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This is the NASA Apollo 11 Technical Crew Debriefing dated July 31, 1969, prepared by the Mission Operations Branch, Flight Crew Support Division, and released by the U.S. Department of War. The confidential excerpts record Armstrong, Aldrin and Collins describing an unidentified bright L-shaped object seen about a day from the Moon, which they could not identify and suspected came from the spacecraft. They also describe light flashes inside the cabin and a bright light on Earth later attributed to reflection off a lake.
## CONFIDENTIAL It was during the period when we thought it was a cylinder that we inquired about the S-IVB and we'd almost convinced ourselves that's what it had to be. But we don't have any more conclusions than that really. The fact that we didn't see it much past this one time period — we really don't have a conclusion as to what it might have been, how big it was, or how far away it was. It was something that wasn't part of the urine dump, we're pretty sure of that. Skipping ahead a bit, when we jettisoned the LM, you know we fired an explosive charge and got rid of the docking rings and the LM went boom. Pieces came off the LM. It could have been some Mylar or something that had somehow come loose from the LM. ## ALDRIN We thought it could have been a panel, but it didn't appear to have that shape at all. COLLINS That's right, and for some reason, we thought it might have been a part of the high gain antenna. It might have been about the time we had high gain antenna problems. In the back of my mind, I have some reason to suspect that its origin was from the spacecraft. CONFIDENTIAL
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