The versatile "swing wing" F-111 entered the USAF inventory
in 1967. It could exceed twice the speed of sound by
sweeping its wings rearward. F-111s (A,FB,C,D,E,F) were
developed as fighter-bombers. The F-111 series could carry
nuclear, conventional and laser-guided bombs. Its
terrain-following radar allowed the aircraft to fly at
very low levels under enemy radar coverage. The SAC version
FB-111 had longer wings and strengthened landing gear. F-111
aircraft were used effectively during Vietnam (1968-73),
Libya (1986), Desert Storm (1991).
Emergency separation from the aircraft utilized a
rocket-powered module which protected the crew and
descended by parachutes. The FB-111 was retired in 1991.
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