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

DARPA officially named its first-ever seafaring ship built to carry no humans, it will be known from now on as the USX-1 ...

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

DARPA has its eyes on the skies with this program, but it is also going autonomous in the seas. Earlier this week, it ...

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

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

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

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 ...

Serco Inc., a provider of professional, technology, engineering, and management services, announced the christening of the ...

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

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

Defiant_, inches closer to operational status. The autonomous warship is designed for year-long, crewless sea operations.