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For three years German U-boats turned the Atlantic Ocean into a killing field, but in May 1943, the Allies struck back successfully and reversed the tide of war. In just one month, using new tactics, new technology, and the coordinated forces of a new generation of submarine... Read Full Overview

In one extraordinary month, using new tactics, new weapons, and the coordinated forces of a new generation of submarine hunters, the Allies destroyed 41 U-boats and damaged 37 others in the North Atlantic--sending the Nazi U-boat wolf pack running. Here, distinguished naval historian... Read Full Overview