DARPA Teams With Industry to Create Spaceplane

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Darpa  DARPA has created an Experimental Spaceplane (XS-1) to create a new paradigm for more routine, responsive, and affordable space operations. In an important step toward that goal, DARPA has awarded prime contracts for Phase 1 of XS-1 to three companies: The Boeing Company (working with Blue Origin, LLC), Masten Space Systems (working with XCOR Aerospace), and Northrop Grumman Corporation (working with Virgin Galactic).

The XS-1 program aims to develop a fully reusable unmanned vehicle that would provide aircraft-like access to space and deploy small satellites to orbit using expendable upper stages. XS-1 seeks to deploy small satellites faster and more affordably, and develop technology for next-generation hypersonic vehicles.

XS-1 envisions that a reusable first stage would fly to hypersonic speeds at a suborbital altitude. At that point, one or more expendable upper stages would separate and deploy a satellite into Low Earth Orbit (LEO). The reusable first stage would then return to Earth, land, and be prepared for the next flight.

(source: Tech Briefs, DARPA)