The F-4 Phantom is a tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber. Developed by McDonnell Douglas in the 1960s, it was widely used by the United States Air Force and other military forces around the world. The F-4 is known for its versatility, capable of engaging in air-to-air combat as well as ground attack missions. Equipped with advanced avionics and weapons systems, the F-4 Phantom can carry a variety of missiles and bombs. It played a significant role during the Vietnam War and has been retired from most air forces, although some variants are still in service today.