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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 It's very easy to see in the shadows after you adapt for a little while. When you first come down the ladder, you're in the shadow. You can see everything perfectly; the LM, things on the ground. When you walk out into the sunlight and then back into the shadow, it takes a while to adapt. ## ALDRIN In the first part of the shadow, when you first move from the sunlight into the shadow, when the Sun is still shining on the helmet as you traverse cross-Sun, you've got this reflection on your face. At this point, it's just about impossible to see anything in the shadow. As soon as you get your helmet into the shadow, you can begin to perceive things and to go through a darkadaptation process. Continually moving back and forth from sunlight into shadow should be avoided because it's going to cost you some time in perception ability. We'll start here with the flag installation. It went as planned except that the telescoping top rod could not be extended. Both Buzz and I operating together were unable to put enough force into extending the rod. It appeared to just be stuck and we gave up trying. So # CONFIDENTIAL
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