Gemini 4 Experiment Debriefing, 1967
- Date
- 1965-06-03/07
- Place
- Low Earth Orbit
- Record
- Pentagon file
- Assessment
- Not assessed
- Evidence strength
What was reported
A 224-page experiment-focused Gemini 4 debrief (scientific/technical, question-and-answer format with ground personnel) covering airglow-layer photography and photometry experiments, rendezvous with the spent booster, and EVA hardware. Extensive discussion of the 'night airglow,' 'twilight glow' and 'day glow' bands is technical experiment data, not an anomaly. One passing exchange about approaching a tumbling satellite/booster and 'putting a man aboard' to inspect it discusses hypothetical future rendezvous procedure, not an actual sighting. No unidentified-object content was found in the sampled text.
What officials concluded
No conclusion stated
The file gives no official explanation.
- Agency
- NASA
- Released in
- 123456
Evidence profile
- Yes: Visual
- No: Infrared
- No: Radar
- No: Video
- Yes: Photo
- No: Film
- No: Audio
- No: Night vision
- No: Other sensor
- No: Civilian
- No: Military aircrew
- No: Military ground
- No: Airline crew
- No: Sensor operator
- No: Law enforcement
- No: Scientist
- No: Astronaut
- No: Intelligence official
- No: Other
- No: Light only
- No: Orb or sphere
- No: Disc
- No: Triangle
- No: Cylinder
- No: Cube
- No: Other shape
- No: Physiological
- No: Physical trace
- No: Electromagnetic
- No: Sound
- No: Silent
Why this rating No sighting or anomalous-object content found in the sampled sections; the recurring keyword hits are airglow-layer science experiment discussion and hardware/procedure Q&A, not observations of an unexplained craft.
As described in the file
- Sensors
- Visual, photometer/photography (airglow experiment)
Pentagon files
Gemini 4 Experiment Debriefing, 1967
Open the original on war.gov
What the file claims
- Unverified
The debrief's 'unidentified' reference found in the sampled text concerns whether a hatch-closing mechanical difficulty had been diagnosed, not a UAP sighting.