Boeing beats out competitors to build hypersonic space plane
By: Jill Aitoro, May 24, 2017
The Defense Advanced Research Projects Agency selected Boeing to design its Experimental Spaceplane, or XS-1, a new class of hypersonic aircraft that can launch to low Earth orbit in days, rather than months or years, the agency announced Wednesday.
http://www.defensenews.com/articles/boeing-to-build-hypersonic-spaceplane