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15 seconds and counting

2
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one

3
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the engine's igniting

4
00:00:20,150 --> 00:00:17,440
the solid rocker boosters and liftoff

5
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the h2b has cleared the tower the sixth

6
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htv vehicle on its way to the

7
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good first stage performance again those

8
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solid rocket boosters will fire for the

9
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first one minute 54 seconds into launch

10
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the main engines of the first stage will

11
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continue to fire for about three or

12
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about five minutes and 47 seconds

13
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the launch vehicle operation control was

14
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shifted from the block house to the

15
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look at the

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[Music]

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the h2b is now flying over the pacific

18
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ocean to the southeast with its initial

19
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flight angle of

20
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hdb continuing to fly over the pacific

21
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should be coming up shortly on that

22
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solid rocket booster separation

23
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the htv is flying normally and the

24
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kanekashima station is tracking the

25
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the first and second pairs of srbas were

26
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jerry sand

27
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so their confirmation

28
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that those solid rocket boosters have

29
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jettisoned their job done and now the

30
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main engine is continuing to

31
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fire and carry htv into orbit

32
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the yoga sawada station has started

33
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the next major milestone will be that

34
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fairing separation and that will expose

35
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htv

36
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to the space environment that schedule

37
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to come about three minutes 40 seconds

38
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into liftoff so a little over 50 seconds

39
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[Applause]

40
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it's three minutes after liftoff

41
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[Music]

42
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the first stage engine combustion

43
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attitude control and flight trajectory

44
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are all normal the flight goes very

45
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smoothly

46
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current altitude is about two thousand

47
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four hundred kilometers velocity is

48
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approximately two point four kilometers

49
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payload fairing jettison

50
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and then the payload fairing at this

51
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and then this actually

52
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is a view of htv flying

53
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into space from the international space

54
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station

55
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this is uh from a from a camera you can

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see hdb flickering just there in the

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center of your screen as it continues

58
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continues its climb to orbit

59
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the main engine is still going to fire

60
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for about another minute and a half or

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so and then at that point they'll

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cut off and then it'll be the second