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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.
Read from the scan by GLM-OCR; expect the odd misread word.
## CONFIDENTIAL ARMSTRONG (CONT'D) could to minimize the interference, but we still were continually concerned with the fact that we might inadvertently press that thing against the top of the abort handle. ALDRIN Before we go on, did you all note any numbers? I have written down here: apogee 103.9, perigee 102.1. COLLINS They tell me that they have better sources. ALDRIN I'm just wondering why in our checklist we're not able to write down the CSM weight and gimbal motor numbers. We certainly ought to know what those are before flight and just confirm that those numbers have been set in. COLLINS I don't know why you fool with them at all. They come up to you on the first PAD prior to the first burn. ALDRIN Everybody in the world knows what they are, and they ought to be in the checklist. COLLINS I don't even know where they list them. The only other thing that I had on the launch phase was there was some peculiarity in the servicing of the oxygen quantity. Oxygen tank number 1 had 90 percent on my gage, and oxygen tank number 2 had 95 percent with a 5 percent differential, and they kept talking about some mission rule which allowed a maximum of ## CONFIDENTIAL
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