War at Sea

S1, E7: Because battles at sea can determine the outcomes of war, the weapons and tactics used on ships is critically important. Naval historians and weapons experts examine and test three weapons that helped countries dominate the seas for centuries, from Greek fire, invented by the Byzantines to protect Constantinople for over 750 years, to the cannon, which made Britain an undisputed superpower of the sea for centuries, to the torpedo, a devastating missile of the 20th century.