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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 I do think we need a better way of identifying the various packages that have this packing material wrapped around them, so that at a glance you'd know what is inside a certain roll. In many cases, there is nothing in it. In other cases, it's got an environmental container in it, or it's got the caps to the core tubes. In putting the extension handle on the core tube, the first one went on fairly cleanly and locked into position with a fairly high degree of confidence that it was not going to come out. I won't say that there was complete certainty that they were not going to come apart. I then picked up the hammer, went out into the vicinity of where the solar wind experiment was, and drove the first core tube into the ground. I pushed it in about 3 or 4 inches and then started tapping it with the hammer. I found that wasn't doing much at all in the way of making it penetrate further. I started beating on it harder and harder and I managed to get it into the ground maybe 2 inches more. I found that when I would hit it as hard as I could and let my hand that was steadying the tube release it, the tube appeared as though it were going to fall over. It didn't stay where it had been pounded in. This made it even harder because you couldn't back off and really let it have it. I don't know if we have any way of measuring the exact force or impact that ## CONFIDENTIAL
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.