The X-59 literally and figuratively moved closer to our Jan. 12 rollout event when it went to a run stall for further testing at our Skunk Works® facility in Palmdale. The quiet supersonic demonstrator is aiming to help @NASA overturn regulations banning supersonic flight over land. | Lockheed Martin

The Boeing X-32 was a multi-purpose jet fighter in the Joint Strike Fighter contest. It lost to the Lockheed Martin X-35 demonstrator, which was further developed into the F-35 Lightning II. In September 2000 the X-32A made its first flight, and it made a total of 66 flights during four months of testing. The flights demonstrated the aircraft's handling qualities for inflight refueling, weapons bay operations and supersonic flight. The aircraft was moved to the National Museum of the United Stat

Boeing’s “Turkey Slurper” X-32 The Boeing X-32 is a concept demonstrator aircraft that was designed for the Joint Strike Fighter competition. It lost to the Lockheed Martin X-35 demonstrator, which was further developed into the Lockheed Martin F-35 Lightning II. | Aviation Addicts