170210-N-JI086-072 BLACK SEA (Feb. 10, 2017) Cmdr. Andria Slough, right, commanding officer of the guided-missile destroyer USS Porter (DDG 78), and Ensign Raymond Long observe as the ship conducts a sail pass during Exercise Sea Shield 2017. The exercise is a Romanian-led multinational exercise in the Black Sea to improve interoperability and proficiency of participating units. Porter 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. (U.S. Navy photo by Mass Communication Specialist 3rd Class Ford Williams/Released)