An unusual Russian drone shot down by Ukrainian air defences has revealed the return of a forgotten aviation breakthrough. Disguised as an FPV quadcopter, it features a striking ring-shaped closed-wing design first explored in the 1980s.
Once studied by Lockheed Martin to improve aircraft efficiency, this retro innovation has resurfaced on the battlefields of Ukraine – enhancing range, payload, and lethality.
An idea from the past is reshaping the future of warfare.
Watch in full: https://www.youtube.com/watch?v=Wg1Sj6jThxE
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