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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 Right. We spent a lot of time with EECOM before the flight discussing what items to check and what items not to check. I suppose as long as we have space flights, we're going to have philosophical disagreements on how exhaustively we want to check all the equipment. My personal philosophy is that if you don't have some reason to believe that it's broken, leave it alone. Don't fool around with it. FOD, of course, has a number of mission rules that require verification of each and every component of each and every system to make sure that they're not going to violate one of the mission rules. I can understand their viewpoint. Maybe the truth lies somewhere in the middle. We ended up after many, many discussions including the operation to make sure that the glycol was flowing satisfactorily through the secondary radiators without any leaks and to make sure that the secondary water boiler was functioning properly. We did that pre-TLI. Then pre-LOI, we checked only for gross radiator leaks and did not check secondary water boiler operation. LDRIN It wasn't really a difficult time-consuming task. It went very smoothly. ## CONFIDENTIAL
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