190416-N-QR145-014 VARNA, Bulgaria (April 16, 2019) Cmdr. David Coles, left, commanding officer of the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71), holds a press meeting aboard Ross in Varna, Bulgaria, April 16, 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)