UNCLASSIFIED // PUBLIC RELEASERELEASE 03 · JUNE 12, 2026

PENTAGON UFO FILE · DOCUMENT · FBI-UAP-D013

Washington State ‘UFO’ Investigation, 1952-1960

FBIIncident: July 1952-1960Washington State, United States27 MB

This file details an investigation of various sightings of Unidentified Flying Objects (UFOs) in Washington state between July 1952 and August 1960. This file includes memoranda and correspondence between the Federal Bureau of Investigation and the U.S. Air Force regarding UFO sightings.

Official file on war.gov Archived copy

Related on this site

The description is the government’s own, from war.gov/UFO, released on June 12, 2026. The Pentagon calls these unresolved cases — publishing a file does not mean it shows anything anomalous.

Last updated October 13, 2026