Preliminary Gemini 4 Crew Debriefing, Part I, 1965

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17
2.1
Lift-Off Cues
McDivitt
White
McDivitt
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McDivitt
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McDivitt
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McDivitt
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2.0 POWER FLIGHT
CAP COM gave lift-off, about as good a cue as you
can get.
Wasn't any question either.
Boy, you could feel
the first little motions of the booster as it
went up. It was really great!
I think you could feel the acceleration at re­
lease.
There wasn't a doubt in my mind that we
were loose.
That 's right.
I don't know if I could feel the
bolts or hear them.
As a matter of fact, it seemed to steady out a
little bit. The vibrations seemed to decrease
a little. Pretty impressive!
Not much vibration at lift-off. Very low.
Very low.
I got vibrations later on, though,
didn't you?
Yes.
Noise.
There wasn't much noise, was there?
No.
There was less than I had expected.
Noise wasn't a cue to lift-off. Noise was there