PHILIPPINE SEA (Jan. 28, 2021) Sailors aboard the Arleigh Burke-class guided-missile destroyer USS Benfold (DDG 65) spray aqueous film forming foam (AFFF) while testing for agent during a training exercise on the ship's flight deck. Benfold 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 Deanna C. Gonzales)