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.
“Hill”9 pages
# Office Memorandum . UNITED STATES GOVERNMENT DIRECTOR FBI DATE: 2-10-51 FROM : SAC KNOXVILLE SUBJECT: UNIDENTIFIED OBJECTS OVER OAK RIDGE AREA, PROTECTION OF VITAL INSTALLATIONS Re Knoxville letter dated 12-13-50. Dedanfred 2010 8/31/77 14gm CIC reports dated 1-20-51, entitled. "Objects Sighted Over Oak Ridge, Tennessee". For information of the Bureau, the below listed copies of CIC, G-2 Third Army, pertaining to captioned matter are forwarded herewith. Report of SAC WILLIAM B. GRAY, CIC, dated 1-2-51, entitled "Object Sighted Over Oak Ridge, Tennessee." Mr. Glayin ___ Mr. Nichols ___ Mr. Rosten ___ Mr. Tandy ___ Mr. Horho ___ Mr. Fulmont ___ Mr. Mohr ___ Tole. Boom ___ Mr. Neese ___ Miss Gandy ___ Enclosures - 2 65-475 CCM/wj McMahon (Defeat) G. L. R. -7 APPROPRIATE AGENCIES AND FIELD OFFICES ADVISED BY ROUTING SLIP(S) OF 2640 DATE 9/11/77 DECLASSIFIED Authority: NND 90986
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.