TASMAN SEA (July 7, 2021) The Arleigh Burke-class guided-missile destroyer USS Rafael Peralta (DDG 115) fires its 5-inch gun during exercise Pacific Vanguard 2021. Pacific Vanguard, an exercise involving U.S., Australian, Republic of Korea navies and Japan Maritime Self Defense Force, is designed to strengthen maritime operations in the multilateral environment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Daniel Serianni)