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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 ## ARMSTRONG I'd always wondered if there was anything that you could do during the AGS CAL 5-minute period that would maybe give a little jolt, go back to the AGS, and give you an erroneous reading so you wouldn't pass. In any case, we just avoided that problem by not doing anything except the AGS CAL during the AGS CAL. We didn't pressurize the DPS, or put down the landing gear, or run the rendezvous radar or any of those things which might put a little oscillation into the spacecraft and trigger an accelerometer or something of that sort that might cause a problem. We just let it run all by itself. ## ALDRIN N This pressurization sounds like a big thing, but really it took about 2 minutes to do. ARMSTRONG Yes. ALDRIN And we went through the final circuit breaker verification. Cards worked quite well. We'd lose maybe a little bit of time by having to pass them back and forth. I don't think that's too significant. 8. 2.28 Undocking ARMSTRONG Undocking was very smooth. We had a very good visual. We could always tell where the command module was by ## CONFIDENTIAL
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