Documents / Official release

Gemini 5 Technical Debriefing, Part II, 1965

National Aeronautics and Space Administration · 1965 · 325 pages · text from the file's own layer

This is a preliminary Part II transcript of the Gemini 5 (GT-5) flight crew debriefing, prepared by the Spacecraft Operations Branch of NASA's Flight Crew Support Division and dated September 2, 1965. It records astronauts Cooper and Conrad at the Crew Quarters, Cape Kennedy. They discuss how the spacecraft systems worked, including the platform and the OAMS thruster failures. The transcript also covers operational checks, visual sightings, experiments, training, premission planning, and medical aspects. It was originally classified Confidential.

From the source:Release of 2026-06-12 Incident: August 30 - September 2, 1965, Cape Kennedy, Florida. This document is a preliminary transcript (Part II) derived from voice recordings of the Gemini 5 flight crew technical debriefing. NASA conducted this debriefing between August 30, 1965, and September 2, 1965, at the Crew Quarters, Cape Kennedy, Florida. Astronauts L. Gordon Cooper and Charles “Pete” Conrad described observing debris and “snow” and “all sorts of glittering pieces of this, that and the other thing” in the “Visual Sightings” section of the document (pages 157-220).

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I could. I didn 't think we were in that much
trouble for electrical power. I still think it
was a mi stake be cause I think even with a couple
of blankets out, if we'd have kept the ,3ystem warm
wi th the rest of the heaters, we'd have never froze
them up.
Cooper 'llie thrusters themselves were actually ·vorki ng
because you could actually get a glow off of them.
There was a little bi t of fuel or oxidiier coming
out of it and burning , but it wasn't getting the
proper amount of mi xture ratio.
Conrad Now, they could have been dirty. That :ould be it,
but it was purely in the valves i n the thrusters
themselves because they were putting out thrust
even at the end. I f you wanted to hold it i n full
D:Lrect wi th 7 and 8 circuit breaker e ngs.ged , you
were getting wet f uel thrust.
Cooper Yes . You were getti ng a little wet thr~st.
Conrad let's go into how the whole thing occurred. We
had shut the heat er down a long time ago and we
really hadn't agreed wi th that, but there wasn't
much we could do about it. We were i n the mi ddle

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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 325 pages are in the text index: search them above, or from the library's search.