190901-N-WP865-1056 ATLANTIC OCEAN (Sept. 1, 2019) Gunner's Mate 2nd Class Aireyon Gonzalez, left, and Ensign Zachary Dial, both assigned to the Harpers Ferry-class amphibious dock landing ship USS Oak Hill (LSD 51), prepare to load a Mark-38 25 mm machine gun in preparation for a live-fire exercise, Sept. 1, 2019. Oak Hill is underway conducting an Amphibious Ready Group, Marine Expeditionary Unit Exercise (ARGMEUEX) with the Bataan Amphibious Ready Group and the 26th Marine Expeditionary Unit. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brenton Poyser/Released)