NASA-UAP-D018, Gemini 4 Experiment Debriefing, 1967
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.
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Document Intel
Source status, provenance, and extraction context.
- Source
- War.gov PURSUE
- Type
- Report
- Classification
- Unclassified
- Agency
- NASA
- Reference #
- RELEASE-03-FILE-064-NASA-UAP-D018-GEMINI-4-EXPERIMENT-DEBRIEFING-1967
- Published
- 2026-06-12
- Content Type
- application/pdf
- Pages
- 224
Structured Analysis
Claims and source material extracted from the document text. Timeline context is surfaced in document intel.
Gemini IV was the second crewed mission of the Gemini series.
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.
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.
The mission included the first American spacewalk.
The G4C suit has new features including a triple lens shield for visual, thermal, impact, and micrometeorite protection.
The G4C suit has the following new features: a. Helmet -incorporation of triple lens shield (visors) for visual, thermal, impact, and micrometeorite protection.
The Gemini IV mission was intended to further demonstrate manned space flight for a period of four days.
This GT-4 mission is intended to further demonstrate manned space flight for a period of four days, the longest ever flown by two astronauts.
Chronology extracted from the document text.
Astronauts recount observations of bright particles
Astronauts recounted their observations of bright particles outside the spacecraft.
Completion of Gemini IV mission
The Gemini IV mission was completed after a four-day flight.
Launch of Gemini IV
The Gemini IV mission was launched from Complex 19 at the John F. Kennedy Space Center.
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Release 03 Documents
Other War.gov PURSUE files in this release.
document · NASA · 6/9/65NASA-UAP-D016, Preliminary Gemini 4 Crew Debriefing, Part I, 1965
document · NASA · 6/9/65NASA-UAP-D017, Preliminary Gemini 4 Crew Debriefing, Part II, 1965
document · CIA · July, 2008CIA-UAP-017, Placement on High Alert Due to Perceived Aggressive Foreign Posturing
document · Department of WarDOW-UAP-D084, US Army-Flying-Saucer-Study_1949
document · FBI · 2022FBI-UAP-D002, FD-1057, Unresolved UAP Report, Colorado Springs, 2022
document · FBI · 2022FBI-UAP-D003, Digital Rendering, Unresolved UAP Report, Colorado Springs, 2022
document · FBI · 2026FBI-UAP-D009, FD-302-67, “Northeastern Orb Sighting,” 2026
document · FBI · 2025FBI-UAP-D010, FD-302-71, “Northeastern Orb Sighting,” 2026