Sikorsky-Boeing Defiant Helicopter Won't Fly This Year: Officials

The Sikorsky-Boeing SB>1 Defiant helicopter program will miss its first scheduled tests due to "minor technical issues."

Sikorsky-Boeing Defiant Helicopter Won't Fly This Year: Officials
The Sikorsky-Boeing SB>1 Defiant helicopter program will miss its first scheduled tests due to "minor technical issues."