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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.
“Harder”2 pages
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## CONFIDENTIAL joint that separated or thermal effects somehow weakened it; but it opened up and came loose from the pin. I was able to get the pin out by depressing the one side. Then by pushing it with my right hand and pushing it through, it came loose. Then I lowered it down to the surface and again it was quite easy to handle. The boom slid back in with no problem. I left the lanyards dangling out the bottom, pulled the retract lanyards, and the doors came back down and fitted together very nicely. The whole operation was quite smooth and I thought we got a little bit ahead in time in the deployment of these things. I picked up the two packages and we headed out to the minus Y strut looking for a relatively level area. Looking for level areas, I found it difficult in looking down at the surface and saying exactly what was level. I don't know what to attribute this to particularly. You don't have as good a horizon definition as on the earth. When you look out to the side, you've got a very flat area on the Moon. When you look out to the edges, you've got varying slopes. I think it's further compounded by the fact that with 1/6g, and a center of mass displaced considerably aft and up from where it normally is, your physical cues of supporting your weight are different. The result was that it was just a little bit difficult to tell what was level and what was sloping, either to one side or up or down. CONFIDENTIAL
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