170301-N-JI086-176 ROTA, Spain (March 1, 2017) Boatswain's Mate 2nd Class Brantley Harper, left, and Seaman Elizabeth Cook perform preventive maintenance on the guided-missile destroyer USS Porter (DDG 78) while the ship sits pierside onboard Naval Station Rota, Spain. 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)