190901-N-WP865-1080 ATLANTIC OCEAN (Sept. 1, 2019) Ensign Zachary Dial, assigned to the Harpers Ferry-class dock landing ship USS Oak Hill (LSD 51), feeds ammunition into the MK 38 25mm 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)