18.09.2013 04:35 Uhr, Quelle: Engadget

DARPA's XS-1 program aims for an unmanned spaceship with aircraft-like costs

The reusable spacecraft we've seen so far haven't really lived up to their billing: vehicles like the Space Shuttle or SpaceShipTwo require elaborate, expensive launches. If DARPA succeeds with its just-announced XS-

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