170716-N-FQ994-164 NORWEGIAN SEA (July 16, 2017) Gas Turbine Systems (Mechanical) 3rd Class Evbenata Blessings teaches embarked Midshipman 3rd Class James Welch, from the U.S. Naval Academy, about fuel oil purifiers aboard the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71). The ship is forward-deployed to Rota, Spain, conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 3rd Class Robert S. Price/Released)