 The Group resumed operational flying missions on 1 May 1943.From Alconbury, the 92d engaged in bombing strategic targets, including shipyards at Kiel, ball-bearing plants at Schweinfurt, submarine installations at Wilhelmshaven, a tire plant at Hanover, airfields near Paris, an aircraft factory at Nantes, and a magnesium mine and reducing plant in Norway.At Alconbury, the group's 327th Bombardment Squadron became the only squadron to be equipped with the experimental YB-40 Fortress gunship from May through August 1943.