USS Nassau is a Tarawa-class amphibious assault ship. She is capable of transporting over 3,000 Navy and Marine Corps personnel.
She has 1,400 compartmentsabout the same number as a large hotel, has nine elevators and two horizontal conveyorsmore than most department stores. She has 2 boilersthe largest ever manufactured for the United States Navy. They can generate a total of 400 tons of steam per hour and develop 140,000 horsepower (104 MW)equivalent to the power of more than 700 average automobiles. Nassau has electrical power subsystem creating 14 MW to provide electrical power for the shipadequate electrical power to light 11,500 homes for 50,000 people. She has air conditioning equipment rated at a total of 1500 tons (5.3 MW)sufficient to environmentally control a 32-story office building or 500 average homes and can ballast 12,000 tons of seawater for trimming the ship to receive and discharge landing craft from the well deck.