First flown in May 1958, the Phantom
                II originally was developed for U.S. Navy fleet defense and
                entered service in 1961. The USAF evaluated it (as the F-110A
                "Spectre") for close air support, interdiction,
                and counter-air operations and, in 1962, approved a USAF
                version. The USAF's Phantom II, designated F-4C, made its first
                flight on May 27, 1963. Production deliveries began in November
                1963. In its air-to-ground role the F-4 can carry twice the
                normal bomb load of a WW II B-17. 
                      In 1965 the first USAF Phantom IIs were sent to Southeast
                Asia. The Phantom was so widely used in Vietnam that it came to
                represent its aerial combat efforts.  USAF F-4s also fly
                reconnais- 
                sance and "Wild Weasel"
                anti-aircraft missile suppression missions. Phantom II
                production ended in 1979 after over 5,000 had been built--more
                than 2,800 for the USAF, about 1,200 for the Navy and Marine
                Corps, and the rest for friendly foreign nations.
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