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DARPA's High-Speed VTOL SPRINT Aircraft Receives X-76 X-Plane Designation

DARPA has assigned the designation X-76 to the Speed and Runway Independent Technologies (SPRINT) project, a Bell proof-of-concept technology demonstrator for a high-speed tiltrotor. The DARPA ...
Aviation Week Network

Inside NASA’s X-59 Low-Boom Demonstrator

As the first major piloted NASA X-plane to fly in a generation and the first crewed, purpose-built U.S. high-speed research aircraft since the X-15 of the 1960s, the X-59 low-boom ...
autoevolution

NASA Releases More Chase Plane In-Flight Photos of the X-59, And They’re Glorious

At the end of October 2025, American space agency NASA finally flew, for the first time, its brand-new X-59 quiet supersonic research aircraft. It was a rather short, unspectacular flight, but it ...