John Company

Gemini 5 Technical Debriefing, Part II, 1965

NASA-UAP-D020 · page 144 of 325

Page 144 of 325 of NASA-UAP-D020

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139
Cooper
FCSD Rep
Cooper
Cooper
"
Okay, let 's see, going down on the 9 ,0 Operational
Checks - Acquisition. .
That's Apollo Landmarks.
All right, the--I think to find these landmarks,
things of this type, one thing that I feel pretty
strongly that you really need is a platform.
You
need a platform to operate from.
You need pointing,
something to give you pointing information.
Now,
you can find it approximat ely with the plat ­
form off, and by knowing about what BEF or SEF are,
and by yawing approximately so many degrees , knowing
what time to look for it, approximately what degrees
to pitch down.
Chances are, if it is fairly dis­
tinctive you are going to find it. But for certainly
very accurate acquisition, you certainly need a
platform up and some accurate pointing information,­
then you real ly got it pinned.
We tried it both ways and there is no comparison.
If you really want to make sure you get on a target,
if you' ve got a time and at the time you are at
this time, then the pitch angle and the yaw angle
to be at, boy, you just can ' t miss it. If you go
to those angles just a few seconds ahead of time
and set right there and as you come up on the time,