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This is Volume 1 of NASA's Apollo 11 Technical Crew Debriefing, dated July 31, 1969. The Mission Operations Branch of the Flight Crew Support Division at the Manned Spacecraft Center in Houston prepared it, and it was originally classified Confidential. In it Armstrong, Aldrin and Collins go phase by phase through suiting, launch, powered flight, Earth orbit and lunar surface activities. They comment on suit fit, vibration, checklists, lunar dust, footing and poor sleeping conditions in the lunar module. A section titled Visual Sightings appears in the table of contents.
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## CONFIDENTIAL ALDRIN It was 0.3 or 0.4. It jumped - this was in 470. It just appeared to us that since we had P47 going it was probably the more accurate of the two. ARMSTRONG After separating for a distance of 30 to 40 feet — then taking the DELTA-V out in P47 — we asked Mike to choose his own separation distance for watching the gear. He then stopped his relative motion with respect to ours; and the intent was, at that point, both vehicles would have exactly the same state vector that they had prior to undocking. COLLINS Any error we had in there might well have been the reason why you might have been long. ARMSTRONG Possibly, it may have contributed to that. COLLINS I don't know how much error we had in there. I did have to fire lateral thrusters several times and pitch thrusters once or twice. As near as I can tell, those things should have just about compensated for each other. ARMSTRONG It was our intention to try and keep the command module from firing any thrusters once he had killed the relative rate. We didn't quite accomplish that. ## CONFIDENTIAL
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