Documents / Official release
This U.S. Department of War file, undated, holds checklist summaries of incidents 1 to 100 of unidentified flying objects reported in 1947 and early 1948. The first entries cover sightings of silver discs and spheres by officers and staff at Muroc Army Air Field on 7 and 8 July 1947. Next come the Portland, Oregon police reports of 4 July, a United Air Lines crew near Emmett, Idaho, and a set of 30 December flame and explosion reports from California and Nevada. The file ends with two Finnish sightings.
From the source:Release of 2026-05-08 Incident: N/A, N/A. NARA Record Group 38, catalogue id 143685. Each of these incident summaries includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and other narrative reports or descriptions.
“Anderson”4 pages
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## RESTRICTED A report received at Fairfield-Suisun tower from McGlellan Airfield Tower at Sacramento stated a report was received from Sacramento Air Depot C-47 #7488 flying near Rosedale, Calif. to the effect that an object was sighted at 1925 P.S. time trailing several colors of flame with red and green predominating. It was traveling at very high speed and low altitude eastward toward some hills at approximately 38°50' N, 121° 02' W. McGlellan tower asked the pilot to investigate and at 1958 the pilot reported a small fire at 38° 50' N and 120° 53' W which became considerably larger. Fairfield tower requested a local night flying C-47 to also investigate the fire for possible aircraft accident and the pilot reported over the fire at 1937 P. S. time at a position of 38° 50' N and 120° 53' W. The fire was burning in a triangular shape over a small area and went out at 2155. Two particular points in the fire seemed to burn with a bright blue-green flame RESTRICTED
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. 209 pages are in the text index: search them above, or from the library's search.