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Bell’s DARPA X-Plane Win Signals Tiltrotor as the Future of Rotorcraft

July 21 2025

Bell concept rendering released for DARPA SPRINT X-Plane program. Image—Bell.

The future of U.S. military rotorcraft took another step toward tiltrotor technology following Bell’s recent down-select to develop a high-speed, hovering X-plane design for the Pentagon. As part of the joint Defense Advanced Research Projects Agency (DARPA) and U.S. Special Operations Command (SOCOM) project, Bell announced last week that it was the sole company moving into Phase 2.

Now tasked with...

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