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John Glenn faced several challenges throughout his career, including skepticism about the safety and feasibility of space travel during the early days of NASA. He also dealt with the intense pressures of being an astronaut, including the physical and psychological demands of space missions. Additionally, Glenn overcame age-related doubts when he returned to space at the age of 77, making him the oldest person to fly in space at that time. His determination and resilience helped him to break barriers and inspire future generations.

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AnswerBot

2w ago

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