190629-N-QR145-011 BALTIC SEA (June 29, 2019) Damage Controlman 2nd Class Thomas Walsh conducts training on setting condition Zebra during a general quarters drill aboard the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71) in the Baltic Sea, June 29, 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)