A documentary series on the history of submarines, from their first development in the mid-19th century to the modern nuclear-powered leviathans, armed with nuclear missiles.

A documentary series on the history of submarines, from their first development in the mid-19th century, to their first effective military use in World War 1, to the famous German U-Boat wolfpacks of World War 2 to the modern nuclear-powered leviathans, armed with nuclear missiles.—grantss