191120-N-ZM949-1115 PACIFIC OCEAN (Nov. 20, 2019) Sailors practice first-aid techniques on the mess deck aboard the Arleigh Burke-class guided-missile destroyer USS Pinckney (DDG 91), Nov. 20, 2019. Pinckney is underway conducting routine training in the eastern Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Erick A. Parsons/Released)