NASA News: NASA Completes Milestone Toward Quieter Supersonic X-Plane

NASA Completes Milestone Toward Quieter Supersonic X-Plane NASA has achieved a significant milestone in its effort to make supersonic passenger jet travel over land a real possibility by completing the preliminary design review (PDR) of its Quiet Supersonic Transport or QueSST aircraft design. Published June 26, 2017 Read more from NASA Manage this Applet