John Glenn of the Mercury Seven. Glenn resigned from NASA in January 1964. He planned to run for a U.S. Senate seat from Ohio, but an injury in February 1964 forced his withdrawal. He retired from the Marine Corps the following year. He lost a close primary election in 1970. A member of the Democratic Party, Glenn first won election to the Senate in 1974 and served for 24 years until January 1999. In 1998, while still a sitting Senator, Glenn flew on the "Discovery" space shuttle's STS-95 mission, and became the oldest person to fly in space and the only person
John Glenn of Freedom. Glenn was the seventh astronaut to receive this distinction. The Congressional Gold Medal and the Presidential Medal of Freedom are considered the two most prestigious awards that can be bestowed on a civilian. The Society of Experimental Test Pilots awarded Glenn the Iven C. Kincheloe award in 1963, and he was inducted into the International Air & Space Hall of Fame in 1968, National Aviation Hall of Fame in 1976, the International Space Hall of Fame in 1977, and the U.S. Astronaut Hall of Fame in 1990. In 2000, he received the U.S. Senator John Heinz Award for