defensemirror3h
Lockheed Martin Prepares for X-59's First Flight
Lockheed Martin, in partnership with NASA Aeronautics, has begun engine run testing for the X-59 QueSST, marking the final ...
Yahoo Finance5h
X-59 Engine Roars, Lockheed Martin Starts Last Major Ground Test
The X-59 is a one-of-a-kind test aircraft designed to achieve quiet supersonic flight and transform future commercial air ...