Synonymous with such infamous battleships as the Bismarck, Scharnhorst, and Tirpitz, the German Navy--or Reichsmarine--was renamed the Kriegsmarine in 1935 after the emergence of the Nazi State, and went through a major reorganization in 1939. During World War II, it became a much-feared adversary both on and beneath the high seas with its marauding U-boat "wolf packs" coming close to defeating Britain in the Battle of the Atlantic. This enthralling...