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.

Mission Operation Report
No. M-913-65-04
MEMORANDUM June 1, 1965
To A/Administrator
From M/Associate Administrator for Manned Space Flight
Subject: Gemini Flight Number Four (GT-4) Additional Flight Activities
Subsequent to the preparation of the GT-4 Mission Operation Report several
new procedures and items of equipment have progressed to a stage of flight
readiness. Consequently, three significant additional flight activities are
now possible and have been included in the mission. These activities are:
extra vehicular activities (EVA); extra vehicular propulsion; and demonstration
of rendezvous with the booster second stage. Additional details of these
flight plan activities are provided in the attached supplement to the basic
report.
Enclosure:
MOR No. 913-65-04
Change 1
FOR INTERNAL USE ONLY