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Gemini 4 Experiment Debriefing, 1967

National Aeronautics and Space Administration · 1965 · 224 pages · text from the file's own layer

This NASA file from 1965 combines Mission Operation Report M-913-65-04 on the Gemini 4 (GT-4) flight with related correspondence. Memoranda from the Associate Administrator for Manned Space Flight describe the planned four-day mission with James McDivitt and Edward White, including a spacewalk, a rendezvous with the booster second stage and thirteen experiments. Later letters and telegrams from NASA's Manned Space Science office concern the astronaut debriefing and requests for GT-4 photography and film for scientific analysis.

From the source:Release of 2026-06-12 Incident: June 3-7, 1965, Low Earth Orbit. Gemini IV was the second crewed mission of the Gemini series. Astronauts James McDivitt and Edward White successfully completed the four-day flight between June 3 and June 7, 1965. The mission included the first American spacewalk. This collection of documents contains a transcription of the astronauts recounting their observations of bright particles outside the spacecraft, dated circa June 25, 1967, on pages 78-81, and page 101.

  • p. 2 …Gemini Flight Number Four (GT-4) Additional Flight Activities Subsequent to the preparation of the GT…
  • p. 3 M-913-65-04 ADDITIONAL GT-4 FLIGHT PLAN ACTIVITIES Three additional special engineering and operational…
  • p. 4 …using a maneuver which will place the Gemini spacecraft on an orbit with a predicted lifetime…
  • p. 8 …Gemini Flight Number Four (GT-4) GT-4, the fourth in a series of twelve planned…
  • p. 9 …M-913-65-04 MISSION OPERATION REPORT GEMINI FLIGHT NUMBER FOUR (GT-4) OFFICE OF MANNED…
  • p. 11 …5/24/65 M-913-65-04 GENERAL Gemini Flight Number Four (GT-4) is the…
  • p. 13 …Gemini MOR 1 s and what follows is additional information concerning modifications made to GLV-4…
  • p. 17 …M-4 IN-FLIGHT PHONOCARDIOGRAM PROTOTYPE PHONOCARDIOGRAM TRANSDUCER AND SIGNAL CONDITIONER FIG . 8 GEMINI EXPERIMENT NO…
  • p. 21 M-913-65-04 ASTRONAUTS The Command Pilot for the GT-4 mission will be James…
  • p. 23 …first apogee of GT-4 will be 161 miles. The Gemini launch sequence is shown in…
  • p. 26 M-913-65-03 TABLE IV GT-4 CONSUMABLE LOADINGS ITEM QUANTITY REMARKS Batteries OAMS Propel…
  • p. 28 …ground support network for GT-4 wi 11 be the Gemini Manned Space Flight Network (MSFN…
  • p. 30 M-913-65-04 BACKGROUND Project Gemini is the stepping stone between the comparatively simple one…
  • p. 134 …25, 1965 THE HowItWenton Gemini's4thDay On thew Gemini 5 spa.ce- 43d Orbit--4:50…
  • p. 135 …24, 1965 THE WASHI lGTON POSTA6 GEMINI-From Page Al Gemini MakesPrecision Maneuvers NASA Photo from…
  • p. 165 …2 FROM MG/Deputy Director , Gemini Program SUBJECT: Technical Analysis of Gemini (GT- 4) Photography ~ The…
  • p. 170 …2 FROM MG/Deputy Director, Gemini Program SUBJECT: Technical Analysis of Gemini (GT-4) Photography The…
  • p. 176 …These prints pertain mainly to the S-5 and s-6 Gemini xperimenta. Jocelyn R. Gill…
Belt 18
Is the sunset more billiant than the su..'trise?
Yes.
Contrast-wise?
Right .
How about the elongation?
Wait a se ond. When you say it's really . . .. . ... .
That was brightness .
Sunrise 1s more brilliant.
Sunr1se is more brilliant. Up it comes .
See i t's dtirk a nd then the next thing it ' s light. It's really light.
Sunset seems to t ake longer and the gradation-
And more color.
More colorful.
What about the elongation and latitude? Is there a difference in sunset and
Does the s un squash down elliptical?
No. It doesn ' t move. It goes so . . . You .know .. . It takes about 4 seconds
to r everse the whole thing there and it ' s so bright, you don ' t notice it
squashi ng ..... .. ... . Did you?
No, I didn ' t . No, I ' ve seen a lot of peculiar sunsets and moonsets; the
s un l'tnd moon have ear s on them and t hings like that-
It' s a.11 du to t he t hi ·k amount of atmosphere that you're going in.
It all go s pretty quickJ.y and I didn ' t notice that the sun came up in
any different shape was set, but it may have .
You know, one t hing on t he f ilms when you see them, the bottom pa.rt looks
like the rcfle t i on o something, either in the lens or - I don't think

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Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. 224 pages are in the text index: search them above, or from the library's search.