1 00:00:11,940 --> 00:00:10,049 the sts-128 astronauts flew to NASA's 2 00:00:14,250 --> 00:00:11,950 Kennedy Space Center in Florida on 3 00:00:17,700 --> 00:00:14,260 August 5th for their scheduled countdown 4 00:00:20,550 --> 00:00:17,710 rehearsal the seven-member crews spent 5 00:00:21,990 --> 00:00:20,560 three days in exercises officially known 6 00:00:26,670 --> 00:00:22,000 as the terminal countdown demonstration 7 00:00:28,920 --> 00:00:26,680 test or tcdt the astronauts practiced 8 00:00:31,679 --> 00:00:28,930 emergency evacuation at the launch pad 9 00:00:34,530 --> 00:00:31,689 and checked the mission payload in Space 10 00:00:37,520 --> 00:00:34,540 Shuttle Discovery's cargo bay they 11 00:00:40,290 --> 00:00:37,530 received instruction on driving the m113 12 00:00:43,500 --> 00:00:40,300 armored personnel carrier as part of 13 00:00:45,360 --> 00:00:43,510 their emergency escape training the crew 14 00:00:47,459 --> 00:00:45,370 took a few minutes out of their schedule 15 00:00:49,920 --> 00:00:47,469 to answer questions from media 16 00:00:52,619 --> 00:00:49,930 representatives who gathered for a news 17 00:00:55,170 --> 00:00:52,629 conference at the launch pad at the 18 00:00:55,860 --> 00:00:55,180 Shuttle Landing Facility commander Rick 19 00:00:58,920 --> 00:00:55,870 sturckow 20 00:01:01,860 --> 00:00:58,930 and pilot Kevin Ford practice landings 21 00:01:04,320 --> 00:01:01,870 in the shuttle training aircraft the 22 00:01:06,540 --> 00:01:04,330 final day's activities culminated in a 23 00:01:08,400 --> 00:01:06,550 launch dress rehearsal and practice 24 00:01:11,160 --> 00:01:08,410 countdown with the look and feel of a 25 00:01:13,649 --> 00:01:11,170 real launch day with the exercises 26 00:01:15,719 --> 00:01:13,659 behind them the astronauts flew back to 27 00:01:18,899 --> 00:01:15,729 their home base at NASA's Johnson Space 28 00:01:21,780 --> 00:01:18,909 Center in Houston discovery and crew are 29 00:01:23,310 --> 00:01:21,790 targeted to liftoff in late August for