NASA Hires Lockheed Martin to Build Quiet Supersonic X-Plane

The space agency announced today (April 2) that it has awarded the aerospace company Lockheed Martina $247.5 million contract to design and build a new X-plane, known as the Low-Boom Flight Demonstrator (LBFD), which may soar silently over the U.S. by 2022.

Source: space.com