Douglas A-1 Skyraider (formerly AD-1) is an American attack-board aircraft that served from 1946 to the mid-1970s. It was one of the last piston-type airplanes in combat use in the world. During many years of service, numerous versions of the aircraft were created, adapted to min. for closeup or early warning. The first prototype flew in March 1945, but mass production started after the end of World War II. The plane performed great during the Korean War, making numerous successful attacks against North Korean ground targets.