DARPA, Boeing Spaceplane Would Be ‘Roughly the Size of a Business Jet’

What do you get when you mix a business jet with a spaceship? Presumably, it would result in Phantom Express, Boeing and the U.S. Defense Advanced Research Project Agency’s (DARPA) aircraft-like vehicle. DARPA selected Boeing to complete advanced design work, and investment is coming from both parties. The United States is looking to develop low-cost,…