EAST CHINA SEA (July 7, 2021) Operations Specialist Seaman Apprentice Landon Blackwell, from Gonzales, Texas, monitors surface contacts from the Combat Information Center of the Arleigh Burke-class guided-missile destroyer USS John S. McCain (DDG 56). McCain is assigned to Task Force 71/Destroyer Squadron (DESRON) 15, the Navy’s largest DESRON and the U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 3rd Class Arthur Rosen)