Nazi battleship Scharnhorst became one of the most feared ships of WWII, becoming the scourge of Allied Convoys and sinking Royal Navy aircraft carrier HMS Glorious.

Examining the loss of the Skipjack-class nuclear powered submarine USS Scorpion; one of the greatest maritime mysteries of the 20th Century.

Light cruiser HMS Edinburgh was to escort an Arctic convoy to the Soviet Union. On her trip home, laden with Russian gold, the warship was attacked by a German U-boat.

Despite her exemplary service, at the end of the war, USS Nevada was selected as a target ship for atomic bomb tests at Bikini Atoll. But even a nuclear bomb couldn't sink it.