Documents / Official release
This section of the Federal Bureau of Investigation's flying saucer file 62-HQ-83894 holds FBI correspondence from 1957 to 1966. It includes a November 1957 memo saying Air Force Intelligence found the post-Sputnik sightings nonauthentic, and a Havana report of a hat-shaped disc over Matahambre, Cuba. It also has inquiries into Robert T. Stone's Inter Continental Aerial Research Foundation, a Torrington, Connecticut sighting referral, and replies to members of the public. The replies say UFOs are not within FBI jurisdiction and refer writers to the Air Force.
From the source:Release of 2026-05-08 Incident: N/A, N/A. The FBI's 62-HQ-83894 case file includes investigative records, eyewitness testimonies, and public reports concerning Unidentified Flying Objects and flying discs documented between June 1947 and July 1968. The records include high-profile incident accounts, photographic evidence from sites like Oak Ridge, TN, and technical proposals regarding potential propulsion systems. Additional topics include convention programs, researcher accounts, and extensive media coverage from the period. This file is partially posted on FBI vault with more redactions and some pages missing. Included here is the complete case file with several newly declassified pages and only minor redactions.
I • • I stated in effect, 11 \Ie are ealling all key and responsible people on this matter11 , after the caller had established that he was speaking with~~ . Stringfield, which call was placed to Mr' . Stringfield ' s place of employment , mentioned above , telephone GA 1-5100 . The caller would not identify himself, and in the phone call alerted Mr . Stringfield to expect, 11 the biggest flury of unidentified flying objects sightings as a result of Russian nuclear explosions in the one hundred megaton range 11 Mr . Stringfield advised that the caller said• to be prepared when confusion begins resulting from these sightings. The caller related that these sightings would be seen between certain dates, and that to the best of Mr' . Stringfield ' s recollection, the caller stated, 11 Mark these dates, October 15 to October 19, during which will be the greatest incident in UFO ( Unidentified Flying Objects) activity over the years 11 • According to Mr . Stringfield, the caller remarked further, 11 1 1 11 remain in touch with you, and will call back after the nineteenth11 • Mr' . Stringfield advised that the caller refused to identify himself , and according to~~. Stringfield seemed to speak intelligently in the message he had to relate to Mr . Stringfield . Mr . Stringfield advised that he was concerned about this telephone call in that if there were any truth in the matter, and if such sightings should occur, that it may cause panic among the populous in this country, and that further, that the caller seemed to speak very seriously, and there was no indication in the caller's voice or message to indicate that it was a joke or a prank . ~~ . Stringfield advised that it is not unusual that he receives telephone calls concerning unidentified objects , inasmuch as he , Stringfield, is authorized to report sightings of unidentified objects to the headquarters, Air Defense Command, at Columbus, Ohio . He stated further that it is not unusual that he might receive such a call inasmuch as he is pub l iclJ known as a per son who is interested in matters relating to unidentified flying objects . Mr . Stringfield advised that he is an advisor to the Nati onal Investigations Committee on aerial phenomena, which committee is located on Connecticut -2-
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Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. 290 pages are in the text index: search them above, or from the library's search.