Gemini 5 Technical Debriefing, Part II, 1965
NASA-UAP-D020 · page 144 of 325
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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,