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 19493 Dec 1805 1 R Alamogordo, New Mexico E to W In an arc downward Green fringe of orange light None 2 secs None Circular Somewhat larger than Venus Disappeared behind building 154 4 Dec 1935 1 Unk Albuquerque, New Mexico E to W Nearly horizontal Green None 2-3 secs None Round Marble at arm's length Went out like a candle 155 4 Dec 1935 2 Unk Los Alamos, New Mexico E to NE Sloping descent Green 1/5 sec Yes Round Disappeared behind mt. 156 5 Dec 19301945 3 Unk Carrizozo, New Mexico 40° above horizon In dive Blue-green None Tear-drop Very slow Disappeared 5 Dec 2240 1 Unk Tularosa, New Mexico E to W Smooth arc downward Blue w/yellowish red toward tail Yes 1 sec None Streak of light Appeared little longer than length of lead pencil at 6' Appeared to hit ground near Tularosa, New Mexico 158 9 Dec 1330 1 Unk Farmington, New Mexico Dropping vertically 500 ft. Vertically down None Char-red parachute or cargo net Disappeared
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.