170106-N-JI086-087 MEDITERRANEAN SEA (Jan. 6, 2017) Damage Controlman 3rd Class Zach White examines a fuel sample aboard the guided missile destroyer USS Porter (DDG 78). 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. (U.S. Navy photo by Mass Communication Specialist Seaman Ford Williams/Released)