"Defiant X" Enters U.S. Army FLRAA Derby
Sikorsky and Boeing unveiled a slicker version of their SB-1 “Defiant” for the U.S. Army's $40 billion future long range assault aircraft competition.
The Defiant X features a rigid coaxial rotor system and pusher propeller.
The Defiant X features a rigid coaxial rotor system and pusher propeller.