190809-N-SR275-0146 VARNA, Bulgaria (Aug. 9, 2019) Chief Boatswain’s Mate Brian Nichols, assigned to the Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78), watches as the ship pulls into port in Varna, Bulgaria, Aug. 9, 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)