The story of the very first warships from Ancient Greece, through the rise of Carthage, to the mighty Roman Navy. Includes footage of the Viking long ships which carried their fierce warriors from Scandinavia to the British Isles and beyond.

The story of Naval power in the sixteenth century, including the story of Henry VIII's flagship the Mary Rose, recovered from the seabed after four hundred years, and the saga of the Spanish Armada. Features a full-scale replica of Drake's ship "The Golden Hinde".

The story of the vessels that changed ship design forever: the Monitor, the Merrimack and an animated reconstruction of their heroic battle during the America Civil War. Also includes footage shot aboard HMS Warrior.

One of Germany's much feared U-boat fleet, the U 534 was sunk on the last day of the war. Cromwell's camera crew has been given special access to the crafts interior - the first time anyone has been on board for more than fifty years. The results provide an unforgettable snapshot of life on board, and bring an eerie backdrop to one of World War II's most compelling stories

"The Ghost Ships of Truk Lagoon" tells the dramatic and powerful saga of the Japanese fleet, from its destruction during the maelstrom of Operation Hailstone in 1944 to its fate n the seabed some fifty years n., It is a story that transcends the mere re-telling of an important episode in the twentieth century military history.