Documents / Document

Apollo 11 Technical Crew Debriefing, Volume 1 (scan)

NASA via ibiblio · 1969-07-31 · 251 pages · text by GLM-OCR

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.

  • p. 224 …I started beating on it harder and harder and I managed to get it into the…
  • p. 246 …around because it would be that much harder to get back to that same state again…

Read from the scan by GLM-OCR; expect the odd misread word.

## CONFIDENTIAL

It still got colder and colder. Finally, Buzz suggested that we disconnect the water, which I did. I still got colder. Then I guess Buzz changed the temperature of the air flow in the suit.

## ALDRIN

Yes. We fell victims to a time constant. Once we noticed it going bad there wasn't anything we could do about it. In addition, because we were trying to minimize our activity and stay in some state of drowsiness, we didn't want to get up and start stirring around because it would be that much harder to get back to that same state again. So we tried to minimize our activity. We underestimated how much light was coming in through the windows. There must have been a significant amount of light and heat coming in and just being reflected off the surface. We had no feel for what gas-flow setting we should have had, because we'd been on the cooling all the time up to that point while moving around. I'm not sure that there's much control over that anyway. We finally disconnected the oxygen flow.

## ARMSTRONG

But that requires you take your helmet off, so that you can breathe when you turn the suit disconnects. This means that it gets noisy again, and all you hear is a glycol pump and stuff like that. This was a never-ending

## CONFIDENTIAL

About this file

Document, cited by the archive. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 251 pages are in the text index: search them above, or from the library's search.