John Glenn was the only one of the Mercury Seven ... The flight came 36 years after his only other space mission, Mercury-Atlas 6, and was something of a victory lap for the 77-year-old Glenn ...
He was the last surviving astronaut of the original seven from Project Mercury. March 1942 ... February 20, 1962 – An Atlas rocket launches Glenn’s space capsule, the Friendship 7.
Here is a look at the life of John Glenn, the first American to orbit the Earth and a former US senator.PersonalBirth ...