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…
267
White
McDivitt
bit early and that's where Ed got his first
clue tr·at the TRS was ahead of the other thing.
I didn ' t notice it because I wasn ' t watching my
event timer that closely. Ed got his GMT sto¥
watch started . Why don I t you go ahead with the
electrical , Ed?
I turned the main batteries on, verified them
on, and verified t hey were taking the load .
They were in good shape .
This is where we turned the OAMS off and the
RCS on. Let me talk about the checkout on the
RCS now . We had armed the RCS prior to the
TR- 36 Checklist, and checked out each ring.
When I was checking the rings out , I felt that
I might have a thruster out . That was because
when I pitched up or down, my top left yaw
thruster was firing in one ring. I felt that
I might be generating a rolling moment by
having one of my pitch jets out and the yaw
jets were having to take out this rolling moment .
I checked it in one ripg. I don't remember
whi ch ring it was . I went to Direct 8lld did
it again. It didn ' t seem to do it , but on the

Cases discussed

About this file

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.