190925-N-MW694-0155 SOUTH CHINA SEA (Sept. 25, 2019) Sailors spray fresh water on the deck after testing the aqueous film forming foam (AFFF) sprinklers on the Arleigh Burke-class guided-missile destroyer USS William P. Lawrence's (DDG 110) foc'sle. William P. Lawrence is underway conducting routine 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 Caledon Rabbipal/Released)