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
Summary of Sightings of Unknown Aerial Phenomena, 17th District OSI (cont) 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 Manner of Disappearance 123 1949/6 Oct 1800 1845 1 Unk Mescalero, New Mexico 18° above horizon Green None 7-9 secs None Round 1/2 size of thumb at arm's length Moving slowly Disappeared behind a hill 124 6 Oct 1758 1 R Alamogordo, New Mexico E to W Straight angular descent Bluish white possibly lt. green tinge None 4 secs None Circular 3 times the size of Jupiter or Venus 5° per sec. (1) 125 6 Oct 1800 1 Unk Alamogordo, New Mexico 40°20' to 70°5' Green None 5-6 secs None Round Size of baseball at arm's length (1) 126 6 Oct 1750 1 R Albuquerque, New Mexico E to W Curved descent approaching vertical Greenish white None 1 sec None Similar to very flare 1/2 size of thumb at arm's length Abrupt (1) 127 6 Oct 1750 1 R Wagon Mound, New Mexico E to W Horizontal Greenish white None 3-4 secs None Round 1 1/2" - 2" in diameter App. that of meteor Went out like electric light (1) 128 6 Oct 1758 1 Unk Albuquerque, New Mexico NE to ST At tail end of its course it arched over and fell Brilliant green None 10 secs None Tear drop Seemed to burn out (1)
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.