Documents / Official release
This Federal Bureau of Investigation file section, 62-HQ-83894 Section 6 (serials 246 to 301), collects FBI memoranda and correspondence from 1950 to 1952 on flying saucers. It covers green fireballs and discs seen near sensitive installations in New Mexico, Dr. Lincoln LaPaz's analysis, and the Air Force's Land-Air study known as Project Twinkle. It also holds an OSI summary, a USAF directive on reporting unconventional aircraft, a dissolving object reported by Philadelphia police, and letters from members of the public.
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.
“Office of Special Investigations”19 pages
# DEPARTMENT OF THE AIR FORCE HEADQUARTERS UNITED STATES AIR FORCE WASHINGTON 25. D. C. 28 MAY 1852 Honorable J. Edgar Hoover Director, Federal Bureau of Investigation U. S. Department of Justice Washington 25, D. C. Received from OSI Date 2011/07/14 Flying Saucers ATTN: Mr. N. W. Mulcox, Liaison Agent RE: Unidentified Aerial Object Sighted General Area Ritchie Highway, South Baltimore, Maryland, 10:45 PM, 29 Mar 52 by Donald Stewart, 2241 Warren Avenue, Baltimore, Maryland Dear Sir: There is attached for your information a copy of a report by Special Agent Boyce Royal of this office dated May 12, 1952, in regard to the captioned subject. Your attention is invited to the statement of Mr. Donald Stewart as reflected on page 4, paragraph 7, of the report, to the effect that, at the time of the alleged sighting of this object, he had in his possession a Thompson sub-machine gun. A copy of this attachment has also been furnished the Treasury Department. No further inquiry into this matter is contemplated by the Office of Special Investigations. 1 x of copy to BA warrant black checks to Lt ser 105-1126 24 1 Incl Rpt by SA Royal dtd 12 May 52 Gilbert D. Lewy Chief, Counter Intelligence Division Directorate of Special Investigations The Inspector General RECORDED - 129 INDEXED - 129 20 JUN 6 1952 EX-130 DECLASSIFIED Authority: NND 90986
Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 271 pages are in the text index: search them above, or from the library's search.