On February 20, 1962, John H. Glenn, Jr., became the first American to orbit the Earth. Glenn circled the Earth three times during a flight that lasted a total of 4 hours, 55 minutes, and 23 seconds.
Credit: NASA
On February 20, 1962, John H. Glenn, Jr., became the first American to orbit the Earth. Glenn circled the Earth three times during a flight that lasted a total of 4 hours, 55 minutes, and 23 seconds.
Credit: NASA
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