190415-N-QR145-034 VARNA, Bulgaria (April 15, 2019) Sailors heave line from a tugboat as the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71) arrives at Varna, Bulgaria, April 15, 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 Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 2nd Class Krystina Coffey/Released)