In February 2022, the Japanese passenger ferry Sunflower Shiretoko sailed autonomously for 750 kilometers.[1]British RNMB Harrier, an autonomous USV of the Atlas Elektronik ARCIMS mine warfare system (2020)A passenger USV demonstration at Hampton, Virginia, United States (January 2009)
An unmanned surface vehicle, unmanned surface vessel or uncrewed surface vessel (USV),[2][3] colloquially called a drone boat, drone ship[4] or sea drone, is a boat or ship that operates on the surface of the water without a crew.[5] USVs operate with various levels of autonomy, from remote control[6] to fully autonomous surface vehicles (ASV).[7]