PACIFIC OCEAN (April 21, 2021) An MQ-9 SeaGuardian unmanned maritime surveillance aircraft system flies over the Independence-variant littoral combat ship USS Coronado (LCS 4) during U.S. Pacific Fleet’s Unmanned Systems Integrated Battle Problem (UxS IBP) 21, April 21, 2021. 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)