
Britain’s Rolls-Royce revealed plans to offer a a large autonomous naval vessel for single-role missions on Tuesday.Unlike small drones or unmanned undersea submersibles, the company described the vessel as being able to operate over-the-horizon for over 100 days, reach speeds over 25 knots, and conduct various single-role missions like patrol and surveillance, mine detection, and fleet screening,The 60-meter long vessel will displace 700 metric tons, have a range of 3,500 nautical miles, and feature a full electric propulsion system, the…