160411-N-PI704-013 ATLANTIC OCEAN (April 11, 2016) An air cushion landing craft (LCAC) approaches the amphibious transport dock ship USS San Antonio (LPD 17). San Antonio is underway with the USS Wasp Amphibious Ready Group participating in Amphibious Ready Group/Marine Expeditionary Unit Exercise. (U.S. Navy photo by Mass Communication Specialist Seaman Jacob Mathews/Released)