Intelligence Report No. 1-IR-10-53: Unidentified Flying Object Sightings

This intelligence report, dated December 10, 1953, documents a series of six separate sightings of unidentified flying objects reported by aircrews from the 318th Fighter Interceptor Squadron operating out of Thule Air Base, Greenland, on December 9, 1953. The report compiles interrogation data from multiple pilots and radar observers, including Captain W. W. Irwin, 1st Lt. D. B. Zook, and 1st Lt. E. Green, among others. The sightings occurred during airborne training missions at altitudes ranging from 22,000 to 26,000 feet. Witnesses described the objects as glowing lights, varying in color from bluish-white to yellowish-orange, and ranging in size from a pea on a windshield to a half-dollar held at arm's length. The objects were reported to move at speeds between 400 and 1,000 knots, generally following a straight and level flight path, though some were described as orbiting. Despite the proximity of the objects to the observer aircraft, no interceptions were successful, and no definitive radar contact was established, although some radar interference similar to ground harmonics was noted. The weather conditions at the time were reported as clear with unlimited visibility. The report concludes with a tentative analysis by the Group Intelligence Officer, Captain Harold R. Miller, who suggests that the sightings were likely a meteorite shower. This conclusion is supported by the concurrence of the base intelligence office. The document includes detailed sequences of the sightings, weather data, and the specific evaluations provided by the aircrews, some of whom believed the objects were meteors while others remained uncertain.