Submarine: Hidden Hunter

The most powerful weapon in any country's arsenal, today's submarines are known for stealth and firepower. Board one of these mini-cities at sea for a peek at the crowded, yet remarkably efficient, design of the submarine.

The most advanced attack submarines in history are the ships of Virginia Class. Travel to the shipyard where these amazing machines and their high tech gadgetry are built. Watch as the Virginia is commissioned and learn what it takes to be a submariner.

The hunt has begun for a lost piece of American Civial War history. The Alligator, the first military submarine commissioned by the U.S. Navy, disappeared somewhere of the coast of the Carolinas. Can a team of top ocean scientists find her?

Nuclear powered submarines were the pride of the Soviet Empire. Now an international team of engineers takes on the challenge to secure the remaining radioactive waste and safely put to rest this legacy of the Cold War.