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 Boeing ...

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 ...

Discover the SB‑1 Defiant story - Sikorsky and Boeing's compound-coaxial helicopter built on X2 technology, reaching over 245 knots and hauling battlefield rockets. Despite test flights, fly‑by‑wire ...

Bell Helicopter and Sikorsky/Boeing could usher in a new era for military rotorcraft in 2017 when they fly their competing V-280 Valor and SB-1 Defiant technology demonstrators. In the final days of ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...