The J79 is a turbojet engine developed by General Electric in the 1950s. It was designed for use in military aircraft, providing high thrust and reliability. The engine became widely known for its application in various fighter jets, including the McDonnell Douglas F-4 Phantom II and the North American F-100 Super Sabre. With a thrust output of around 15,000 pounds, the J79 was a significant advancement in jet propulsion technology. Its design features include an axial-flow compressor and an afterburner, which enhances performance during supersonic flight. The J79 played a crucial role in the evolution of modern military aviation.