180219-M-RT059-073 ATLANTIC OCEAN (Feb. 19, 2018) A U.S. Marine with the Maritime Raid Force, 26th Marine Expeditionary Unit (MEU), engages a target with an M4A1 Carbine Rifle during a combat marksmanship training aboard the dock landing ship USS Oak Hill (LSD 51) while underway in the Atlantic Ocean. The 26th MEU is participating in a deployment at sea to conduct maritime and peacekeeping operations, as well as maintaining relationships with foreign militaries through joint exercises. (U.S. Marine Corps photo by Staff Sgt. Dengrier M. Baez/Released)