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Hi, I'm aware that if NASA has overruled von Braun's delay in wake of Mercury-Redstone 2 (Ham the Chimp's flight) whose booster got some problems, astronaut Alan Shepard would have became the first man in space instead though Yuri Gagarin would overshadow Shepard's with an orbital flight, making that TL remains much the same as OTL.

Shepard said that he can overcome and survive the problems experienced by Ham the Chimp, so I initially surmise that it would still overally resemble our TL, with the "MR-Booster Development" mission placed in 5th of May instead of 24 March.

However would his Menieres ear disease got more serious if MR-3 ended up overaccelerating like MR-2? If so is there any chance that the TL would remain overally same with OTL (at least up to this point)?
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