EAST CHINA SEA (April 19, 2023) Gunner’s Mate 2nd Class Nicholas Olson, from Dedham, Massachusetts, prepares ammo for a .50 caliber machine gun prior to a crew serve weapons live-fire familiarization aboard Arleigh Burke-class guided-missile destroyer USS John Finn (DDG 113). John Finn is assigned to Commander, Task Force 71/Destroyer Squadron (DESRON) 15, the Navy’s largest forward-deployed DESRON and U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 2nd Class Samantha Oblander)