190308-N-HI376-2045 PHILIPPINE SEA (March 8, 2018) The Ticonderoga-class guided-missile cruiser USS Chancellorsville (CG 62) fires a Mark 45 5-inch lightweight gun during a live-fire gunnery exercise with other U.S. Navy warships, March 8, 2019. U.S. Navy warships train together to increase the tactical proficiency, lethality, and interoperability of participating units in an Era of Great Power Competition. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jeremy Graham/Released)