The San Antonio-class is a class of amphibious transport dock ships used by the United States Navy. Designed to support Marine Corps operations, these ships can transport and land troops, equipment, and supplies directly onto shore. They are equipped with a flight deck for helicopters and can carry various landing craft. These vessels are named after cities in the United States, with the lead ship being the USS San Antonio (LPD-17). The San Antonio-class features advanced technology, including improved command and control systems, making them versatile assets for modern naval operations.