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 Committee in 1978. He became the chairman of the East Asian and Pacific Affairs Subcommittee, for which he traveled to Japan, Korea, the Republic of China, and the People's Republic of China. Glenn helped to pass the Taiwan Enabling Act of 1979. The same year, Glenn's stance on the SALT II treaty caused another dispute with President Carter. Due to the loss of radar listening posts in Iran, Glenn did not believe that the U.S. had the capability to monitor the Soviet Union accurately enough to verify compliance with the treaty. During the launching ceremony for the , he spoke