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Boeing reveals hypersonic passenger jet design and works with DARPA on spaceplane
The passenger concept can be used for military or commercial applications. It is just one of several hypersonic vehicle concepts spanning a wide range of potential applications company engineers are studying. Engineers are working companywide to develop enabling technology will position the company for the time when customers and markets are ready to reap the benefits of hypersonic flight.
Boeing Phantom Express hypersonic spaceplane targeted for 2020 unveiling
Aerojet Rocketdyne revealed the first rocket engine for Boeing new "Phantom Express" hypersonic spaceplane. The spaceplane is for a DARPA program for rapid deployment of satellites into space. The AR-22 engine can be reused for up to 55 missions.
DARPA's Experimental Spaceplane program (formerly known as XS-1) aims to build and fly the first of an entirely new class of hypersonic aircraft.