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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# RESTRICTED resulted in a balloon being in the area of the San Andres Islands is that located at Managua, Nicaragua. However, since no objects were seen to be attached to the discs, it seems improbable that a radiosonde train might have been involved. There is a possibility that a balloon broke free prior to release and subsequently developed a leak which caused it to drift into the area of the sighting. However, none of these possibilities account for the sighting of three objects within a thirty minute period. 6. On 7 February 1949 two Russian 300-ton sloops (Omar and Blesk) arrived at Colon, Republic of Panama, from St. Thomas, Virgin Islands, enroute to Valdivostok via Honolulu, Hawaii. The backtrack computation of wind and course and point of sighting lend a possibility that the objects were in free flight after release from these ships which followed a direct course from St Thomas to Colon. These two vessels are presently awaiting repairs at Colon. Two other vessels of the same type are presently in St Thomas undergoing repairs. Any further developments will be reported promptly. 7. The above report has already been submitted to Headquarters Air Materiel Command and Headquarters United States Air Force by the Caribbean Air Command. Info cys to: Chief, AWS CO, 2108th Air Wea Gp GEORGE W MOXON Major, USAF Commanding
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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.