180316-N-MU198-268 ATLANTIC OCEAN (Mar. 16, 2017) The Arleigh Burke-class guided-missile destroyer USS Mitscher (DDG 57) fires its five-inch gun during a live-fire exercise. Mitscher is underway participating in the Carrier Strike Group Four task force exercise in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Danny Ray Nu–ez Jr./Released)