lost, the survivors had decided to disobey orders, and escape on their own. However, the first man to use the escape hatch had died in the attempt, blocking the hatch for the rest. Killing them all, the submarine was never raised. References Книга памяти - М-200 The crew of the submarine M-200 "Revenge" is dedicated to ... Flash panorama commemorative memorial in Paldiski. 09.05.2011 Soviet M-class submarines Ships built in the Soviet Union Cold War submarines of the Soviet Union World War II submarines of the Soviet Union Maritime incidents in 1956 Soviet submarine accidents Lost submarines of the Soviet Union 1956 in the Soviet Union Submarines sunk in collisions