190510-N-VH871-001 ATLANTIC OCEAN (May 10, 2019) The Arleigh Burke-class guided-missile destroyer USS Roosevelt (DDG 80) fires its Mark 45 Mod 2 5-inch gun during exercise Formidable Shield 19. Formidable Shield is designed to improve allied interoperability in a live-fire, integrated air and missile defense environment using NATO command and control reporting structures. (U.S. Navy photo by Mass Communication Specialist 2nd Class Austin Ingram/Released)