Learn why Hitler sends his remaining prize battleship, the Tirpitz, to the Arctic. In March 1943, Tirpitz is posted to the far north of Norway to an Arctic Fjord. The Allies have her in their sights and want to destroy her. This is because she a threat to arctic convoys supplying Russia and it would be a huge morale boost for the Allies. Hitler and the Nazi's do all they can to protect her. The cover the cliffs with anti aircraft guns, surround Tirpitz with torpedo nets and devise an ingenious smoke screen to hide her from enemy bombers.