Submarines: Sharks Of Steel

"This four-DVD set includes over three hours of documentaries about those mysterious vessels of the deep. Titles include Submariners (explaining about life onboard a nuclear submarine), In The Belly of the Beast (about how a submarine navigates the punishing deep), The Hunters and the Hunted (documenting the history of submarine warfare) and The Hidden Threat (about the cat-and-mouse game between U.S. and Russian submarines.)"