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 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 101 194910 Aug 22002230 1 Unk Camp Hood, Texas S to N 30° above horizon Level flight White w/yellow trail Yes 1-2 secs None Oval Size of shooting star 300 mph or faster Pades 2 10 Aug 2240 1 Unk Camp Hood, Texas N to S 8,000' or more Straight flight with gradual incline Light red diminishing to light yellow Yes 2-3 secs None Round w/jagged trail Much larger than evening star Burned up and disintegrated 103 11 Aug 20302045205221050010 Sev Unk Camp Hood, Texas N to S 45-60° above horizon Generally a level flight White Yes 3-5 secs None Flash like a rocket or training flare Star size Faster than any plane observed Went out like a light 12 Aug 0010 2 Unk Killeen Base, Texas Due N in arc 45° above horizon Straight & level flight w/ascent descent describing arc Bluish white Yes 10 secs None Broken circle resembling signal flare Head size Sudden disappearance
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.