The General Dynamics F-111 entered service in 1967 as a medium-range aircraft designed for interdiction and tactical strikes.
Mmepe nke F-111B e nká hapụrụ n'oge 1968, mgbe ọ dị ka ngwaọrụ, oke buru ibu na arọ ka a ghakwara ịnọ arụmọrụ site na ugbo elu ụgbọelu.