190418-N-QR145-018 VARNA, Bulgaria (April 18, 2019) Sailors remove mooring line as the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71) departs Varna, Bulgaria, April 18, 2019. Ross, forward-deployed to Rota, Spain, is on its eighth 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 2nd Class Krystina Coffey/Released)