This two part series takes a thrilling journey on board the mightiest ships that sail the ocean seas. Power and Glory:See the largest and most luxurious cruise liner in the world, Explorer of the Seas. Jump on board the colossal 300,000 ton supertanker, Opalia, with is highly dangerous cargo and state-of-the-art navigational technology. And cruise the only five-masted sailing ship, the Royal Clipper, as it sails the Mediterranean under the power of the wind. Plus revisit one of the deadliest destroyers on the seas, USS Mitscher, on a military exercise to test its weaponry.Dangerous Seas:Follow the story of two cadets as they learn to respect and navigate the sea. See interviews of survivors of some of the biggest catastrophes in the history of shipping. Also, land on board today's most sophisticated aircraft carrier, the USS Harry S Truman.