SOUTH CHINA SEA (March 11, 2022) Fire Controlman 2nd Class Samuel Thomas, left, from Carol Stream, Ill., and Gunner's Mate Seaman Robert Mora, right, from Houston, discuss safety boundaries prior to a live-fire exercise of the Close-in Weapons System (CWIS) aboard the Arleigh Burke-class guided-missile destroyer USS Ralph Johnson (DDG 114). Ralph Johnson is assigned to Task Force 71/Destroyer Squadron (DESRON) 15, the Navy's largest forward-deployed DESRON and the U.S. 7th fleet's principal surface force. (U.S. Navy photo by Mass Communication Specialist 2nd Class Samantha Oblander)