Just three of the six submarines survived the arduous journey through arctic seas to reach the Norwegian fjord where the battleship lay.

• 只有三艘侏儒潜艇完成了险峻的征程，穿越北极海域来到挪威海湾，在极其不利的形势下向庞大的“蒂尔皮茨号”战舰发起了攻击。