1955-10-01 / Trans-Caucasus region, USSR / unresolved
Air Intelligence Information Report IR 193-55, dated 14 October 1955 and prepared by Lt. Col. Thomas S. Ryan of the U.S. Air Attache office in Prague, documents an eyewitness account of two round, circular unconventional aircraft resembling flying saucers seen at 1910 hours on 1 October 1955 between Atjaty and Adzhijabul in the Trans-Caucasus region of the USSR. Senator Richard Russell, Lt. Col. E.U. Hathaway, and Mr. Ruben Efron observed the disc aircraft ascending almost vertically one minute apart, with outer surfaces revolving slowly to the right, two stationary lights near the top, and sparks or flame from the bottom.
Round, circular disc-shaped aircraft resembling a flying saucer or flying disc; outer surface revolving slowly clockwise (to the right) during ascent; two stationary lights near the top of the disc located approximately one-third inward from each edge along the diameter; no protrusions, sticks, or bulges observed; sparks or flame seen coming from the bottom during ascent; ascended almost vertically at relatively slow speed to approximately 6,000 feet (2,000 meters), then sharply increased speed