The ship, named the USX-1 Defiant, is the prototype resulting from about five years of work by the Defense Advanced Research ...

The Defiant will have to pass one final test that comes in the form of a long voyage out on the open seas, facing different ...

DARPA christened the USX-1 Defiant, a 180-foot fully autonomous medium unmanned surface vessel built for the U.S. Navy.

Freeland-based Nichols Bros. Boat Builders built the hull and assembled the ship. Addressing the critical issue of affordable ...

Following its christening, the USX-1 Defiant soon will begin an at-sea demonstration of its reliability and endurance. The ...

A fully autonomous, unmanned surface vessel - built with no provision for human crew - has been officially christened at a ...

DARPA's autonomous Unmanned Surface Vessel (USV), the USX-1 Defiant, took a major step toward operational status as a bottle ...

Defiant is getting closer to embarking on a key long-endurance cruise that could have important ramifications for the U.S.

DARPA has marked a traditional naval milestone with the christening of USX-1 Defiant, a first-of-its-kind autonomous, ...

Serco announced today that the USX-1 Defiant, its groundbreaking prototype vessel for the No Manning Required Ship (NOMARS) ...

The Defense Advanced Research Projects Agency (DARPA) on Monday christened its prototype for the No Manning Required Ship ...

DARPA has christened USX-1 Defiant, the first surface vessel built with no space for crew. The Aug. 11 ceremony at Everett ...