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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 (CONT'D) E-memory dump, and you did some work with the DSKY and the alignment checks. ARMSTRONG The E-memory dump was repeated for some reason or other. I think we lost S-band. ALDRIN I can't recall if it was an attitude problem, but we did do that again. ARMSTRONG For some reason, we lost the high bit rate during this time period. The VHF checkout was good. Both VHF A and B between the two vehicles were good. The time and TEPHEM initiations were without problem, and we did the docked IMU coarse align. The advantage of being slightly ahead showed itself in that MSFN was able to compute the torquing angles before we lost signal with them, before we went on the backside. They gave us the torquing angles, and we torqued the platform at 97:14, about an hour before we were scheduled to do the initial torquing. This gave us better drift checks, which was a help in analyzing the LM platform. We had never done that in the SIM's. Later on I was a little confused in my own mind as to what cages that might result in and whether we would have the subsequent torquings about an hour and ## CONFIDENTIAL
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