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Ari Daniel, IEEE Spectrum
The U.S. Army is planning to give their helicopters a significant reboot. Its Future Vertical Lift initiative encouraged companies to prototype rotorcraft with better range and speed. They're now in the testing phase.
Bell and Lockheed-Martin are working on the V-280 Valor helicopter. The aircraft has reached sustained flight speeds above 345 miles per hour. (Courtesy of Bell)With its rigid coaxial rotor system and pusher propeller, DEFIANT X will provide the U.S. Army with increased speed, maneuverability and survivability. (Courtesy of Sikorsky and Boeing)
