160203-N-KM939-073 PACIFIC OCEAN (Feb. 03, 2016) Chief Warrant Officer 4 Dennis Guiriba, from San Jose, California, the ship’s Main Propulsion Assistant, teaches a class on propulsion systems monitoring, aboard the guided-missile destroyer USS Stockdale (DDG 106). Providing a combat-ready force to protect collective maritime interests, Stockdale, assigned to the Stennis strike group, is operating as part of the Great Green Fleet on a regularly scheduled Western Pacific deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class David A. Cox/Released)