190310-N-HI376-1030 PHILIPPINE SEA (March 10, 2018) The Arleigh Burke-class guided-missile destroyers USS Milius (DDG 69), USS McCampbell (DDG 85), and USS Curtis Wilbur (DDG 54) are underway in formation during a live-fire gunnery exercise, March 10, 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)