SOUTH CHINA SEA (Jan. 15, 2021) Sailors conduct "horseshoe maneuvers" in a rigid-hull inflatable boat prior to boarding the Arleigh Burke-class guided-missile destroyer USS John S. McCain (DDG 56) during a visit, board, search and seizure drill. John S. McCain is assigned to Destroyer Squadron (DESRON) 15, the Navy’s largest forward-deployed destroyer squadron and the U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 2nd Class Markus Castaneda)