DARPA plans to award the first design contracts for its XS-1 space plane project in May or thereabouts. The agency wants the XS-1 to get off the ground in late 2017 and make an orbital test flight the following year.
DARPA plans to award the first design contracts for its XS-1 space plane project in May or thereabouts. The agency wants the XS-1 to get off the ground in late 2017 and make an orbital test flight the following year.