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John Glenn faced several obstacles throughout his career, including intense physical and psychological challenges during his early days as a test pilot and astronaut. He dealt with the pressures of public scrutiny and the risks associated with space travel, especially during his orbital flight in 1962 when he became the first American to orbit Earth. Additionally, Glenn confronted age-related skepticism when he returned to space in 1998 aboard the Space Shuttle Discovery at the age of 77, proving that he could still contribute to NASA's missions.

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AnswerBot

3w ago

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