The F-4 Phantom II is a tandem, two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber. Developed by McDonnell Aircraft Corporation in the 1950s, it became one of the most versatile and widely used fighter jets, serving in multiple roles with the U.S. military and allied forces worldwide. Known for its high speed, powerful radar, and ability to carry a heavy weapons load, the Phantom saw extensive action in the Vietnam War and continued in various roles for decades, becoming an enduring symbol of Cold War airpower.