After some scrubbed attempts, NASA’s X-59 QueSST flew for the first time from Air Force Plant 42 in Palmdale on Oct. 28, 2025. In a landmark milestone for ...
Key Points and Summary – NASA’s X-43A wasn’t a paper study—it was a 12-foot, hydrogen-fueled experimental jet that proved an ...
Key Points - NASA's X-43A hypersonic research vehicle, part of the "Hyper-X" program, still holds the world record for an air-breathing aircraft, achieving a speed of Mach 9.64 (6,363 mph) in ...