Best Mercury
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1
John Glenn
John Glenn was the first American to orbit the Earth, a feat that solidified his status as an American hero. Decades later, he returned to space at age 77 aboard the Space Shuttle Discovery, becoming...
9.2
Excellent
2
Alan Shepard
Alan Shepard was the first American to fly in space, completing a suborbital flight in 1961. Years later, he overcame a career-threatening inner ear condition to command the Apollo 14 mission, where h...
8.0
Very Good
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