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.
Read from the scan by GLM-OCR; expect the odd misread word.
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 **Evalu
68 1949/9 May App 1430 1 R Tucson, Arizona SW to NE Silvery None 6-10 secs None Round & flat 25' in diameter 750-1000 mph Faded from view (2)
69 12 May 2115 2130 1 VR Alamogordo, New Mexico 3° or 4° above horizon White with greenish tinge None 4 mins None 2 fuzzy stars 1/4 diameter of full moon Vanished (2)
70 16 May App 1700 1 Unk Tucson, Arizona E to W 5000' Horizontal Black None 8-10 secs None Round solid flat 3-4' in diameter 800-1000 MPH Behind aircraft hangar (2)
71 2 Jun 0040 1 R Los Alamos, New Mexico E to N 7000' - 10,000' Descending Green Yes 1 sec None Ball of light {1}{3}
72 11 Jun 2057 1 R Los Alamos, SW to NE 25° above horizon Green then red at end of flight Yes 4-5 secs None Size of star (1)
73 20 Jun 2010 1 R Los Alamos, New Mexico W to E Green turned orange red before vanishing None 3 secs None Round Extinguished (1)
74 20 Jun 2010 1 R Los Alamos, New Mexico W to E Directly overhead Blue green None 1-1/2 secs None Vanished as the eating'd. (1) Official release, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 271 pages are in the text index: search them above, or from the library's search.