1 00:00:10,759 --> 00:00:09,049 my name is David gruel and I'm the 2 00:00:12,620 --> 00:00:10,769 assembly test and launch operations 3 00:00:14,870 --> 00:00:12,630 manager for the Mars Science Laboratory 4 00:00:16,070 --> 00:00:14,880 project I'm coming to you from a 5 00:00:17,720 --> 00:00:16,080 cleanroom at the Kennedy Space Center 6 00:00:19,760 --> 00:00:17,730 where my team is currently conducting 7 00:00:22,370 --> 00:00:19,770 the final functional tests of the MSL 8 00:00:25,009 --> 00:00:22,380 flight hardware destined for Mars over 9 00:00:26,509 --> 00:00:25,019 here we have our crew stage the crew 10 00:00:28,790 --> 00:00:26,519 stage is comprised of a solar array 11 00:00:30,410 --> 00:00:28,800 several guidance sensors and a 12 00:00:32,260 --> 00:00:30,420 propellant system that basically gets 13 00:00:34,580 --> 00:00:32,270 the MSL spacecraft from Earth to Mars 14 00:00:36,229 --> 00:00:34,590 once we get to Mars the vehicle will 15 00:00:37,220 --> 00:00:36,239 have served its purpose and we jettison 16 00:00:39,680 --> 00:00:37,230 it and it burns up in the atmosphere 17 00:00:41,600 --> 00:00:39,690 before we actually make first contact 18 00:00:43,670 --> 00:00:41,610 with the atmosphere itself the backshell 19 00:00:45,229 --> 00:00:43,680 is the vehicle over here in white which 20 00:00:47,959 --> 00:00:45,239 provides an interface to a large 21 00:00:50,270 --> 00:00:47,969 deceleration parachute and over here is 22 00:00:52,520 --> 00:00:50,280 the heat shield and the heat shield has 23 00:00:54,709 --> 00:00:52,530 the protective insulative tiles that 24 00:00:56,569 --> 00:00:54,719 keep curiosity safe well as all the heat 25 00:00:59,510 --> 00:00:56,579 is generated as we actually wake our way 26 00:01:01,970 --> 00:00:59,520 through the Martian atmosphere behind me 27 00:01:03,709 --> 00:01:01,980 is the descent stage the descent stage 28 00:01:05,620 --> 00:01:03,719 is the jetpack that safely gets 29 00:01:07,850 --> 00:01:05,630 curiosity down to the surface of Mars 30 00:01:09,800 --> 00:01:07,860 unlike Pathfinder and the twin rovers 31 00:01:11,390 --> 00:01:09,810 Spirit and Opportunity which utilized 32 00:01:13,700 --> 00:01:11,400 airbags to make it down to the surface 33 00:01:15,440 --> 00:01:13,710 curiosity relies on the descent stage 34 00:01:17,899 --> 00:01:15,450 and this jetpack to actually make it 35 00:01:20,420 --> 00:01:17,909 down to the surface using retro rockets 36 00:01:22,039 --> 00:01:20,430 and a terminal descent radar system this 37 00:01:23,990 --> 00:01:22,049 is what actually carries the Curiosity 38 00:01:25,460 --> 00:01:24,000 safely down to the surface so that it 39 00:01:28,070 --> 00:01:25,470 can actually gets wheels onto the ground 40 00:01:30,469 --> 00:01:28,080 perform its science so here's the star 41 00:01:32,390 --> 00:01:30,479 of the show the Curiosity rover here 42 00:01:33,830 --> 00:01:32,400 curiosity looks the same way that she'll 43 00:01:35,630 --> 00:01:33,840 look when she makes to the surface of 44 00:01:37,760 --> 00:01:35,640 Mars and deploys all of her mechanisms 45 00:01:39,740 --> 00:01:37,770 sticking up off the top deck of the 46 00:01:42,260 --> 00:01:39,750 rover is a remote science mast which 47 00:01:44,120 --> 00:01:42,270 contains all of our stereo imagery you 48 00:01:45,710 --> 00:01:44,130 can also see the six wheels which will 49 00:01:47,929 --> 00:01:45,720 actually propel curiosity around the 50 00:01:49,460 --> 00:01:47,939 surface of Mars as well as the robotic 51 00:01:51,380 --> 00:01:49,470 arm which is sticking off the front of 52 00:01:53,120 --> 00:01:51,390 the vehicle with the turret which allows 53 00:01:54,859 --> 00:01:53,130 us to do science on rocks that are in 54 00:01:56,389 --> 00:01:54,869 the vicinity of the rover and return 55 00:01:57,709 --> 00:01:56,399 samples to science instruments that are 56 00:02:00,289 --> 00:01:57,719 contained on the body of the rover 57 00:02:01,880 --> 00:02:00,299 itself all total there's nine science 58 00:02:03,469 --> 00:02:01,890 instruments which will return all sorts 59 00:02:05,899 --> 00:02:03,479 of exciting science from the surface of 60 00:02:07,520 --> 00:02:05,909 Mars up next for us we're ready to start 61 00:02:08,900 --> 00:02:07,530 stacking the vehicle and from there 62 00:02:11,059 --> 00:02:08,910 we're looking forward to a great mission 63 00:02:12,530 --> 00:02:11,069 as curiosity launches and lands on the