Nimitz-Class Supercarrier – The 100,000-Ton Floating Airbase The mighty Nimitz-class aircraft carrier of the United States Navy is a nuclear-powered giant and one of the largest warships ever built. Displacing over 100,000 tons, this floating fortress can carry up to 90 fighter jets and helicopters, project air power anywhere on Earth, and operate for decades without refueling its reactors. With a crew of nearly 6,000 personnel, it is not just a ship—it is a fully mobile military airbase dominat