Documents / Official release
This 1949 War Department file 319.1, Flying Discs, is a set of U.S. Air Force Flight Service Center reports on unidentified flying objects sent to the Air Materiel Command at Wright-Patterson. The reports cover sightings over Kansas City and Olathe, Rome, Seattle, Greenville, Spokane, Medford, Columbus, Portland, Mountain Home, Jackson and Chanute AFB. Most remain unexplained, but the Greenville object was found to be a weather balloon. The file also holds a 1948 order telling units to report disc sightings.
From the source:Release of 2026-05-08 Incident: 1/9/50, N/A. This file primarily contains incident reports on Unidentified Flying Objects (UFOs) written in compliance with the 1948 Flight Service Regulation (FSR) 200-4. The incidents were witnessed by military sources, as well as by some Civilian Aviation Authority (CAA) ones. The reports typically include information such as dates, locations, weather, and altitude, plus detailed descriptions of appearance and movement. Some messages from the Military Air Transport Service (MATS) and Army Airways Communications System (AACS) are also included, as well as additional military intelligence reports, several diagrams, and a report from a weather station in Japan.
“Mons”1 page
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SUBJECT: Project "Sign" TO : Commanding General Air Materiel Command Wright-Patterson Air Force Base Dayton, Ohio ATTN: Chief, Intelligence Department 1. On page 46 of the (British) Inter-Services Aircraft Recognition Journal for November 1948 (Vol 3 No. 4) appears a photograph bearing the following caption: "Flying Saucer, original, U.S. Navy, for the use of. The Chance-Vought V-173 or XF5U-1 was designed for speed range from zero to 550 m.p.h. -- ideal for carrier work. There is no sign of it in service yet." 2. Reference publication is unclassified, however its distribution is limited to personnel of the British Armed Forces. No copies at present are available in this office. 3. Outline tracing of the above photo is attached. FOR THE COMMANDING GENERAL: Incl photo as described above. STANLEY Q. WENTZ Colonel, USAF Chief, Intelligence Division
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 143 pages are in the text index: search them above, or from the library's search.