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.
“Socorro, New Mexico”1 page
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 1949/30 Aug 2300 1 R Los Alamos, New Mexico Almost straight fall 90° over overhead Almost straight fall Bright green w/red-dish tail Yes 1-2 secs None Much larger than meteor Burned out 111 15 Sep 0025 1 Unk Albuquerque, New Mexico 30° above horizon Yellow red 6 secs None Round Size of baseball Burst & appeared to disintegrate 112 16 Sep 0230 1 R Los Alamos, New Mexico W to E 3,000' Horizontal Orange None 15 secs None Ball shape Larger than falling star Faster than airplane slower than falling star Dimmed then disappeared completely 3 18 Sep 2015 1 Unk Sandia Base, New Mexico W to S 45° above horizon Dark yellow None 3-4 secs None Round Size of baseball Unknown 114 19 Sep 0900 2 Unk Tucson, Arizona N App 4000 Grayish white None 2 mts None 2 to 3 ft across 600 mph Faded from view 115 27 Sep 0300 1 Unk Sandia Base, New Mexico From SE 45° above horizon Traveling tangent to earth Bright blue to white None 4 secs None Round About size of softball at 300 yds. 45° in 4 secs. Obscured by building 116 27 Sep 0300 1 Unk Sandia Base, New Mexico To the N 10° above horizon Yellow Yes 3-4 secs None Round Size of baseball at 25 yds. Same rate as shooting star Died out
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.