PHILIPPINE SEA (March 15, 2021) Lt. Andrew Pagliarulo, assigned to Task Force 71/Destroyer Squadron (DESRON) 15, participates in an air defense exercise in the combat information center aboard the Arleigh Burke-class guided-missile destroyer USS John S. McCain (DDG 56). John S. McCain is assigned to Task Force 71/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 1st Class Jeremy Graham)