In 1939, a few weeks after the start of the Second World War, a German U-boat slipped through a position just like this, into Scapa Flow and torpedoed a British battleship at anchor.

- 1939 年，第二次世界大战开始几周后，一艘德国 U 型潜艇滑过这样的位置，进入斯卡帕湾，并用鱼雷击中了一艘停泊的英国战列舰。