Lockheed Martin's X-59 QuessT with quiet SuperSonic ... Lifelong Friends Are Paying Tribute to the Beloved Log Lady in a Documentary About Her Life Clemson's Brownell 'disappointed' after team ...

In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...