Tinker AFB, Okla., September 1952September 1952

On September 15, 1952, observers at Tinker Air Force Base, Oklahoma, reported a circular object moving back and forth across the sky for 45 minutes. The sighting was a ground visual observation. The object's course was not specified in the available record. An Air Force investigation was initiated, with the 33rd Air Division and other intelligence units advised to proceed to the area for identification. A C-47 aircraft was dispatched from Tinker to investigate. Multiple witnesses reported the incident, including observers five miles east of the base and another observer at the 33rd Air Division one mile southeast of Tinker. The object was also reported to move between 2100 and 2300 hours (9 p.m. to 11 p.m.) and was described as halfway up in the sky. The official evaluation was not clearly recorded in the available pages.