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.

<>n uorir-d Slc to sec so well. AgEr i .n i. t may be: 1:t question of time
(darkmcntation) perhaps not that much more t ime but uh , . . .
t hey were ge tting d own to uh, the kinda of sensitivity . .. that uh,
should be possible under , under good conditions of dull a tmosphere .
Uh, should we mention a nything (about) the window (pane ) and uh, . .
to hear more about it, the question on did uy, White smear someth i ng on
Lhe window or tak e something o:ff w:i L:h ld s elbow or somethi ng. It appeared,
rcom what w(~ heard, thn.t he tood sometl1:i ng oJ'.L' there h~s been some
nr:cumu.11;1 t i on ( 't) them ::.w:lt Le ring tile mc1' little particles which
1u ·c; brou~hL or- ::a)lll\:tltJ np: wl1i<:li wo11lcl get in tlic light t he place where
he moved it :md. again j t lol)k ed. I\u t 1cl'ter nll the cockpit inside is