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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Conrad
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Cooper
Conrad
time for a period of 6 hours , at least .
I am firml y convinced the first three orbits shoul d
be devoted onl y to wringing the spacecraft out .
There was a tremendous mistake made in the pl anning
on our f l ight. We assumed that everything was going
to run correctly in the very beginning. We didn't
even test anything but the thrusters and that was
a mistake. We had the time to make several systems
checks . You have to do a good platform check. You
need to check the scanners . You ought to have a de
tailed procedure laid out in advance. If we ' d have
done that, we'd have lmown that the primary scanner was
no good. You should have a computer check, which con
sists of going into Catch- Up mode, hitting Start COMP,
maybe inserting a few numbers and see what they read
out . We ran into one computer anomaly where the com
puter kept running and running and I still don't lmow
what that was.
Had that occured during the REP exercise we would have
really been up the creek.
That's right. In pre- mission planning we should lmow
what the most critical systems are to be checked. For
us there was the Platform, Computer and Scanners . One
of them bit us and that was the Primary Scanner. We

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