DefenceTalkThe experimental low-cost XS-1 will be able to fly at escape-velocity speeds and catapult 3,000-pound payloads into orbit – and it’ll be able to do it again and again. This week the Pentagon’s Defense Advanced Research Projects Agency (DARPA) solicited design proposals for a satellite-launching robotic space plane, signaling that development of the futuristic aerospace […]https://www.defencetalk.com/darpa-sets-sights-on-robotic-space-plane-for-next-generation-warfare-67559/