N. Williams Avenue near Russell St., Portland, Oregon

On September 11, 1947, Portland Police Department officers in Districts 18 and 14, including Chief of Police Leon V. Jenkins, reported sighting a round silver object over Portland, Oregon between 5:21 and 5:27 PM. In July 1947, pilot Jack Peck and co-pilot Vince Daly of the Al Jones Flying Company observed a flying wing object near Bethel Airport, Alaska, describing it as approximately the size of a C-54 without any fuselage, flying at 1,000 feet at an estimated 300 miles per hour with no propeller, jet exhaust, or vapor trails.