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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.

2. D-6, Surface Photography
This experiment wi 11 investigate
the technical problems associated
with an astronaut's ability to
acquire, track, and photograph
terrestrial objects from a space
craft with more elaborate photo
opti ca I equipment than that used
previously. The astronaut will
photograph selected series of
objects during day-side and
night-side intervals of the flight
using specified Iens-fi Im combi
nations. The resulting data wi 11
be used to eva Iuate the astronaut's
ability to maintain object-camera
orientation by maneuvering the
spacecraft. Figure 4 shows the
camera mount installed on the
spacecraft window.
3. D-8, Radiation in Spacecraft
Data from this experiment will be
used to supplement external radi
ation measurements in studying
the dose levels within the space
craft resulting from passes through
regions of varying radiation
intensity. Two tissue-equivalent,
current-mode ionization chambers
wi 11 be used to measure the
variation of absorbed dose-rate
inside the spacecraft. Five
small packets containing radia
tion detection and measurement
devices will be placed at
various locations in the cabin
to ascertain their suitability as
convenient dosimeters of space
radiation and measure total
accumulated dose. Figure 5 shows
some of the equipment to be used
for this experiment.
M-913-65-04
0-6 SURFACE PHOTOGRAPHY
FIG. 4
D-8 RADIATION IN SPACECRAFT
(PORTABLE UNIT)
FIG. 5
5/24/65 Page 5

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