190313-N-WI365-3021 PACIFIC OCEAN (March 13, 2019) Lt. j.g. Brianna Nelson, from Tampa, Florida, prepares to launch an acoustic device countermeasure from the bridge wing of the amphibious dock landing ship USS Ashland (LSD 48) 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)