Bend, OregonMarch 1949

On March 24, 1949, civilians in Bend, Oregon reported seeing unusual objects in the sky that drew crowds of onlookers to the streets. Two objects appeared over the town during the late morning hours, moving slowly across the sky. They had no definite shape, seemed to float and drift rather than fly under power, and reflected light from their surfaces. Observers estimated they were about 10,000 feet above the ground. The sightings lasted roughly thirty minutes as the objects drifted in a southwesterly direction before passing from view.

The observers who came forward believed the objects were likely sheets of roofing paper or similar lightweight material being carried aloft by wind and air currents, rather than any kind of aircraft. Local weather conditions at the time featured clear skies with good visibility and light westerly winds. The Air Force's meteorological analysis suggested that upper-air winds from the north could have lifted such debris to significant altitudes. No evidence of aircraft operations in the area was found. After exhausting local investigative leads, the Air Force concluded that the sighting was most consistent with natural phenomena, specifically paper or other articles raised high into the sky by convection currents and wind.

The Air Force evaluated this case as unidentified, though the preponderance of evidence suggested mundane objects in the air rather than any extraordinary phenomenon. The full case file is reproduced below as held by the National Archives, comprising 73 scanned pages.