Documents / Official release

Preliminary Gemini 4 Crew Debriefing, Part II, 1965

National Aeronautics and Space Administration · 1965-06-09 · 290 pages · text from the file's own layer

This is a preliminary transcript of Part II of the Gemini 4 (GT-4) flight crew debriefing, prepared by NASA's Spacecraft Operations Branch, Flight Crew Support Division, and dated June 18, 1965. The debriefing began aboard the recovery ship USS Wasp and ended at the Manned Spacecraft Center. In it, astronauts McDivitt and White discuss how the spacecraft systems performed, including the platform, OAMS, RCS and control modes. They also cover operational checks, visual sightings, experiments, mission planning and training, and give recommendations for future crews.

From the source:Release of 2026-06-12 Incident: 6/9/65, North Atlantic Ocean. This document is a preliminary transcript (Part II) derived from voice recordings of the Gemini 4 flight crew debriefing taken aboard the recovery ship, USS Wasp, on June 9, 1965. Part II of this document contains the “Visual Sightings” section of the debriefing (pages 196-224), where astronauts James McDivitt and Edward White describe their observations while aboard the spacecraft.

  • p. 6 …0 MISSION CONTROL 13.1 GO/NO GO ' s ............. .. .............. .... ........... 249 13 . 2 PLA and CLA Updates…
  • p. 92 86 McDivitt White McDivitt and near the end of the mission, we were down to 12…
  • p. 257 249 13.0 MISSION CONTROL 13.1 GO/NO GO 's McDivitt Okay. Mission Control. Mission…
  • p. 262 …Mission Control System. I think the Mission Control on this flight was nothing short of excellent…
  • p. 263 …0 TRAINING 14.1 Gemini Mission Simulator McDivitt Okay. Over on Training now. The first topic…
McDivitt
White
McDivitt
White
83
for one time when they called us up and told us
we wer e 190 amp- hour s , I think it was 190 amp
hours , over--
That was after we turned the computer off. I
wanted to find out why we turned the computer off
and if we were really short on electrical power .
Then they told me we were 160 amp-hours over the
200 amp-hours cushion. I almost went throught the
overhead .
I think I'd like to have had a little more infor
mat i on from the ground on the status of our elec
trical system. The mai n batteries--I have a com
ment on them. They started out with a charge of
about 24 volts and progressively decreased to the
point where I was a hair concerned about them.
They progressed down to the 22 . 5 reading and
began to shade lower than that near the end of
the mission . I was using the parallax to be sure
I had a satisfactory reading on t he gages each
time . I noticed they decr eased down to a minimum
of 22 . 5. Maybe it got to 22 but it was getting
near t he end of the mission.
Ha , ha ! Maybe 22 .49 .
Just the way I 'd lean my head I could get the

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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 290 pages are in the text index: search them above, or from the library's search.