 The 4th Bombardment Wing moved to England in June 1943 and as a part of Eighth Air Force began bombing operations against German occupied Europe.Targets included shipyards, synthetic rubber plants, chemical plants, marshalling yards, and oil facilities.In July the wing grew to seven combat groups, which resulted in a reorganization of its groups on 13 September 1943 into the 3d Bombardment Division as a new higher echelon over the 4th and two wings which had groups assigned for the first time