DARPA sets sights on Robotic Space Plane for next generation warfare
The experimental low-cost XS-1 will be able to fly at escape-velocity speeds and catapult 3,000-pound payloads into orbit - and ...
The experimental low-cost XS-1 will be able to fly at escape-velocity speeds and catapult 3,000-pound payloads into orbit - and ...
The U.S. military said Tuesday it has awarded contracts to three companies to design an experimental spaceplane conceived as a ...