Documents / Official release

Preliminary Gemini 4 Crew Debriefing, Part I, 1965

National Aeronautics and Space Administration · 1965-06-09 · 340 pages · text from the file's own layer

This is a preliminary transcript of Part I of the Gemini 4 (GT-4) flight crew debriefing. The Spacecraft Operations Branch of NASA's Flight Crew Support Division prepared it on June 16, 1965, from recordings of the debriefing held aboard the USS Wasp on June 9, 1965. In it, astronauts McDivitt and White describe the mission from an operational viewpoint, covering countdown, powered flight, insertion, orbital operations, reentry, landing and recovery. According to the preface, visual sightings were left for a later part.

From the source:Release of 2026-06-12 Incident: 6/9/65, North Atlantic Ocean. This document is a preliminary transcript (Part I) derived from voice recordings of the Gemini 4 flight crew debriefing taken aboard the recovery ship, USS Wasp, on June 9, 1965. Astronaut Ed White recounts seeing “sparkles” during the flight.

  • p. 264 …We performed the P~e r etro Checklist well in advance of when it was supposed…
  • p. 267 …I set the event timer up well in advance of Carnarvon . At Carnarvon, I got the…
  • p. 273 …So we went through what we could in advance of T -5. The things we couldn…
  • p. 278 …You punched the SEP OAMS. We heard the bang. He followed wit h a SEP ELECTRIC…
  • p. 279 …advance. " So , I armed retro squibs , and we discussed whether or not to punch off the…
McDivi tt
White
McDivitt
us on it . We could switch over t o it quite
quickly . This wasn't on the checklist , but
we put my switch on RECORD and recorded the
whole sequence of events.
That ' s right . I t hink that was sort of a
needless position . You could l isten on HF
without having the transmitter on .
That was the only discrepancy t hat I fow1d in
our checklist . Everything else we went through .
One other t hing. They had , "Insert a new
voice tape , " and we both felt we wanted the
full reentry on one tape . If we put a new
voice tape at this time we wouldn ' t have
gotten it . So , I inserted a new voice tape at
the Minus 36 Checklist and I think this is a
good time to do it on future flights .
Yes, the TR-36 Checklist was to be done over
Carnarvon. We decided that we would check the
maneuver thrusters prior to Carnarvon since
we had a lot of time . There was no sense in
waiting until t he checklist time ca.me around .
Since we had a lot of time , which was the
thing I was striving for , I went ahead and
COl\lftD·EN--T~L

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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 340 pages are in the text index: search them above, or from the library's search.