The McDonnell Douglas F-4 Phantom II[2] is a two-seat supersonic long-range all-weather fighter-bomber developed for the U.S. Navy by McDonnell Douglas. The Phantom flew in U.S. service from 1960 to 1996; it also served with the armed forces of eleven other nations. As of 2001, more than 1,000 F-4s remained in service around the world.