WASHINGTON — X-Bow Systems, a startup that builds solid rocket motors, has raised an additional $35 million in Series B ...

Lockheed Martin is fast-tracking X-Bow Systems as a new, independent supplier of solid-rocket motors and other services, the ...

The Dark Eagle can exceed five times the speed of sound and has a range 1,725 miles, but those numbers are likely to improve ...

The successful demonstration of inertial measurement unit technology on a hypersonic aircraft is an industry first.

As the air defense missile stocks run low and the future of U.S. military aid to Ukraine grows increasingly uncertain, Kyiv ...

As the air defense missile stocks run low and the future of U.S. military aid to Ukraine grows increasingly uncertain, Kyiv ...

The Missile Defense Agency's effort to field an NGI is also delayed by roughly 18 months or more, its director said.