Night Ledger

Record 085 · September 1976

Defense Intelligence Information Report on Tehran UFO Incident

Defense Intelligence Agency · United States

Ledger illustration of the record — not a scan of the original paper. — Night Ledger illustration of the file

ReportDeclassified

At approximately 0030 on 19 September 1976, the IIAF command post received multiple civilian reports of strange lights or a helicopter-like object over northern Tehran. Two F-4 interceptors were scrambled from Shahrokhi Air Base. The first F-4 lost all communications and instrumentation when closing on the brilliant object at 40 nautical miles; systems returned after turning away. A second F-4 experienced similar interference. The object released a smaller bright object that pursued one aircraft before returning to the main body. The main object then climbed rapidly out of sight. Ground radar also tracked the objects. The report notes the extreme brightness, radar and visual correlation, and systems interference as significant. A DIA evaluation appended to related copies rates it highly for a valid UFO study due to multiple credible military witnesses, radar data, and electromagnetic effects.

Public file: National Archives / The Black Vault

Related paper

FOIA / archiveUnclassified

2023–2025

Records from the Office of the Secretary of Defense Relating to Unidentified Anomalous Phenomena, October 1, 2023–2025

National Archives and Records Administration (NARA) / Office of the Secretary of Defense · United States

This Record Group 615 collection at the National Archives aggregates declassified and unclassified U.S. government records on UAP, technologies of unknown origin, and non-human intelligence (explicitly excluding ordinary non-attributed objects), produced in response to the 2024 NDAA.

FOIA / archiveDeclassified

August 2026

PURSUE Release 05: Declassified UAP Files (August 2026 tranche)

Department of Defense / Department of War · United States

Fifth tranche of the Presidential Unsealing and Reporting System for UAP Encounters (PURSUE), releasing 41 additional files including historical documents from 1953 onward, videos of orbs and spheres, digital renderings, and investigative PDFs from FBI, DoD, and other agencies. Materials cover global sightings and analyses but attribute most to explainable phenomena or unresolved due to limited da

FOIA / archiveDeclassified

August 2026

PURSUE Release 05 (August 2026 UAP Files)

Department of Defense · United States

This tranche of the Presidential Unsealing and Reporting System for UAP Encounters (PURSUE) releases additional historical and modern UAP-related documents, imagery, and sensor data from multiple agencies as part of a rolling declassification effort. Materials include reports of orb-like phenomena, sensor data from military platforms, and archival records. Consistent with other PURSUE releases and