The Czechoslovak Air Force (Československé letectvo) or the Czechoslovak Army Air Force (Československé vojenské letectvo) was the air force branch of the Czechoslovak Army formed in October 1918. The armed forces of Czechoslovakia ceased to exist on 31 December 1992. By the end of the year, all aircraft of the Czechoslovak Air Force were divided between the Czech Air Force and the Slovak Air Force.