180720-N-UX013-1269 U.S. 5TH FLEET AREA OF OPERATIONS (July 20, 2018) Gas Turbine System Technician (Mechanical) 2nd Class Hector Rosa, left, teaches Damage Controlman 2nd Class Nicole Jackson how to visually inspect a gas turbine generator in a main space aboard the guided-missile destroyer USS Jason Dunham (DDG 109). Jason Dunham is deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central region, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jonathan Clay/Released)