SOUTH CHINA SEA (Jan. 15, 2021) Sailors simulate conducting compliant boarding on the aft missile deck en route to the pilot house during a visit, board, search and seizure (VBSS) drill aboard the Arleigh Burke-class guided-missile destroyer USS John S. McCain (DDG 56). McCain is assigned to 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 Markus Castaneda)