A complete history of underwater vessels and the landmarks in their development, from turn-of-the-century pioneer Simon Lake up to the production of the nuclear-powered Dreadnought. - Concise technical specifications provide clear information about each submarine's country of origin, size, speed, displacement and armory, with a glossary that explains relevant technical and military terms. - Extensive details about over 70 different kinds of submarine from around the world, including the Holland boats, Aigette, Storm, Skipjack, Torbay and Sea Dragon, as well as dramatic episodes in submarine history such as the sinking of the Lusitania and the capture of the Enigma cipher from U110.