GF-104A "52959" AFFTC (US Air Force Flight Test Center), Edwards AFB with General Electric tailband 1958 + Regulus II target drone YF-104A, construction number 183-1005, model 183-93-02, US serial number 55-2959, built by Lockheed ready for delivery March 14, 1956; acceptance by USAF April 30, 1956 delivery date June 28, 1956 coded FG-959 to Edwards AFB for Air Materiel Command (AMC) in October 1957 modified to JF-104A and used as testbed for J-79 engine development at Edwards AFB designated GE-JF-104A or GF-104A stored October 26, 1960 at McClellan AFB (Air Force Logistics Command, Sacramento Air Materiel Area) withdrawn from use 1960 and scrapped in 1969. copyright © Serge Bonford