uh what the next what to do next of 1280 00:46:59,910 --> 00:46:58,240 course in spacex's case it's not just 1281 00:47:01,510 --> 00:46:59,920 when you can launch it's when you can 1282 00:47:03,270 --> 00:47:01,520 land and there's a finite period the 1283 00:47:05,430 --> 00:47:03,280 vehicle can be on orbit 1284 00:47:07,750 --> 00:47:05,440 and we have landing constraints uh that 1285 00:47:09,270 --> 00:47:07,760 try to protect uh the well to protect 1286 00:47:11,030 --> 00:47:09,280 the spacecraft 1287 00:47:13,510 --> 00:47:11,040 protects the faa windows for the 1288 00:47:15,430 --> 00:47:13,520 aircraft flying in the area and also we 1289 00:47:17,990 --> 00:47:15,440 have a certain amount of constraints for 1290 00:47:18,870 --> 00:47:18,000 payloads back to the dock 1291 00:47:20,790 --> 00:47:18,880 time 1292 00:47:22,549 --> 00:47:20,800 so all those play a factor so when we're 1293 00:47:24,470 --> 00:47:22,559 trying to decide when to launch we're 1294 00:47:26,870 --> 00:47:24,480 trying to make sure that we have um 1295 00:47:30,230 --> 00:47:26,880 adequate windows for landing 1296 00:47:31,990 --> 00:47:30,240 so after the 25th we'll uh probably 1297 00:47:34,150 --> 00:47:32,000 sit down and and have a long 1298 00:47:37,109 --> 00:47:34,160 conversation if the dragon isn't off the 1299 00:47:39,510 --> 00:47:37,119 ground at that point 1300 00:47:43,910 --> 00:47:39,520 your question about the backup if we go 1301 00:47:46,390 --> 00:47:43,920 on uh on the 19th we will not um 1302 00:47:48,470 --> 00:47:46,400 uh resupply any of our research the 1303 00:47:50,470 --> 00:47:48,480 dragon will stay buttoned up 1304 00:47:54,309 --> 00:47:50,480 that does have a 1305 00:47:57,670 --> 00:47:54,319 effect on a couple of our um 1306 00:47:59,829 --> 00:47:57,680 uh research items but being in the grand 1307 00:48:01,829 --> 00:47:59,839 scheme of things it's um it's the right 1308 00:48:02,790 --> 00:48:01,839 risk trade to make since we really need 1309 00:48:05,270 --> 00:48:02,800 to 1310 00:48:09,430 --> 00:48:05,280 get the rest of the logistics on board 1311 00:48:11,589 --> 00:48:09,440 iss and in both cases it's a it's a 1312 00:48:14,390 --> 00:48:11,599 i'll say it's a it's an impact a 1313 00:48:17,109 --> 00:48:14,400 potential impact not necessarily a given 1314 00:48:20,390 --> 00:48:17,119 that it's a that it's going to 1315 00:48:22,710 --> 00:48:20,400 be unusable uh research as a result of 1316 00:48:24,309 --> 00:48:22,720 the delay so 1317 00:48:27,190 --> 00:48:24,319 this is why we choose to go ahead and 1318 00:48:31,430 --> 00:48:27,200 take the back update 1319 00:48:33,589 --> 00:48:31,440 okay moving on we got irene from reuters 1320 00:48:36,390 --> 00:48:33,599 hi thanks very much i have two quick 1321 00:48:39,510 --> 00:48:36,400 ones for mike um the first is 1322 00:48:47,190 --> 00:48:39,520 on the evas are snorkels and helmet pads 1323 00:48:51,990 --> 00:48:49,829 yes 1324 00:48:55,430 --> 00:48:52,000 thanks and the other one is um on the 1325 00:48:58,150 --> 00:48:55,440 failure analysis on the mda mdm that's 1326 00:49:00,549 --> 00:48:58,160 returned will that all be done on orbit 1327 00:49:06,710 --> 00:49:00,559 are you planning to return any of the 1328 00:49:10,150 --> 00:49:08,069 uh 1329 00:49:11,430 --> 00:49:10,160 i don't know about returning on dragon 1330 00:49:14,230 --> 00:49:11,440 but 1331 00:49:16,390 --> 00:49:14,240 as glenda said my preference is to 1332 00:49:18,630 --> 00:49:16,400 change the 1333 00:49:20,390 --> 00:49:18,640 failed component and keep the mdm up 1334 00:49:23,430 --> 00:49:20,400 there and then would bring the component 1335 00:49:26,309 --> 00:49:23,440 home really the box is about 13 years 1336 00:49:29,030 --> 00:49:26,319 old it's not a 1337 00:49:31,430 --> 00:49:29,040 it's not like this this failure is 1338 00:49:33,030 --> 00:49:31,440 shocking to have occurred at some point 1339 00:49:34,710 --> 00:49:33,040 given its age 1340 00:49:36,710 --> 00:49:34,720 so we're not we're not looking at it 1341 00:49:38,790 --> 00:49:36,720 like it's an indication of some big 1342 00:49:41,430 --> 00:49:38,800 bigger issue but we will take it home 1343 00:49:43,270 --> 00:49:41,440 and and do failure analysis on it 1344 00:49:45,270 --> 00:49:43,280 but what we'll try to do is just to r r 1345 00:49:48,390 --> 00:49:45,280 the card so we put the mdm will be back 1346 00:49:50,470 --> 00:49:48,400 as a as a good spare as glenda said and 1347 00:49:52,230 --> 00:49:50,480 we'll bring that card home and and in 1348 00:49:56,309 --> 00:49:52,240 due course we'll uh we'll do failure 1349 00:50:01,589 --> 00:49:58,309 okay i think we have one quick follow-up 1350 00:50:04,230 --> 00:50:02,870 aviation week 1351 00:50:06,230 --> 00:50:04,240 and uh 1352 00:50:08,390 --> 00:50:06,240 as for brian smith 1353 00:50:10,870 --> 00:50:08,400 you certainly mentioned the the power 1354 00:50:12,870 --> 00:50:10,880 and the thermal what are other concerns 1355 00:50:14,950 --> 00:50:12,880 if you if you lost 1356 00:50:18,069 --> 00:50:14,960 another mdm 1357 00:50:20,710 --> 00:50:18,079 other systems on the station that are 1358 00:50:21,990 --> 00:50:20,720 are you know high order 1359 00:50:23,670 --> 00:50:22,000 so i'll give you two 1360 00:50:25,990 --> 00:50:23,680 two examples 1361 00:50:27,270 --> 00:50:26,000 we have two s-band strings communication 1362 00:50:29,190 --> 00:50:27,280 strings 1363 00:50:32,710 --> 00:50:29,200 and that carries the command telemetry 1364 00:50:37,510 --> 00:50:34,950 our ability to power up that backup 1365 00:50:40,549 --> 00:50:37,520 string which normally we keep off 1366 00:50:41,990 --> 00:50:40,559 requires an ext mdm 1367 00:50:43,430 --> 00:50:42,000 so one of the preemptive measures we 1368 00:50:46,790 --> 00:50:43,440 took right after we declared the backup 1369 00:50:49,589 --> 00:50:46,800 extmdm failed while we still have a good 1370 00:50:51,990 --> 00:50:49,599 ext mdn we started powering on all those 1371 00:50:53,270 --> 00:50:52,000 redundant systems rate gyro assembly is 1372 00:50:54,790 --> 00:50:53,280 another one that's used in our guided 1373 00:50:56,549 --> 00:50:54,800 synaptic control system we normally 1374 00:50:58,549 --> 00:50:56,559 wouldn't power that on 1375 00:51:00,230 --> 00:50:58,559 it's there as a backup so those are 1376 00:51:03,109 --> 00:51:00,240 types of things that we 1377 00:51:05,030 --> 00:51:03,119 we have on right now uh 1378 00:51:07,190 --> 00:51:05,040 the the helmet camera that we're going 1379 00:51:09,589 --> 00:51:07,200 to use during this eva those radios 1380 00:51:11,910 --> 00:51:09,599 outside are normally off we require the 1381 00:51:14,150 --> 00:51:11,920 extmdm to turn those on so we turn those 1382 00:51:15,670 --> 00:51:14,160 on right away once the mdm was declared 1383 00:51:17,510 --> 00:51:15,680 failed we knew we were destined for an 1384 00:51:21,270 --> 00:51:17,520 eva at some point so we turned them on 1385 00:51:25,349 --> 00:51:22,630 okay 1386 00:51:26,630 --> 00:51:25,359 uh one one last one from jim yeah 1387 00:51:28,790 --> 00:51:26,640 for mike 1388 00:51:29,670 --> 00:51:28,800 this is jim oberg with nbc 1389 00:51:33,990 --> 00:51:29,680 on the 1390 00:51:38,069 --> 00:51:35,430 there was some talk that you would be 1391 00:51:38,790 --> 00:51:38,079 looking at the previous replaced oru 1392 00:51:40,710 --> 00:51:38,800 that 1393 00:51:42,470 --> 00:51:40,720 the pump module and possibly repairing 1394 00:51:43,910 --> 00:51:42,480 it on orbit is there any status you can 1395 00:51:46,790 --> 00:51:43,920 give us on that 1396 00:51:48,950 --> 00:51:46,800 and can you give us a status on any uh 1397 00:51:51,670 --> 00:51:48,960 explanation from the russian side on 1398 00:51:53,670 --> 00:51:51,680 there on the hiccup on the four rev on 1399 00:51:56,150 --> 00:51:53,680 the six-hour rendezvous that they had to 1400 00:51:57,030 --> 00:51:56,160 abort anybody have given any reasons for 1401 00:52:03,270 --> 00:51:57,040 that 1402 00:52:09,270 --> 00:52:06,390 uh let's see uh jim let's see the four 1403 00:52:11,829 --> 00:52:09,280 orbit uh uh the um 1404 00:52:12,870 --> 00:52:11,839 i'm sorry the six hour rendezvous abort 1405 00:52:14,230 --> 00:52:12,880 um 1406 00:52:16,230 --> 00:52:14,240 that was uh 1407 00:52:18,390 --> 00:52:16,240 ultimately turned out to be an energy 1408 00:52:20,630 --> 00:52:18,400 issue uh that 1409 00:52:23,030 --> 00:52:20,640 ended up having the 1410 00:52:25,190 --> 00:52:23,040 vehicle making a maneuver 1411 00:52:27,190 --> 00:52:25,200 taking too long to get itself into the 1412 00:52:29,109 --> 00:52:27,200 maneuver for the burn 1413 00:52:30,790 --> 00:52:29,119 and it aborted the burn 1414 00:52:33,670 --> 00:52:30,800 they've taken some lessons learned from 1415 00:52:34,870 --> 00:52:33,680 that because ultimately the 1416 00:52:40,069 --> 00:52:34,880 uh 1417 00:52:45,670 --> 00:52:42,870 within family performance of the vehicle 1418 00:52:48,549 --> 00:52:45,680 and and so the russians have gone off 1419 00:52:51,750 --> 00:52:48,559 to make themselves more robust against 1420 00:52:53,750 --> 00:52:51,760 the band of potential 1421 00:52:56,390 --> 00:52:53,760 energy results from the 1422 00:52:58,390 --> 00:52:56,400 from the orbit uh insertion 1423 00:52:59,109 --> 00:52:58,400 and and the on orbit burns 1424 00:53:02,470 --> 00:52:59,119 so 1425 00:53:03,270 --> 00:53:02,480 it really overall the vehicle performed 1426 00:53:05,510 --> 00:53:03,280 uh 1427 00:53:07,349 --> 00:53:05,520 within the nominal range but the 1428 00:53:08,870 --> 00:53:07,359 constraints were so tight for getting 1429 00:53:10,870 --> 00:53:08,880 into attitude 1430 00:53:13,030 --> 00:53:10,880 from a fitter standpoint that they 1431 00:53:14,710 --> 00:53:13,040 didn't take into account that they could 1432 00:53:16,870 --> 00:53:14,720 be in a position where they didn't quite 1433 00:53:20,230 --> 00:53:16,880 get to attitude quick enough 1434 00:53:22,230 --> 00:53:20,240 and so they've opened up that window and 1435 00:53:25,190 --> 00:53:22,240 and we believe future launches won't 1436 00:53:27,190 --> 00:53:25,200 have this particular problem of course 1437 00:53:29,990 --> 00:53:27,200 folks all know that 1438 00:53:32,710 --> 00:53:30,000 we do uh both the six orbit and the 30 1439 00:53:33,589 --> 00:53:32,720 34 orbit the six hour 4 orbit and the 34 1440 00:53:36,710 --> 00:53:33,599 orbit 1441 00:53:39,510 --> 00:53:36,720 rendezvous we plan for both of those um 1442 00:53:41,109 --> 00:53:39,520 and we plan for the 34 as a backup 1443 00:53:45,030 --> 00:53:41,119 while we plan for the forward rendezvous 1444 00:53:47,990 --> 00:53:45,040 so this was well within our our plan 1445 00:53:50,470 --> 00:53:48,000 and your first question was 1446 00:53:53,030 --> 00:53:50,480 on the last condition continuously eva 1447 00:53:54,470 --> 00:53:53,040 the crew replaced the pump module 1448 00:53:56,549 --> 00:53:54,480 and i understand it may simply be an 1449 00:53:58,630 --> 00:53:56,559 electrical problem in the module you may 1450 00:54:02,870 --> 00:53:58,640 be able to repair on orbit and have it 1451 00:54:08,950 --> 00:54:06,470 yes um that is we're assuming that to be 1452 00:54:10,710 --> 00:54:08,960 the case the team is has some ideas 1453 00:54:14,150 --> 00:54:10,720 about how you put 1454 00:54:15,750 --> 00:54:14,160 this valve uh on a qd in between the 1455 00:54:18,390 --> 00:54:15,760 line to the pump 1456 00:54:19,510 --> 00:54:18,400 and the pump itself and then we can 1457 00:54:21,589 --> 00:54:19,520 we can 1458 00:54:23,030 --> 00:54:21,599 jumper in the 1459 00:54:24,950 --> 00:54:23,040 into the connector that goes to the 1460 00:54:27,990 --> 00:54:24,960 module so that that valve 1461 00:54:33,030 --> 00:54:31,270 separate from the fail valve inside 1462 00:54:34,950 --> 00:54:33,040 but i haven't i haven't gotten a recent 1463 00:54:36,870 --> 00:54:34,960 status gym we have we have some time to 1464 00:54:38,549 --> 00:54:36,880 work this 1465 00:54:39,910 --> 00:54:38,559 given the number of spares we have on 1466 00:54:42,150 --> 00:54:39,920 orbit but the team is off looking at 1467 00:54:44,470 --> 00:54:42,160 that i just haven't had an out brief yet 1468 00:54:47,829 --> 00:54:44,480 uh we have not turned on 1469 00:54:50,549 --> 00:54:47,839 um boeing to go build uh 1470 00:54:52,710 --> 00:54:50,559 this this mod kit yet i know that for a 1471 00:54:55,430 --> 00:54:52,720 fact so but i hadn't gotten a briefing 1472 00:54:57,270 --> 00:54:55,440 recently on it 1473 00:54:58,870 --> 00:54:57,280 all right well that's going to wrap it 1474 00:55:00,710 --> 00:54:58,880 up for us today thank you to all of our 1475 00:55:02,710 --> 00:55:00,720 briefers a couple quick programming 1476 00:55:04,470 --> 00:55:02,720 notes for you coming up as always you 1477 00:55:07,750 --> 00:55:04,480 can tune in to space station live every 1478 00:55:09,349 --> 00:55:07,760 day at 10 a.m central 11 a.m eastern for 1479 00:55:11,270 --> 00:55:09,359 all the latest on life on board the 1480 00:55:13,030 --> 00:55:11,280 international space station 1481 00:55:15,670 --> 00:55:13,040 more immediate we have our launch 1482 00:55:18,549 --> 00:55:15,680 coverage of today's spacex mission uh 1483 00:55:21,109 --> 00:55:18,559 going on the air at 1 15 p.m 1484 00:55:24,150 --> 00:55:21,119 on nasa tv that launch scheduled to take 1485 00:55:26,069 --> 00:55:24,160 place at 2 25 pm central today and 1486 00:55:28,950 --> 00:55:26,079 assuming the launch today in a spacewalk 1487 00:55:31,750 --> 00:55:28,960 on april 23rd our nasa tv coverage will 1488 00:55:33,349 --> 00:55:31,760 begin at 7 30 a.m central as always you 1489 00:55:36,270 --> 00:55:33,359 can get all the latest updates on 1490 00:55:37,990 --> 00:55:36,280 station news on our website at