Documents / Official release
This Federal Bureau of Investigation Seattle field office file (100-18945) gathers flying saucer material from 1952 to 1960. It holds newspaper clippings, citizen complaint forms and agent memoranda about sightings over Pasco, Kennewick, Seattle, Richland and the Hanford reservation, Spokane and other Washington locations. The file records 1952 agreements with military intelligence on passing reports to OSI and the Air Force. One Hanford sighting from 1953 was attributed to a meteorological balloon. The FBI itself carried out no investigations.
From the source:Release of 2026-06-12 Incident: July 1952-1960, Washington State, United States. 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.
“Headquarters”8 pages
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# Office Memorandum UNITED STATES GOVERNMENT TO : RAC DATE: 6/27/55 FROM : SA Robert M. MacNamara ATT: SA L. DUCOMMUN SUBJECT: UNIDENTIFIED OBJECT IN SKY 8:50 PM 6/27/55 RAYMOND KENT, (EL4341) Virginus Hotel, 804 Virginia telephonically contacted this office and reported that at approximately 8:50 PM this date while standing in front of the Virginus Hotel that he observed an unidentified object in the sky. It had no definite form and had a silver glow. The object was heading south parallel to the coast. It was on an elevation of 45 degrees. Mr. Kent added that before calling that he contacted the Air Force at Boeing Field and they treated the matter as a joke and told him to call the FEL.
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 55 pages are in the text index: search them above, or from the library's search.