The Sikorsky-Boeing SB>1 Defiant technology demonstrator as seen on 20 February 2020 in West Palm Beach, Florida. US Army test pilots have flown the platform during FLRAA source selection to help the ...
The Sikorsky-Boeing SB>1 Defiant co-axial compound helicopter made its maiden flight on 21 March. The first flight of the Sikorsky-Boeing SB>1 Defiant co-axial compound helicopter for the JMR-TD FVL ...
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