1976 Tehran Incident, DIA Report
DIA Defense Information Report documenting the Imperial Iranian Air Force F-4 intercept of an unidentified luminous object over Tehran, including reported electronic system anomalies.
The original photographs, video, audio, and supporting documents for this case are hosted by the originating agency. Direct embedding will be added to this page as the corpus is mirrored into our reference archive.
NSA, U.S. Government and the Iran Case ↗Official description
Defense Intelligence Agency Information Report (IIR), three pages, declassified August 31, 1977 under FOIA. Distributed at the time to the White House, Secretary of State, Joint Chiefs of Staff, NSA, and CIA.
Editor's context
One of the most thoroughly documented Cold War-era cases. Multiple radar tracks, two pilots, ground witnesses, and reported electronic-system effects. The document has been in the public domain for decades and is referenced widely in academic UAP literature. Listed here for completeness; was not part of the May 2026 PURSUE Release 1 specifically.
In the margins
Transcribed redactions, stamps, and handwritten markings, the paratext of the file. Often the most human part of a declassified document, and worth reading on its own.
- Stampp. 1DEFENSE INTELLIGENCE AGENCY, INTELLIGENCE INFORMATION REPORT
- Stampp. 1DECLASSIFIED, 31 AUGUST 1977
- Stampp. 1DISTRIBUTION: WHITE HOUSE / SECSTATE / JCS / NSA / CIA
- Annotationp. 1Subject line: 'Reported UFO Sighting'
- Annotationp. 2Source identified as: 'Iranian Air Force, F-4 pilot reports through DAO Tehran.'
- Redactionp. 2[DAO source name redacted under (b)(3) and (b)(6)]
Cite the primary source
Citations center the originating government agency and link to the official record. This archive is listed as the access point, not the author.
U.S. Department of State. "1976 Tehran Incident, DIA Report." Released via PURSUE program, 1977-08-31. File ID: DIA IIR 6 846 0139 76. https://www.nsa.gov/portals/75/documents/news-features/declassified-documents/ufo/us_gov_iran_case.pdf. Accessed 2026-05-12 via Social Media for Aliens archive, https://socialmediaforaliens.com/files/state-dept-1976-iran.
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