NASA grants Lockheed Martin $248M contract to develop a quieter supersonic jet

The Concorde was a generation ago, yet its legend persists — and the dream of supersonic flight may be returning. NASAand Lockheed Martin are taking concrete steps toward the creation of jets that travel faster than the speed of sound but are “about as loud as a car door closing.”
NASA announced today that it has awarded Lockheed a juicy $247.5 contract to produce a single “X-plane,” or experimental plane, meeting certain requirements by the end of 2021. The company