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.
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## RESTRICTED Members of the harbor patrol at the foot of NW Irving Street stepped out when they heard the all-car alert. Capt. K. A. Prehn, Harbor Pilot, A.T. Austed and Patrolmen K. C. Hoff, all saw the objects and said they appeared to be going south high over the Glove Mills at terrific speed. Capt. Prehn said the flashes kept them from ascertaining whether there were three or six. "The discs would oscillate and sometimes we would see a full disc, then a half-moon shape, then nothing at all," he reported. The objects looked gore like a shiny chromium hub cap off a car which wobbled, disappeared and reappeared! There was a plane in the sky at the time, but all were emphatic that the discs were not planes. RELIABILITY: Corroborated report
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.