190314-N-WI365-1153 PACIFIC OCEAN (March 14, 2019) The amphibious dock landing ship USS Ashland (LSD 48) sails behind a formation during a training exercise with other U.S. Navy warships. 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 Markus Castaneda/Released)