X.1: The Royal Navy's Mystery Submarine Автор:
Naval Institute PressISBN:
The 'X' stood for experimental, but it might equally have meant extraordinary, exotic or extravagant, as this giant submarine attracted superlatives - the world's largest, most heavily armed, and deepest diving submersible of the day. X.1 was a controversial project conceived behind the backs of the politicians, and would remain an unwanted stepchild. As British diplomats at the Washington naval conference were trying to outlaw the use of submarines as commerce raiders, the Admiralty was designing and building the world's most powerful corsair submarine, to destroy single-handed entire convoys of merchant ships.