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 Agent could not locate Commissioner L. W. Hawkins but J. H. Brown, who accompanied Hawkins at the time stated that he and Hawkins could hear a roar. They looked up and saw 2 objects flying at great height which might have been between 4,000 and 6,000 ft. He could give no estimate as to size and said they could have been several miles away. He and Hawkins were satisfied that had seen something and were very doubtful if the objects were planes. From a newspaper account (Times News, Twin Falls, Idaho, Friday Aug 15, 1947) County Commissioner Hawkins said he had seen an unusual object in the air the same day as Urie' experience (Incident 75) and that a sound resembling the echo of a motor caused him to look upward and there he saw two circular objects which reflected light. They were traveling at a great speed and at higher altitude than most planes.
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.