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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 (CONT'D) with our helmets and gloves on for a couple of reasons. One is that it's a lot quieter with your helmet and gloves on, and then we wouldn't have any mental concern about the ECS and so on having two loops working for us there. ALDRIN We wouldn't be breathing all that dust. ARMSTRONG That was another concern. Our cockpit was so dirty with soot, that we thought the suit loop would be a lot cleaner. ALDRIN I guess the question is — Can you keep it cleaner? I guess you could keep it a little cleaner, but there are so many things going in and out that it's almost impossible to avoid getting a significant amount of lunar material in there. ARMSTRONG A couple of comments with respect to going to sleep in the LM: One is that it's noisy, and two is that it's illuminated. We had the window shades up and light came through those window shades like crazy. COLLINS Why didn't you pull the window shades? ARMSTRONG We had them closed. A lot of light comes through the window shades. They're like negatives and a lot of light will shine through. ## CONFIDENTIAL
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