The medium displacement unmanned surface vessels Seahawk, front, and Sea Hunter launch for the U.S. Pacific Fleet’s Unmanned Systems Integrated Battle Problem 21 (UxS IBP 21), April 20. UxS IBP 21 integrates manned and unmanned capabilities into operational scenarios to generate warfighting advantages. (U.S. Navy photo by Mass Communication Specialist 2nd Class Thomas Gooley) Navy grappling with the future of its unmanned fleet The Navy's new shipbuilding plan and statements by senior officials indicate that the future of the unmanned fleet remains murky. May 16, 2022 By Jon Harper