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
Number Date Time Number of Observers Reliability of Observers General Area of Occurrence Apparent Direction of Flight Apparent Altitude Course Horizontal to Vertical Color Train or Trail Duration of Observation Sound Shape Apparent Size Apparent Speed Amner of Disappearance 44 1949/27 Mar 1813 1 R Tucumcari, New Mexico E to W Close to 45° above horizon Bright orange None 15 mts None Long & narrow Faded out of sight in distance 45 27 Mar 1800 1 Unk Tucumcari, New Mexico E to W 60° above horizon Orange fire None 15 mts None Like lite tail About size of C-47 at 10,000 ft. Disappeared behind hills 46 31 Mar 2150 1 R Camp Food, Texas SW Est. 2,000' Fire red to white Yes None Spherical App. size of basketball 47 5 Apr 2200 1 R Los Alamos, New Mexico S to N App. 300' above S slope of Pejarito It. Arc Green w/red after glow 1/2-1 sec None Tremendous speed Disappeared behind mountain 48 6 Apr 1205 1 R Los Alamos, New Mexico SE About 15,000' Between dk & lt green 3-5 secs None Very fast 49 7 Apr 0155 1 R Los Alamos, New Mexico W About 200 yds fr top of hill Green App 45 secs None Moved very slowly 50 7 Apr 0100 1 R Los Alamos, New Mexico S to N Green 5 secs None Moving slowly
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.