The story of the German battleship - the biggest ever built in Europe - and the many and ingenious attempts to sink her. Written and narrated by Ludovic Kennedy WINSTON CHURCHILL Tirpitz was attacked by manned torpedos and midget submarines, by the Navy, the Fleet Air Arm and the Royal Air Force. She was responsible for one of the outstanding naval disasters of the war, the destruction of Convoy PQ17. The last of Hitler's battle-ships defied all our efforts for four years until Barnes Wallis 's ' tallboy ' bombs, carried by the ' Dambuster ' Squadron, finally capsized her in a Norwegian fjord. Among those taking part are Rear-Admiral Godfrey Place who describes the action for which he was awarded the VC. Air-Vice Marshal ' Pathfinder ' Bennett who tells how he was shot down by Tirpitz Douglas Fairbanks Jr who remembers PQ17 and Leif Larsen the Norwegian skipper with more British decorations than any other foreigner. Film cameraman JOHN ELSE Sound recordist SIMON WILSON Film editor ALAN TETZNER Producer EDWARD MIRZOEFF