The Republic Aviation Company F-84 'Thunderjet ½ was a turbojet fighter-bomber aircraft. Originating as a USAF proposal for a daytime fighter 1944. The F-84 first flew in 1946 and it entered service in 1947. When production of the F-84 was close in 1953, about 4457 had been built, including 6 different versions. The first effective and fully-capable 'Thunderjet ½ was the F-84E model which entered service in 1949. But The F-84E was withdrawn from USAF service in 1956, lingering with ANG units until 1959.