A rocket the Centennial company has worked on for years is cleared for liftoff on billions of dollars worth of military space ...

Vulcan’s certification means SpaceX should have at least one competitor for future launches — though several other firms are ...

While the U.S. Army has exquisite firepower with its expensive long-range precision fire systems, it also wants to amass cheap rockets to target drones or overwhelm an enemy. "If you're familiar with ...