Sikorsky reported successful flight tests for its 115-pound, battery-powered twin prop-rotor unmanned aircraft.

Defiant was an advanced coaxial helicopter that promised greater speed, maneuverability, and stealth. A collaboration between Sikorsky and Boeing, it competed in the U.S. Army’s Future Vertical Lift ...

Evidently, together with Boeing BA, Lockheed is currently developing the SB-1 Defiant helicopter for the U.S. Army's joint ...

China appears to be embarking upon an ambitious, long-term plan to keep pace with U.S. advances in helicopter technology by emphasizing speed; stealth; and innovative, next-generation designs.

The U.S. Army is fast-tracking its Future Vertical Lift (FVL) program in order to develop a new generation of rugged rotorcraft technology with double the range and speed of existing helicopters.