Take a tour of the largest, most luxurious, most technically advanced ferry in the world. Stena Britannica caters to everyone, from truck drivers to business professionals to vacationing families on its 6-hour jaunt across the English Channel. With 530 cabins, three restaurants, a movie theater, even a casino, she's one super-sized ferry sailing a very busy ferry route. The crew must run a tight ship in tight traffic. One mistake on the bridge, in the engine room, or at the terminal could mean super problems.