 Igor Sikorsky, given $250,000 for helicopter development by United Aircraft, also developed the Vought-Sikorsky VS-300, Vought-Sikorsky VS-316 R-4, Vought-Sikorsky VS-327 R-5 and Vought-Sikorsky VS-316B R-6 in the plant.Sikorsky's production was moved to a plant in Bridgeport Connecticut in 1943 and Vought production was moved to an empty US government facility in Dallas Texas in 1949.In 1954 Sikorsky moved the majority of their manufacturing to a new plant on the north side of Stratford, further up the Housatonic River.