Proprotor blades stop and fold back and propulsion transitions from turboshaft to turbofan to accelerate the X-76 to speeds ...

US hypersonic aircraft developer Hermeus has secured experimental type certification from the Federal Aviation Administration ...

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 ...

The X-76 is the latest in a long series of experimental X-planes developed by the Defense Advanced Research Projects Agency (DARPA).

United Airlines Ventures (UAV), the venture capital arm of United Airlines, has announced an investment in aerospace startup Astro Mechanica. Astro Mechanica’s adaptive propulsion concept and advanced ...

Kratos Defense will utilize the Hermeus high-speed Quarterhorse aircraft as part of its support work for the U.S. Navy and Missile Defense Agency’s Multi-Service Advanced Capabilities Hypersonic ...

As science fiction technology quickly continues becoming real, the U.S. military now has plans for an experimental plane taken straight out of video games.

During the late 1940s and early 1950s, supersonic flights were still a new idea. The US Air Force and NACA (now NASA) engineers wanted to study supersonic flight, not only at Mach 1 but also at Mach 2 ...