On 28 October 2025, the X‑59 QueSST—a sleek, experimental supersonic jet developed by NASA and Lockheed Martin—completed its first test flight, marking a major aviation milestone. The jet soared above the California desert, with take‑off from Plant 42 in Palmdale, California, and a safe landing at NASA’s Armstrong Flight Research Centre near Edwards Air Force Base.
Though the aircraft did not yet fly at full supersonic speed, the flight focused on verifying aircraft systems, safety, and the unique low‑boom design. The jet reached approximately 230 mph (about 370 km/h) at 12,000 feet—well below its eventual target of Mach 1.4…more
Source www.travelandtourworld.com
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