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
The Man Who Never Was (book) victim of an airplane crash, the non-existent Royal Marine Major William Martin, who had letters in a briefcase that hint at a forthcoming Allied invasion of Greece and Sardinia, rather than the obvious target of Sicily. In 1950 Duff Cooper, a former cabinet minister who had been briefed on the operation in March 1943, published the spy novel "Operation Heartbreak", which contained the plot device of a corpse – with papers naming him as William Maryngton – being floated off the coast of Spain with false documents to deceive the Germans. The British security services decided that the best response