SOUTH CHINA SEA (Dec. 26, 2023) The Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) fires a Mark 15 Phalanx close-in weapon system during a live-fire exercise. Carl Vinson, flagship of Carrier Strike Group (CSG) 1, is deployed to the U.S. 7th Fleet area of operations in support of a free and open Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 3rd Class Joshua Sapien)