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PACIFIC OCEAN (April 21, 2021) A Seahawk medium displacement unmanned surface vessel sails by Arleigh Burke-class guided-missile destroyer USS Fitzgerald (DDG 62) during U.S. Pacific Fleet’s Unmanned Systems Integrated Battle Problem (UxS IBP) 21, April 21. UxS IBP 21 integrates manned and unmanned capabilities into challenging operational scenarios to generate warfighting advantages. (U.S. Navy photo by Chief Mass Communication Specialist Shannon Renfroe)