Critical Convoy Battles of Wwii

This is the tragic story of the U-boats at war. Brave men fighting a losing battle against odds they could never hope to overcome. Out-numbered, out-gunned and out-thought, the U-boats were justifiably known to their crews as 'iron coffins'. Somehow the U-boat fleet rose to the challenge and even managed a brief flicker of success before their inevitable fate enveloped them.