The General Electric J79 is a turbojet engine developed in the 1950s, primarily used in military aircraft. It features a single-spool design and is known for its high thrust-to-weight ratio, making it suitable for supersonic flight. The engine was widely adopted by various aircraft, including the McDonnell Douglas F-4 Phantom II and the North American F-100 Super Sabre. The J79 engine has a maximum thrust of around 15,000 pounds and incorporates an afterburner for increased performance. Its reliability and efficiency contributed to its long service life, with many variants being produced for different applications in both military and civilian aviation.