Designed to replace the legendary Black Hawk, the SB-1 Defiant was an advanced coaxial helicopter that promised greater speed, maneuverability, and stealth. A collaboration between Sikorsky and ...
A new helicopter will give the U.S. Army a cutting edge on the battlefield- and put the “quick” in Quick Reaction Force. The Sikorsky-Boeing SB-1 Defiant took its first official ...