At the worlds largest cruise ports, professional teams race against the clock and the weather to re-supply the biggest cruise ships in the world.

In Baltimore, engineers design and assemble a state-of-the-art, mega-bucket wheel dredge; they now must disassemble it and move it to Saudi Arabia where it will operate in one of the toughest dredge conditions in the world.

Today's Navy fleets are the biggest and best equipped ever with destroyers, carriers, jets, helicopters and submarines that must be ready for anything from terrorism to natural disasters.

The United States Corps of Engineers employs a flotilla of mega marine machines to protect the Mississippi River.

In the harbor at Charleston, South Carolina, mega marine machines are hauling, hoisting, dredging and digging to make way for towering container ships.

Battling the worlds highest tides, a global team of scientists and engineers take to the water to install an underwater turbine that can turn the power of the ocean into clean electrical energy.

The deceptively simple 20-foot shipping container has become the most revolutionary invention of the modern world, moving all of the worlds goods from ship to shore to truck to store.