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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 Yes. I think that's one of the areas where the simulator probably falls a little short. COLLINS In my mind, it's a question of time available. I had so much stuff to learn, and I had divided up the time, and P23 was a relatively small slice of the overall training. I didn't want to really spend the time to sit down and go and hammer this stuff all the way through, although it appears I should have. That's another thing. That state vector was another heartache. ARMSTRONG The state vector may have been bad initially but especially when you get two large errors in a row. We incorporated it, and from that point on, the state vector wasn't any good. COLLINS That's right. The state vector was mediocre to begin with and it rapidly got worse. But each star has its own distinct substellar point, and you take a measurement on two stars in a row. This requires that you maneuver from one substellar point to another. I kept telling those people that before the flight and they kept saying, "Oh no. They're all right close together." I think there's some confusion on their part and maybe some on mine. ## CONFIDENTIAL
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