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.
“Nevers”12 pages
111th CIO Detachment, FAO # 8, P.O. Box 379, Knoxville, Tennessee OBJECTS SIGHTED OVER OAK RIDGE, TENNESSEE (in compliance with letter AJAGI-360.33 General, dated 15 November 1950, Headquarters Third Army, Subject; Unconventional Aircraft, the following is submitted.) A. Location and Time of Sighting: At 2145 hours on 16 January 1951. B. Weather at the Time of Sighting: Clear; visibility twenty (20) miles; Temperature - 37 degrees F.; and Wind - Southwest at five (5) miles per hour. Winds aloft: At 2000 feet - 240 degrees at 3 knots 3000 " - 210 " " 3 knots 4000 " - 209 " " 5 knots C. Names, Occupations and Addresses of Witnesses: 663rd A.C.W Squadron Personnel who are Radar operators. ABC Patrol Personnel, policemen at Oak Ridge, Tennessee. Captains L.C.M. Clevenger and Wm. Aiken, Controllers of 663rd. D. Photographs of Objects if available: None E. Object sighted: Two bright objects in the sky, one of which was east of McGhee Tyson Airport and the other was west. The object to the east was a light, brighter than any other star, emitting intermittant glows of various colors in the color spectrum. An aircraft attempted interception and found that he was heading directly for a star. Weather personnel explained that the spectral reflection of the star was caused by the volume of atmosphere and physical matter, together with heat, which must be looked through to see a star close to the horizon. These phenomenon caused refraction of the light rays from the star thereby reflecting a continuous spectral change of light color. The light to the West was observed through a twenty (20) power spotting scope and the light seemed to be descending. It took about one hour to descend behind trees making it disappear from the sight of observers. Captain Clevenger stated that this light, when viewed through the spotting scope, took on many peculiar forms, with lines, cores, tails, etc, therein, thus generally fitting the description of all "flying saucers" ever described to him. Shortly after this object disappeared from sight (behind trees) AEC personnel at Oak Ridge, Tennessee reported they had sighted an object about twelve (12) miles Southeast of the K-25 Plant in the Controlled Area. They also observed the aircraft which had been sent for interception but stated the aircraft was "too far north". The aircraft made no identification, and AEC personnel later reported that they had observed a star.
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.