Gemini 4 Experiment Debriefing, 1967

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.

Iklt 18 1 ,a
.. , • .. ,.,, . <lce-p Sl1 1i<1a , t, ·•hlnd Lhe du()t·, J)laC !,';$ like that .
Were Coop ~r rind. :·;ch.lrru ln the rlayt 1me?
Sor t of date - low.
Could you see t hat also?
What di d t hey describe as the basis?
They...... the sky had u brightne s s t o it ..... above t hem .
And when Cooper woke up , he was mostly in the daytime. He (not iced)
out on t he wi ndow he knew i t was dayt ime right away .
. . . . . . . . . . . . . . . . . . . . . . . . . . . Ha Ha Hu .
I could t ell by up a nd down .......... .
I tell ya , I woudn ' t be uh I would hesit ate that there was actually
phenomena like duy glow because it might be uh .... You could liik out
the window and whether you 're at night or in the dayt i me . But it
may (not ) have anything Lo do with what 's out there . It might not
have anything to do with t he space craft.
You 1 ve got t wo windows, anyhow . You can tell whether you 're....... .
There 1 s more to it than t hat. You know you' ve got a b ig long nose