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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 The verification of about 8 to 10 AGS addresses I was able to get done before undocking. There is a bad amount of data that the ground reads up to you in that time period — the DOI, PDI, PDI plus 12 pads, and various loads that are coming up. You have to devote one man just to copying all those things down. It seemed like it took forever to get them all done. Even after we got those, we still had some more coming up after DOI; the surface pad had to come up. ## ARMSTRONG ## 8.2.33 Formation flying Formation flying was considerably less difficult than our simulation would lead us to believe. We were able to maintain position with respect to the other vehicle. It was less trouble than in simulations and used less fuel. At separation, we thought we had relative velocity nulled to less than 0.1 ft/sec in all axes. This was based on the size of the translational inputs required to maintain a constant position over past 10 or 15 minutes before separation. ## ALDRIN We did add 20 degrees to our pitch attitude after undock ing, so that we'd get better high gain during the yaw # CONFIDENTIAL
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