List of active United States military watercraft

The United States military has numerous types of watercraft, operated by the Navy, including Naval Special Warfare Command and Military Sealift Command, as well as the Coast Guard, Army and Air Force == Commissioned ships (USN) == === Aircraft carriers === Nimitz class – 10 active Gerald R. Ford class – 1 active === Amphibious assault ships === Wasp class – 7 active America class – 2 active === Amphibious command ships === Blue Ridge class – 2 active === Amphibious transport docks === San Antonio class – 12 active === Attack submarines === Los Angeles class – 23 active Seawolf class – 3 active Virginia class – 24 active === Ballistic missile submarines === Ohio class – 14 active === Classic frigate === USS Constitution – oldest commissioned ship in USN, an 'Original Six' frigate, circa. 1797.

Source: Wikipedia — List of active United States military watercraft (CC BY-SA 4.0)