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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 ## 8.2.2 Power transfer activation and checkout I transferred to LM power at 95:54. We did enter the LM right on schedule. We didn't get ahead. I think we had built up enough confidence in the activation procedure by having done this many times in the SIM's. Gene Kranz wanted to run as many of the DOI and PDI SIM's as we could, starting right from activation, and I think it was a good thing that we did. Leaving the simulator run, we found that we had plenty of time to go out and get a cup of coffee or make a phone call and get back in again. Having gone over this many times, we had the confidence to go ahead and not try to jump ahead. I think that things worked out quite well. We were gradually, comfortably getting 15 to 20 minutes ahead. I'd liked to have delayed going to the high-voltage taps and activation. Page 19 says to go ahead and do that and get the bus voltages below 27, but they weren't. I don't recall the exact time in the checkout when they did begin to approach 27. I think it was during the circuit breaker activation when we put everything on the line. It was about that time that the voltage ## CONFIDENTIAL
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