Gunner's Mate 3rd Class Trey Dyer applies lubricant

Gunner's Mate 3rd Class Trey Dyer applies lubricant to the receiver of a MK38 25mm machine gun aboard the amphibious assault ship USS Boxer (LHD 4). Boxer is the flagship for the Boxer Amphibious Ready Group and, with the embarked 13th Marine Expeditionary Unit, is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Joe Bishop/Released)