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.
“Headquarters”18 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 or Vertical Color Train or Trail Duration of Conservation Sound Shape Apparent Size Apparent Speed Manner of Disappearance **Evaluation 195011 Mar 0100 1 R Holloman AFB, New App 270° About 30° above horizon at distance of 50 miles Straight flight Changed from light orange to blood red to amber to light green None 5 mts None Ping pong ball Ping pong ball held at arm's length Disappeared from view (2) 191 16 Mar 1100 10 Unk Farmington, New Mexico N to NE Turned on their axis & maneuvered up & down Bright luminous as tin foil None 3-5 mts None Flat spheriodic 1 to 6" Faster than conventional aircraft Discontinued observation (2) 2 16 Mar 1000 10 Unk Farmington, New Mexico NE Over 20,000' Skyward at at 60°-80° Bright aluminum None 30 mts None Oval & oblong 1/16" - 1/2" held at arm's length Faster than conventional aircraft Gradually disappeared (2) 193 17 Mar 0310 1 R Los Alamos, New Mexico Toward earth Toward earth Reddish then green None 1 sec None Appeared to fall to earth (3) 194 17 Mar 0308 1 R Los Alamos, New Mexico NE Level flight Greenish yellow None 3 secs None Round 1/4 size of full moon Moderate Like light going out (3)
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.