The Zeus-1 and Zeus-2 motors completed a test launch from the NASA Wallops Flight Facility in Virginia, closing a three-year, $23 million development program.
The U.S. and Japan have chosen Northrop Grumman to continue development of a new long-range hypersonic defense system known as the glide phase interceptor.
A Raytheon/Northrop Grumman team tested an advanced solid rocket motor featuring a propellant grain geometry optimized for long-range, hypersonic missiles.
The hypersonic aircraft developer has completed low-speed taxi tests of its Quarterhorse Mk. 1 vehicle ahead of flight tests planned for later this year.
Stratolaunch says a series of envelope expansion flights have allowed its Roc carrier aircraft to launch the Talon-A hypersonic test vehicle from 35,000 ft.