190513-N-ZU663-047 ATLANTIC OCEAN (May 13, 2019) The Arleigh Burke-class guided-missile destroyer USS Roosevelt (DDG 80) fires the Mk 45 Mod 2 “5-inch” gun during exercise Formidable Shield 2019. 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 1st Class Susan Damman/Released)