since 1979 the squadron has provided worldwide strategic reconnaissance support, including operations in grenada in 1983, libya in 1986, and southwest asia from 1990-1991. on 29 july 1953 a squadron rb-50 temporarily attached to the 91st strategic reconnaissance squadron was shot down by soviet fighters about ninety miles south of vladivostok. the soviet union did not deny the plane's location was over international waters, but claimed that the bomber had twice flown over soviet territory and fired on their migs, who then returned fire defensively.