The F-100 Super Sabre is a supersonic jet fighter aircraft developed by North American Aviation in the late 1950s. It served as a key component of the United States Air Force during the Cold War era, primarily as a fighter-bomber. The F-100 was the first U.S. production aircraft capable of exceeding the speed of sound in level flight. It played significant roles in various conflicts, including the Vietnam War. the F-100 being referred to as the "Hun," a shortened form of "Hundred."