191016-N-SR275-0174 BLACK SEA (Oct. 16, 2019) The Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) participates in a trilateral passing exercise with the Ukrainian navy missile cutter UKRS Pryluky (U 153) and the Romanian navy frigate ROS Macellariu (F 265) in the Black Sea Oct. 16, 2019. Porter, forward-deployed to Rota, Spain, is on its seventh patrol 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 T. Logan Keown/Released)