The Sikorsky Boeing SB-1 Defiant combined coaxial rotors and a pusher propeller to achieve high speed and stability. Despite strong performance, range limitations, engine readiness issues, and ...

The Phantom Works unit of aircraft manufacturer Boeing has unveiled a new autonomous tiltrotor concept aimed at military operators. Dubbed the Collaborative Transformational Rotorcraft (styled as CxR ...

Lockheed produces more fighter jets than Airbus, but Airbus wins on the number of military helicopters shipped.