1 00:00:00,000 --> 00:00:06,480 five four three two 2 00:00:10,910 --> 00:00:09,210 zero and liftoff of space shuttle 3 00:00:13,400 --> 00:00:10,920 Atlantis 4 00:00:21,750 --> 00:00:13,410 the crest of its historic achievements 5 00:00:21,760 --> 00:00:24,870 Houston is now controlling 6 00:00:28,230 --> 00:00:27,000 the roll maneuver is complete Atlantis's 7 00:00:32,760 --> 00:00:28,240 and ahead 8 00:00:43,319 --> 00:00:32,770 on course for a 51.6 degree 136 by 36 9 00:00:47,069 --> 00:00:45,240 and the three main engines on atlantis 10 00:00:49,619 --> 00:00:47,079 had now been throttled down to 72 11 00:00:51,540 --> 00:00:49,629 percent of rated thrust as the orbiter 12 00:00:53,280 --> 00:00:51,550 prepares to pass through the area of 13 00:01:02,130 --> 00:00:53,290 maximum dynamic pressure on the vehicle 14 00:01:24,570 --> 00:01:04,140 engines now beginning to throttle back 15 00:01:27,120 --> 00:01:24,580 up all three engines looking really good 16 00:01:28,919 --> 00:01:27,130 back at full throttle now at liftoff the 17 00:01:30,960 --> 00:01:28,929 fully fueled shuttle boosters an 18 00:01:34,289 --> 00:01:30,970 external tank weighed four and a half 19 00:01:38,100 --> 00:01:34,299 million pounds it now has burned half of 20 00:01:39,570 --> 00:01:38,110 that liftoff weight in propellent one 21 00:01:41,580 --> 00:01:39,580 minute thirty seconds into the flight 22 00:01:43,740 --> 00:01:41,590 all three auxilary power units that 23 00:01:45,930 --> 00:01:43,750 provide hydraulic power to the orbiters 24 00:01:48,870 --> 00:01:45,940 systems in good shape as are the fuel 25 00:01:50,940 --> 00:01:48,880 cells providing electricity to all of 26 00:01:53,760 --> 00:01:50,950 the systems on board Atlantis is already 27 00:01:56,779 --> 00:01:53,770 19 miles an altitude down rates from the 28 00:02:02,429 --> 00:01:56,789 Kennedy Space Center 20 miles traveling 29 00:02:04,380 --> 00:02:02,439 2,500 miles per hour coming up on 30 00:02:06,300 --> 00:02:04,390 staging the point at which the twin