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 **Evaluation 163 1960/9 Jan 2220 1 R Los Alamos, New Mexico Due W 60° above horizon Straight course Bluish white Yes 2 secs None Pointed Appared as a point 10° per second Luminosity stopped suddenly (1) 164 9 Jan 2225 1 R Los Alamos, New Mexico 75°-80° above horizon Straight line Greenish white None 3 secs None Round -4 to -5 compared to Jupiter 25° per second Behind horizon (1) 165 12 Jan 1900 3 Unk Holloman, New Mexico To W Changed altitude orratically White changed to green & red None 5 mts None Star like About same size of Venus Discontinued watching (1)(2) 166 13 Jan 0605 3 Unk Holloman AFB, New E to W Erratically up & down White changed to green & red None Short time None Star like About same size as Venus Disappeared w/daylight (3) 167 27 Jan 1715 1 Unk Scullville, New Jersey NW Ascending at about 60° angle White streak 30 mts 1/2 that of a fireworks rocket at close range Faded gradually (2) 168 7 Feb 19502015 2 R Albuquerque, New Mexico SSE to E 40°-45° above horizon Horizontal Reddish green Yes 4-6 secs None Round elongated trail Twice size of evening star About same as falling star Faded out in atmosphere (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.