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.
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## 'FLYING SAUCER' SEEN OVER CITY A "flying saucer" that hung motionless for nearly five minutes, then streaked away, was observed Sunday over South Seattle by several persons. Arthur Owley, 4430-49th Ave. S., who was a major in an anti-aircraft artillery unit during World War II, said the object appeared to have four sources of light. Owley and two friends observed it through binoculars. Owley said the saucer moved extremely fast after hovering for a while and it disappeared in a matter of seconds. SEATTLE POST INTELLIGENCER PAGE 3 COL 6
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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.