I Sank The Bismarck book In the early hours of the 27th of May, 1941, the German warship Bismarck - scourge of the Atlantic ocean - was sailing towards a fateful encounter. Two days previously, Prime Minister Winston Churchill had issued the order to "Sink the Bismarck". High winds and low visibility added to the atrocious morning weather as Fleet Air Arm pilot, John Moffat, took to the air in his open cockpit bomber.