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 Balchin's screenplay won the BAFTA for that year. In 1943, Royal Navy Lieutenant Commander, Ewen Montagu (Clifton Webb), comes up with a scheme to deceive the Nazis about the impending invasion of Southern Europe. It entails releasing a dead body just off the coast of Spain, where strong currents will almost certainly cause it to drift ashore in an area where a skilled German secret agent operates. The corpse will appear as a plane crash victim, the non-existent Royal Marine, Major William Martin, who is carrying false letters about a forthcoming Allied invasion of German-occupied Greece, rather than the obvious