Source Documents

Complete reference list of mission reports, transcripts, interviews, and archival materials related to the Gemini XI UFO investigation.

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Mission Documents

GXI Mission Report

PDF • 8.7 MB • Modified: Nov 27, 2024

Official Gemini XI mission report. Referenced for battery cell failure at hour 54:31.

GXI Technical Debrief

PDF • 7 MB • Modified: Dec 6, 2024

Post-mission technical debriefing. Contains pilot Gordon's confirmation of sighting an "anomaly" after battery cell failure (pg. 167).

Mission Transcripts

GXI TEC Transcript

PDF • 7.2 MB • Modified: Nov 26, 2024

Technical transcript from Gemini XI mission. Documents D-15 experiment beginning at hour 54:32:12, pilot reports of unidentified phenomena, and Conrad's question about tape recorder at 54:52:17 following 6 minutes of silence.

GXI PAO Transcript

PDF • 26.3 MB • Modified: Nov 26, 2024

Public Affairs Office transcript from Gemini XI mission.

GX TEC Transcript

PDF • 7.2 MB • Modified: Feb 7, 2025

Technical transcript from Gemini X mission. Contains evidence of transcript censorship (23:50:36).

Interviews & Historical Documents

Underwood Interview

PDF • 365 KB • Modified: Nov 26, 2024

Interview with Richard W. Underwood, who was in charge of all space photography processing for NASA at the time, including all Gemini XI photos. Underwood had special military clearances and had flown Lockheed's U-2s in the 1950s for intelligence-gathering purposes.

Corso 1997

PDF • 1.4 MB • Modified: Dec 15, 2024

Documentation related to Col. Philip Corso's allegations of involvement of the clandestine U-2 program with UFO documentation and recovery.

NYT_Simpkinson

PDF • 681 KB • Modified: Dec 2, 2024

New York Times obituary for Scott H. Simpkinson, documenting his role as one of NASA's first engineers and his leadership in the Gemini program.

Featured Resources

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D-15 Full Footage

Complete National Archives footage from the D-15 experiment, containing multiple frames with unidentified aerial phenomena.

Select D-15 Frames

Curated selection of D-15 frames showing anomalies, including frames 15195, 15406, 15535, 15552 that match the Simpkinson Archive UFO appearance.

Ed Wilson's Publications

The Simpkinson NASA Archive UFO

Ed Wilson's first book on the investigation and analysis of the Simpkinson UFO.

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Hidden Under Our Nose

Ed Wilson's second book on the Simpkinson UFO case.

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The Simpkinson NASA UFO

Ed Wilson's third book on the investigation and analysis of the Simpkinson UFO.

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