Lockheed Martin unveils prototype of its promising supersonic plane

Jefferson-Park-39Back-the-Blue39-rally-draws-hundreds-of-supporters-counter-protest

U.S. arms maker Lockheed Martin Corp has released a photo of the first prototype of its supersonic X-plane, the X-59 Quiet SuperSonic Technology (QueSST), during ​the beginning of the final assembly process. The company says […]

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