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Sikorsky-Boeing #SB1 Defiant Completes First Flight

The Sikorsky-Boeing #SB1 DEFIANT™ helicopter completed its first flight on March 21, 2019. More to come on this exciting leap forward in rotorcraft technology! https://www.lockheedmartin.com/en-us/products/sb1-defiant-technology-demonstrator.html https://www.boeing.com/defense/future-vertical-lift/index.page

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