U.S. Air Force Analysis of Flying Objects in the United States, 1-100

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.

Patrolman W. A. Lissy of the Portland City Police Department possesses a private pilot license. He perceived three flat round discs which flew at terrific speed in straight line formation the last disc fluttering very rapidly in a side-way arc. They saw no evidence of any motivating powers and there were no vapor or smoke trails. No sound could be heard. Ground temperature was 82°F with little or no cloud formation.

NOTE: Corroborated account.itnessed by Patrolman D. W. Ellis (also a private pilot) Both very dependable & trustworthy officers.