CARIBBEAN SEA (Jun. 29, 2016) – Hospital Corpsman 2nd Class Jennifer Lewis, assigned to Harper’s Ferry-class dock landing ship USS Oak Hill (LSD 51), second from right, demonstrates treating a penetrating arm wound on Boatswain’s Mate 3rd Class Danielle Aponte, left, during stretcher bearer training. Stretcher bearers learn basic medical responses so they can assist in the event of a mass casualty. Oak Hill is currently deployed to the U.S. 4th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Desmond Parks/RELEASED)