Helicopters have one of the most recognizable sounds in aviation. The signature "whop whop" or deep thumping sound announces its arrival long before it appears in the sky. It's a sound so iconic, it's ...
Augmented-reality start-up Red 6 has for the first time equipped a rotorcraft with its technology. The company on 17 November said it has integrated its Advanced Tactical Augmented Reality Systems ...
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