The Sikorsky-Boeing SB1 Defiant helicopter achieved first flight today at Sikorsky's West Palm Beach, Florida site. This revolutionary aircraft, developed by Sikorsky, a Lockheed Martin Company, and Boeing, will help inform the next generation of military helicopters as part of the U.S. Army's Future Vertical Lift program.
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| Prototype of the SB-1 Defiant modern coaxial helicopter (Picture source: Sikorsky- Boeing) |
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