200104-N-CL550-0441 SEA OF JAPAN (Jan. 4, 2020) Damage Controlman 3rd Class Caitlin Dunn, from Cooper City, Fla., dons a helmet during a live-fire gunnery exercise aboard the Arleigh Burke-class guided-missile destroyer USS Milius (DDG 69). Milius 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 2nd Class Taylor DiMartino/Released)