A Seahawk medium displacement unmanned surface vessel participates in U.S. Pacific Fleet’s Unmanned Systems Integrated Battle Problem (UxS IBP) 21, April 21. (U.S. Navy photo by Chief Mass Communication Specialist Shannon Renfroe) Navy not accounting for full costs of uncrewed systems, GAO warns The Navy runs the risk of not achieving its stated goals with uncrewed systems if it doesn't establish metrics or cost estimates. Apr 7, 2022 By Mark Pomerleau