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

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

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

A fully autonomous, unmanned surface vessel - built with no provision for human crew - has been officially christened at a ceremony in the US. DARPA (the US Defense Advanced Research Projects Agency ) ...

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