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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.
“Neil”19 pages
## CONFIDENTIAL 2 meters per second, and then intentionally burning the SPS for 3 seconds to compensate for that overburn appears to be a sound procedure. I recommend no changes to it. I did notice the oxidizer unbalance to start out because it was bouncing around, but I have a note down here on the evasive maneuver that it changed from minus 180 to 130 decrease. That's only 3 seconds of burn, but you could see that this thing was in its decrease position all the time, which is what we expected. We just left it alone during that short burn. We got the first gimbal motor off a little bit before I was able to confirm it, so we had to go through a little rain dance of turning that back on and then back off again. That took a little extra time, and we used up a little extra amp-hours out of the batteries, but the ground did confirm it or at least try to confirm that we did get that gimbal motor off. ## COLLINS ## 5.34 S-IVB SLINGSHOT MANEUVER Now, we never saw that. It seems like the attitude they gave us was not correct. ## ALDRIN It was quite a while before we picked up the S-IVB, and it was rolling with a little bit of oscillation, a little coning effect. It definitely had a good roll to it moving away. ## CONFIDENTIAL
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