Shadow Over the Atlantic, the Luftwaffe and the U-Boats: 1943-45.

摘要

Many students of World War II history may assume that the U-Boat threat was over by 1943. It wasn't. Even after the so-called 1940-1942 Battle of the Atlantic, which pitted German submarines and their crews against the lightly defended Allied convoys, the German wolf packs were still operating and ready for the fight.