1945-09-18 / 3 miles SW of SEATTLE-FORT, Louisiana / unresolved
Headquarters Air Material Command, Dayton, Ohio transmitted Incident Summary Sheets 173 through 233 on March 9, 1949, covering sightings from September 1945 through October 1948. Observers in Louisiana, New Mexico, and California reported objects described variously as aluminum-colored and metallic, cone-shaped and encased in flame, perfectly circular and flat, bright silvery and egg-shaped, and amoeba-like with oscillating appendages. The summary sheets record no determination of what the objects were.
Incident 173: One object, approximately 12 feet in diameter, aluminum in color, metallic, smooth horizontal flight southward, no exhaust trail, viewed with binoculars at 50,60° above horizon, estimated altitude 20,000 feet, speed 100,150 mph, time in sight 10,15 seconds.