NASA-UAP-D6, Apollo 17 Technical Crew Debriefing, 1973

Plain-English Summary

• What happened:Apollo 17 was the ninth crewed U.S. mission to the Moon, and the sixth to land Astronauts on the lunar surface. This document is an excerpt from the Apollo 17 Technical Crew Debriefing on January 4, 1973, in which astronaut Harrison Schmitt reported seeing light flashes. • Page 24-4. [Lunar Module Pilot Harrison Schmitt]: “We had light flashes just about continuously during the whole flight when we were dark adapted. I had one which I thought was a flash on the lunar surface. That one period of time when we had the blindfolds on for the ALFMED [Apollo Light Flash Moving Emulsion Detector] experiment there were just no visible flashes, although that evening, that night, before I went to sleep, I noticed that I was seeing the light flashes again.”
• Who reported it:NASA
• What evidence exists:document
• What the government says:Apollo 17 was the ninth crewed U.S. mission to the Moon, and the sixth to land Astronauts on the lunar surface. This document is an excerpt from the Apollo 17 Technical Crew Debriefing on January 4, 1973, in which astronaut Harrison Schmitt reported seeing light flashes. • Page 24-4. [Lunar Module Pilot Harrison Schmitt]: “We had light flashes just about continuously during the whole flight when we were dark adapted. I had one which I thought was a flash on the lunar surface. That one period of time when we had the blindfolds on for the ALFMED [Apollo Light Flash Moving Emulsion Detector] experiment there were just no visible flashes, although that evening, that night, before I went to sleep, I noticed that I was seeing the light flashes again.”
• What remains unclear:Not provided in source.

Key Facts

Title

NASA-UAP-D6, Apollo 17 Technical Crew Debriefing, 1973

Release

Release 01

Release date

2026-05-08

Incident date

1973-01-01

Agency

NASA

Location

—

Location precision

unknown

Status

unknown

Source domain

war.gov

Source Documents

• pdf

  Source document
  Cached copy ↗Originalwww.war.gov↗

Media Gallery

• thumbnail
  Thumbnail
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Skeptical / Mundane Explanations

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What we still don't know

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