SOUTH CHINA SEA (Oct. 18, 2020) The Arleigh Burke-class guided-missile destroyer USS John S. McCain (DDG 56) transits the South China Sea during routine operations. McCain is underway conducting operations in support of security and stability in the Indo-Pacific while 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 3rd Class Andrew Langholf)