Sikorsky-Boeing #SB1 Defiant Begins Ground Runs

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.

https://www.lockheedmartin.com/en-us/products/sb1-defiant-technology-demonstrator.html
https://www.boeing.com/defense/future-vertical-lift/index.page