190509-N-ZU663-052 ATLANTIC OCEAN (May 9, 2019) Logistics Specialist 3rd Class Lamar Barnes climbs a ladderwell while investigating for casualties during a general quarters drill aboard Arleigh Burke-class guided-missile destroyer USS Roosevelt (DDG 80). Roosevelt is underway in support of 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)