The Atlantic Ocean was during the second World War one of the most important, if not the most crucial battleground. The great Allied convoys transporting millions of tons of vital war material supplies across the Atlantic to England and the North Sea to the Russian ports. The story of the Battle of the Atlantic was not only written by the German U-boats and their opponents, the convoys. The big battleships “Bismarck”, “Hood”, “Scharnhorst”, “Gneisenau”, “Rodney,” “King George V” and “Tirpitz” Leave this eventful chapter in military history. Aircraft carriers, cruisers, destroyers, corvettes, and numerous smaller patrol vessels – they all had a considerable share in the outcome of the battle. The aircraft was during the course of the war the dominant and decisive instrument of modern naval warfare. This documentary shows inter alia previously unpublished private footage of former U-boat driver.