SEAD 23 has been conceived in the frame the Ocean 2020 project. It is the fourth USV designed and built by Seadrone. With 7 m overall length and waterjet diesel propulsion, the boat has been designed for ISR and protection missions with a low radar cross section. Built in advanced low flammability composites with a solid fender, its range is of more than 200 miles at 20 knots speed. A termic/day light gyrostabilized camera, solid state radar, sounder and five high resolution pilot cameras. It is managed from a ship or ground console and a small portable one for short distance approach. Among its different functionalities, the SEAD 23 IS capable to drop different type of sensors to the sea and for protection purpose can carry a 12.7 mm RWS.