The submarine has progressed from the crude, steam-driven craft of the American Civil War to silent nuclear machines that can cruise for months underwater without surfacing. Submarines & Deep-Sea Vehicles traces the history of these vessels, starting with the earliest submersible craft, right up to the stealthy nuclear giants of the modern age. Ranging from the military stealth submarines of the Cold War, to biological research vessels, to the latest remotely operated machines, Submarines & Deep-Sea Vehicles is a stunningly illustrated guide to the exploration of our greatest frontier -- the fascinating world under the ocean.