
Some of the greatest warships have gone on to shape the history of the world and have even pushed their crews into unbelievable and incredible acts of bravery. Take a look at the very first submarine which is rumored to have lurked beneath New York harbor during the Revolutionary War, the smaller ships that rescued thousands from Dunkirk, or the destroyer in the Cuban Missile Crisis. Over the years, conflicts and wars have prompted extreme advances to ship designs and now they are faster, stronger, and smarter than ever before.

A look at riverine warfare from the Civil War to Vietnam and small but powerful combat ships.

New high-tech investigations uncover what sunk a World War I cruiser, a World War II submarine, a British destroyer from the Falklands War, and more.

It is considered the largest sea battle in history: the Battle of Leyte Gulf in WWII was three days of ingenious strategy and white-knuckle combat between warships, aircraft and kamikazes.

A look at how navy weapons have evolved over the centuries, from cannons to gun turrets to nuclear missiles and beyond.