1
00:00:07,510 --> 00:00:03,750
eight seven six five

2
00:00:10,629 --> 00:00:07,520
four engine ignition two one

3
00:00:13,589 --> 00:00:10,639
zero zero relate and

4
00:00:14,549 --> 00:00:13,599
liftoff as the countdown to mars

5
00:00:16,390 --> 00:00:14,559
continues

6
00:00:18,470 --> 00:00:16,400
the perseverance of humanity launching

7
00:00:24,950 --> 00:00:18,480
the next generation of robotic explorers

8
00:00:24,960 --> 00:00:28,830
and atlas tu has gone to closed loop

9
00:00:28,840 --> 00:00:35,990
control

10
00:00:39,990 --> 00:00:37,830
coming up on 30 seconds into flight the

11
00:00:44,150 --> 00:00:40,000
rd-180 is throttling down as expected

12
00:00:54,709 --> 00:00:44,160
engine response looks good

13
00:00:58,549 --> 00:00:56,790
and passing 45 seconds into flight

14
00:01:14,469 --> 00:00:58,559
vehicle is now passing through max q

15
00:01:18,950 --> 00:01:16,469
and passing one minute into flight the

16
00:01:21,429 --> 00:01:18,960
rd-180 is throttling back up as expected

17
00:01:23,270 --> 00:01:21,439
engine response looks good at this time

18
00:01:24,149 --> 00:01:23,280
in flight the srb chamber pressures

19
00:01:26,710 --> 00:01:24,159
remain nominal

20
00:01:28,310 --> 00:01:26,720
the rd-180 pump speed and fuel injector

21
00:01:30,069 --> 00:01:28,320
pressures are responding well to demands

22
00:01:40,469 --> 00:01:30,079
on the engine

23
00:01:42,550 --> 00:01:40,479
standing by for srb burnout shortly

24
00:01:44,230 --> 00:01:42,560
and we have burnout on all four srbs

25
00:02:02,469 --> 00:01:44,240
burnout pressure signatures look good

26
00:02:07,749 --> 00:02:04,950
and we have a good indication of srb

27
00:02:10,110 --> 00:02:07,759
jettison of all four srbs