The Sikorsky-Boeing SB1 DEFIANT™ helicopter is advancing through its ground runs at the Sikorsky Development Flight Center in West Palm Beach, Florida. Defiant, with its rigid, co-axial design, represents a leap forward in technology from conventional helicopters. This tech will help the military achieve its desired speed and range, while improving maneuverability and survivability in a cost-effective package for decades to come. | Future Weapons