These floating air bases are loaded with dozens of advanced war planes and can launch up to 150 sorties per day. No other nation has deployed a nuclear-powered supercarriers of comparable size and striking power—and the United States Navy operates eleven of them. Meet US Navy's Nimitz-Class Aircraft Carrier: The Reason Why the Navy Is Unstoppable Other videos you might like: How Powerful is AGM-65 Maverick Missile ►