https://techcrunch.com/2017/09/12/rolls-royce-planning-autonomous-naval-ship-for-patrol-surveillance-and-mine-detection/

Rolls-Royce is designing an autonomous naval ship capable of patrol, surveillance, mine detection and fleet screening. The latest version of the ship is 60m long and capable of traveling for 100 days. With a top speed above 25 knots, the ship maintains a range of 3,500 nautical miles.

The company is banking on a future where large, human operated, ships operate in consonance with smaller autonomous ships. Automating traditionally manual operations has the potential to simultaneously save money and increase safety.