Amy Butler and Graham Warwick report the program is a precursor to the Army’s planned Future Vertical Lift Medium (FVL-M) program to acquire a new helicopter starting in the mid-2030s.
Boeing and Sikorsky announced Monday that they would build a SB.1 Defiant rigid coaxial-rotor compound helicopter for the program’s first phase.
Aviation Week reports that Bell Helicopter will construct a V-280 Valor tiltrotor for its part in the first phase.