Documents / Report
This U.S. Air Force compilation, released under NARA declassification authority NND 917033, holds checklist-style analyses of Incidents 1 to 100 involving unidentified flying objects, with most dated 1947 and a few from early 1948. Every entry records the date, location, observer, object count, altitude, speed, shape, color and manner of disappearance, and many include narrative remarks. Sightings include Muroc Army Air Field, Portland, Oregon, Pikes Peak, Lovelock, Nevada, Houston, Texas, and Vaasa and Pietarsaari in Finland.
From the source: Release of 2026-06-12 Incident: United States. 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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Report, from the pursue collection. The PDF is mirrored here; the original link is above. 253 pages are in the text index: search them above, or from the library's search.