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.

I
Belt 17 11
,L.LOfli--'. the 1,url:r. on'!
You ,::an sec, the curvatu('(; :ln the horizon whe:n you ' re just l ooking out the
window of the spacecraft. And then when you're looking out there you see-
0. K. then, yo~ could ~ompare one part of the horizon to another to look
for variations.
Yes .
In dnyligb t .
Yes.
You <:ould sec a great deal o.r t he horizon out the window
Did it look all t he s f.i.me - uniform - or did you find a ny variations?
No, I did n 't. It looked just the r;l).me - like three more piece s of dough
What about stars i n t he daytime'!
didn ' t see any outside . /\nu I d.jdn 't specifically try to chaff myself
t o do t hat.
. . . . . . scattered light
It was ver y bright out there and I even looked in the shaded areas which
we ren 't shaded deed shnde but behind t he door , places like that. Were
Cooper and :·ic.:hi r.ra i n the d.::tyti!ne '! Go.w a dayel ow.