Boeing, DARPA to design, build, test experimental spaceplane

Boeing, DARPA to design, build, test experimental spaceplane

Phantom Express aims to enable faster, more affordable small satellite launches.

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Military/UAV/UAS

Phantom Express is envisioned as a highly autonomous experimental spaceplane, shown preparing to launch its expendable second stage on the top of the vehicle in this artist’s concept. (Boeing rendering)

Boeing and the U.S. Defense Advanced Research Projects Agency (DARPA) are collaborating to design, build, and test a technology demonstration vehicle for the Experimental Spaceplane (XS-1) program.

Boeing will develop an autonomous, reusable spaceplane capable of carrying and deploying a small expendable upper stage to launch small (3,000 lb/1,361kg) satellites into low Earth orbit. Boeing and DARPA will jointly invest in the development.

Once the spaceplane – called Phantom Express – reaches the edge of space, it would deploy the second stage and return to Earth. It would then land on a runway to be prepared for its next flight by applying operation and maintenance principles similar to modern aircraft.

“Phantom Express is designed to disrupt and transform the satellite launch process as we know it today, creating a new, on-demand space-launch capability that can be achieved more affordably and with less risk,” says Darryl Davis, president, Boeing Phantom Works.

The Aerojet Rocketdyne AR-22 engine, a version of the legacy Space Shuttle main engine, would power the spaceplane. It is designed to be reusable and operates using liquid oxygen and liquid hydrogen fuel.

Phantom Express would offer an advanced airframe design as well as third-generation thermal protection to create a vehicle capable of flying at high flight velocity, while carrying a smaller, more affordable expendable upper stage to achieve the mission objectives.

In the test phase of the program, Boeing and DARPA plan to conduct a demonstration of 10 flights across 10 days.