SOUTH CHINA SEA (Oct. 24, 2020) Interior Communications Electrician 3rd Class Tyler Fary, from Perryhall, Md., takes voltage readings on an integrated voice communication system (IVCS) netbox on the flight deck aboard the Arleigh Burke-class guided-missile destroyer USS John S. McCain (DDG 56). McCain is assigned to Destroyer Squadron Fifteen (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)