190503-N-QR145-015 MEDITERRANEAN SEA (May 3, 2019) Operations Specialist 2nd Class Derrick Rosenbaum, left, practices proper positioning of an M16 rifle as Fire Controlman 2nd Class Francisco Cacho conducts instruction and safety coach duties during a live-fire exercise aboard the Arleigh Burke-class guided-missile destroyer USS Ross (DDG 71) in the Mediterranean Sea, May 3, 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)