Suppose the world's largest aircraft carrier, the 1,092 feet USS Ronald Reagan, came under enemy attack and was crippled at sea. There's not a ship big enough to rescue it and move it back to the U.S.

The world's oceans are graveyards for some of the greatest ships ever built. But thanks to Mega Movers some of them have risen from the dead. During the mid-1500's the English warship Mary Rose was ...