151112-N-EH218-081 PACIFIC OCEAN (Nov. 12, 2015) The guided-missile destroyer USS Spruance (DDG 111) fires its Mk-45 Mod. 4 five-inch gun during a live-fire exercise. Spruance is underway conducting qualifications in preparation for a scheduled deployment next year. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ryan J. Batchelder/Released)