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 GIC Detachment, FAO #8, P.O. Box 379, Knoxville, Tennessee OBJECTS SIGHTED OVER OAK RIDGE, TENNESSEE (In compliance with letter AJACI-360.33 General, dated 15 November 1950, Headquarters, third Army, Subject; Unconventional Aircraft, the following is submitted.) A. Location and Time of Sighting: From 1605 hours for about three (3) hours, on 14 December 1951, on the Radar Scopes of the 663rd AG and W Squadron, McGhee Tyson Airport, Knoxville, Tennessee. B. Weather at the Time: At 1600 hours on 14 December 1950--"Ceiling-2100 feet; Broken overcast; Seven (7) miles visibility; Temperature- 37 degrees F.; and Wind - Southwest at thirteen (13) miles perhour. C. Names, Occupations, and Addresses of Witnesses: Personnel of the 663rd AC and W. Squadron, 30th Air Division, McGhee Tyson Airport, Knoxville, Tennessee, who were on duty at the time. Their occupations are Radar operators, Supervisors, and experts. D. Photographs of Objects, if available: No photographs taken. See "F" below. E. Object Sighted: A group of targets blanketed the Radar Scopes in the area directly over the government Atomic Energy Commission projects at Oak Ridge, Tennessee. These objects could not be identified from the radar image and a perfect fighter interception met with negative results. F. Any other pertinent information: Lt. Robinson of the 663rd AC and W Squadron, McGhee Tyson Airport, Knoxville, Tennessee took photographs of the scope readings with a personal, four (4) by five (5) Speed Graphis Camera, using Plus-X civilian procured film, a lens opening of F-2.5, and a shutter speed varying from twenty (20) to fourty-five (45) seconds. The negatives were printed and forwarded to the 30th Air Division, Selfridge Air Force Base, Michigan, which installation printed the negatives and sent copies thereof to the 663rd AC and W Squadron. The numerous targets can readily identified from the permanent radar echoes by comparing the photographs. (B-2) SOURCE: Personnel and logs of the 663rd AC and W Squadron, McGhee Tyson Airport, Knoxville, Tennessee.
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.