The 20th century has become not only the era of aviation, missiles and tanks, but also the century of the submarine fleet, which has come a tremendous way from the first "diving kegs" to perfect combat submarines, from Hitler's "wolf packs" to nuclear submarine missile carriers with a capacity of thousands of Hiroshim, revolutionizing military affairs and turning into a strategic "miracle weapons" capable of winning wars - "Kaiser's underwater corsairs" were on the verge of victory in the First World War, "Wolves of Denitz" inflicted monstrous losses on the Allies, and American submariners in the Pacific Ocean, who received a merciless order "Drown them all!," So rapidly destroyed the Japanese merchant fleet that this alone could bring the "samurai" to their knees.