Documents / Report
This U.S. Air Force compilation, released by the U.S. Department of War, holds numbered checklists and survey sheets for flying object incidents 1 through 100. It covers sightings by officers, test pilots and civilians at Muroc Army Air Field on 7 and 8 July 1947, and sightings by Portland, Oregon police on 4 July 1947. It also includes fireballs seen over California, Nevada and Oregon on 30 December 1947, a Houston fireball, and Finnish reports from January 1948.
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.
Read from the scan by GLM-OCR; expect the odd misread word.
Patrolman D. W. Ellis (also a private pilot) perceived three flat round discs which flew at terrific speed in straight line formation, the last disc fluttering very rapidly in a side-way are. He saw no evidence of any motivating powers and there were no vapor or smoke trails. No sound could be heard. Ground temperature was 52 $ ^{\circ} F $ with little or no cloud formation.
NOTE:Corroborated account. Witnessed by Patrolman W. A. Lissy (also a private pilot) Both very dependable & trustworthy officers Report, 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. 253 pages are in the text index: search them above, or from the library's search.