Heavy bomber version of the bouncing bomb, was used to destroy the Mohne and Eder dams by Lancasters from the specially recruited and trained 617 Squadron, often known as the Dambusters, under Wing Commander Guy Gibson. In March and April 1945, as the war in Europe was ending, Lancasters dropped Grand Slams and Tallboys on U-boat pens and railway viaducts across north Germany. At Bielefeld more than of railway viaduct was destroyed by Grand Slams creating an earthquake effect, which shook the foundations. The Boeing B-29 Superfortress was a development of the Fortress, but a larger design with four Wright R-3350 Duplex-Cyclone
41st Bombardment Wing 41st Bombardment Wing The 41st Bombardment Wing is an inactive United States Air Force unit. Its last assignment was with Eighth Air Force, based at RAF Molesworth, England. It was inactivated on 18 June 1945. The wing was a Boeing B-17 Flying Fortress heavy bomber command and control organization for VIII Bomber Command in England. Its subordinate units were engaged in the strategic air campaign against Germany. Air Offensive, Europe; Normandy; Northern France; Rhineland; Ardennes-Alsace; Central Europe. The wing was constituted as the 41st Bombardment Wing (Heavy) on 29 January 1943 and activated on 16 February 1943. In August 1943