THE MIDGET SUBMARINE OF THE NAVY: Used Against the German Battleship Tirpitz in the Alten Fiord
... THE MIDGET SUBMARINE OF THE NAVY Used Against the German Battleship Tirpitz in the Alten Fiord T'he midget submarines, known as X craft, are like ordinary sub marines but much smaller and even more cramped. They have no conning- tower, the only super structure being a guard rail for the two periscope- tubes and a mast-like air- vent to this is attached a steel arm with a strong leather belt, ...