https://www.bairdmaritime.com/security/naval/unmanned-naval-systems/darpas-long-endurance-usv-prototype-hits-the-water
DARPA's long-endurance USV prototype hits the water
Serco recently floated out a new medium-sized unmanned surface vehicle (USV) being developed in fulfilment of an order by the US Defense Advanced Research...
long enduranceusv prototypethe waterdarpahits