What role will F-15 jets play in the future of supersonic flight?

NASA Armstrong adds two retired F-15 jets to support supersonic research for the X-59, enabling high-altitude flights and ...

Key Points and Summary - The X-15 was a rocket-powered research aircraft that pushed human flight to the edge of space and deep into the hypersonic regime. -Air-launched from a B-52, three X-15s flew ...

Space agency doubles the jet fighter research fleet for its X-59 quiet supersonic flight program.

An aircraft capable of hitting 4,520 mph (nearly seven times the speed of sound) is ludicrous to even think about, but the North American X-15 achieved this, defying comparison to any other aircraft ...