A Salute to John Glenn: 50 Years of American Manned Spaceflight
By Jeffrey Kluger Monday, Feb. 20, 2012
Read more: http://www.time.com/time/health/article/0,8599,2107193,00.html#ixzz1ohn11KCu
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Glenn served in the U.S. Senate for 24 years, representing his home state of Ohio. He ran unsuccessfully for president in 1984. He returned to space in 1998 aboard shuttle Discovery, becoming the oldest spaceman ever at age 77.
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He is now in his 90th year.......................................