James P. Delgado, President and CEO of the Institute of Nautical Archaeology, presents a detailed and visually stunning examination of the history and development of the modern nuclear submarine. Calling on his training as a nautical archaeologist who was among the first explorers to dive the Titanic, Delgado recreates the story of the submarine from the bottom up - that is through eerie photographs of subs at the bottom of the sea. In addition, he explores submarine technology, from wooden to iron to steel hulls, from hand-cranked to nuclear-powered propulsion, from candlelight to electricity, from gunpowder torpedoes to nuclear missiles.