U.K. Royal Marines Want to Acquire Autonomous Hybrid Surface, Subsurface Stealth Vessel

USNI News – Britain’s Ministry of Defense (MoD) has issued a pre-procurement notice for a unique type of vessel to help the Royal Marine Commandos. The document outlines an ‘uncrewed surface and subsurface vessel’ (USSV). The vessel must be multi-payload, have a low signature, and long endurance, according to the notice.