The US Defense Advanced Research Projects Agency (DARPA) has picked Boeing to design and build the XS-1 military space plane, a robotic spacecraft for launching small satellites. Boeing's design, called Phantom Express, is shown here in an artist's concept. | Boeing

Experimental US Military Spaceplane the ‘Phantom Express’ to Be Built by Boeing

The Pentagon's Defense Advanced Research Projects Agency (DARPA) announced that it had selected Boeing for the next phase of its XS-1 project.

Boeing's Phantom Express XS-1 space plane design is shown in launch position in this artist's concept. The autonomous spacecraft is designed to launch vertically, deploy a second stage payload in orbit and return to Earth for a runway landing. | Boeing