37K views · 1.1K reactions | New video from Sikorsky and The Boeing Company shows the SB>1 Defiant helicopter lifting a 5,300-lb. training load during a test flight last week. It's the latest development milestone for the prototype, which exceeded 230 knots in level flight in May. | Vertical Plus | Facebook
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37K views · 1.1K reactions | New video from Sikorsky and The Boei…
37.7K views1 week ago
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DEFIANT X Long-Range Assault Helicopter Successfully Performs Technology Demonstration and Low-Level Flight Tests
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SB>1 Defiant helicopter starts flight tests
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Defiant X attack helicopter completes first mission profile test flights
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Sikorsky-Boeing DEFIANT X Advanced Assault Helicopter Revealed
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New SB-1 Defiant Helicopter Hits 238 MPH Speed Milestone
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Sikorsky And Boeing Unveil The Defiant X That Will Compete For T…
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SB>1 DEFIANT Helicopter Completes Long-Endurance Fligh…
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In a single flight, the SB>1 DEFIANT demonstrated the agility, power, a…
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Lockheed Martin and Boeing debut Defiant X advanced assault helico…
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Sikorsky-Boeing #SB1 Defiant Begins Ground Runs
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Defiant high-speed helicopter successfully begun ground tests
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