Opinion
Found and Explained Official on MSNOpinion
Why the SB-1 Defiant lost the Army helicopter contract
The Sikorsky Boeing SB-1 Defiant combined coaxial rotors and a pusher propeller to achieve high speed and stability. Despite strong performance, range limitations, engine readiness issues, and ...
Dark Tech Official on MSN
Defiant X: The helicopter built for the future
Sikorsky and Boeing created the Defiant X as a high speed replacement for the legendary Black Hawk combining new rotor ...
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