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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 cards might prevent someone from making the same error that I did in loading the tape for ascent. On the data card, we've got the PDI pad, which is referred to somewhat during descent. It has PDI aborts on it with a NO PDI plus 12 abort on the right side. I think that the NO PDI plus 12 abort would be better placed on the back of this altitude card because, once you ignite, you're through with that NO PDI plus 12 abort and you ought to get it out of there. In its place, I think the T-2 abort pad should be on the data card because when I started to load P12 with NOUN 33 (the TIG for this T-2 abort, which is PDI plus 23), I loaded the TIG for the NO PDI plus 12 abort, and the ground caught me on it and said, "You loaded R-2 wrong." Instead of loading 10254 29, I loaded 10244 27. Now, the two are pretty close and they both say TIG NOUN 33. So, I think if we can get that one abort (NO PDI plus 12 abort) out of there and put the other one in its place, it'll save someone from coming up with the same sort of thing. We got remote control back to ATTITUDE HOLD and AGS, OFF and then cycled the Parker valves again. After having seen the erroneous talkback indications, I was expecting ## CONFIDENTIAL
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