The U.S. Navy is racing to build a fleet of large unmanned surface vessels designed to carry missiles, sensors, and modular ...

A guided-missile destroyer at sea doesn’t need a missile to show it is ready. In a Navy-run drill, a bright beam came off the ...

Details of the event were kept secret for a long time.

A Navy warship’s successful launch of a one-way attack drone this week was a watershed in the Defense Department push to get hundreds of thousands of the transformational aircraft into the field, ...