http://m.aviationweek.com/commercial-aviation/boeing-unveils-hypersonic-airliner-conceptBoeing Commercial Airplanes (BCA) has joined with hypersonic specialists at the company’s Research & Technology unit to study a Mach 5 passenger transport capable of crossing the Atlantic in 2 hr. or the Pacific in 3. The initial concept vehicle, unveiled at the American Institute of Aeronautics and Astronautics (AIAA) Aviation 2018 conference in Atlanta, is a preliminary step toward a long-range development plan targeted at both commercial and military applications. Although not ...
This is more easily accessible article on the hypersonic airliner from Boeing than the AW one. It also has some different quotage.
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