The US INSANE Helicopters That Never Fly #shorts
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The Defiant X faced cancellation
The Defiant X faced cancellation after the U.S. Army chose Bell’s V-280 Valor tiltrotor aircraft. The U.S. Government concluded that Sikorsky’s proposal was “technically unacceptable” due to a failure to substantiate subsystem design in the digital architecture fully.
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در تاریخ 1403/02/27 منتشر شده
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