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
CONFIDENTIAL 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 Lanner of Disappearance **Value 36 1949/7 Mar 1810 1 Unk Window Rock, Arizona N 40-45° to horizon Red (fire) in center shading to blue at edge Yes 6-8 secs None Ball round-spherical 3' in diameter 200-300 mph Disintegrated (1) 36 8 Mar 1836 1 R Los Alamos, New Mexico S to N 12,000' to 15,000' Horizontal Bright white with greenish tint 1-2 secs None App 800 mph Either went out or disappeared behind cloud 37 8 Mar 1835 1 R Los Alamos, New Mexico S to N 4,000 above terrain Descending at 45° angle Intense white light aluminum colored Very short None Elliptical pointed at ends Slower than twin-en-gined plane Disappeared behind trees 38 8 Mar 0103 1 Unk Camp Hood, Texas From S 58° E to S 54° E From 58° above horizon to 54° above Traveled in arc Pale white light Yes None Round-ish head w/hazy smoke trail (3)
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.