Preliminary Gemini 4 Crew Debriefing, Part II, 1965

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got to a position where we were outside the
attitude constraint of the scanners.
White
There were a couple of things.
As far as the
initial rates were concerned, they were 3 1/2
degrees/second roll-right, 3 degreed pitch-down/
second, and 2 degrees yaw- right/second.
The final
orientation that Jim came to was such that his
pitch was on, his roll was on, and his yaw was
off by 18 degrees.
We found early in the flight that
a yaw reference at night on the stars, particularly on
a dark night , was very difficult.
McDivitt
Yes.
I still thought that the quickest yaw re­
ference was to go to the ground.
White
As far as the day check , we decided that the night
was by far the tougher case, adn it didn't seem
to be too diff icult. So, we thought that since
the day was so easy we wouldn't even go ahead
and do it. The orientation by day was a quite
easy t ~,ing.
9. 3 One Attitude 1'hruster Failure Check
McDivitt
Okay.
We'll just go right through the
debriefing here. It was not difficult to
establish the rate as long as we had the roll
jets in the other axes.
We could damp out the