PACIFIC OCEAN (April 24, 2021) A long range unmanned surface vessel (LRUSV) operates alongside the Arleigh Burke-class guided-missile destroyer USS Stockdale (DDG 106) in the Pacific Ocean during U.S. Pacific Fleet�s Unmanned Systems Integrated Battle Problem (UxS IBP) 21. UxS IBP 21 integrates manned and unmanned capabilities into challenging operational scenarios to generate warfighting advantages. (U.S. Navy photo by Chief Petty Officer Benjamin Forman)