191218-N-AJ005-2009 SOUTH CHINA SEA (Dec. 18, 2019) Sailors, assigned to the Arleigh Burke-class guided-missile destroyer USS McCampbell (DDG 85) practice chest compressions during a CPR class. McCampbell is underway conducting operations in the Indo-Pacific region 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 Cody Beam/Released)