In this Jan. 25, 2012 photo, Sen. John Glenn speaks during an interview at his office in Columbus, Ohio. Glenn was the first American to orbit Earth, piloting Friendship 7 around the planet three times in 1962. Glenn, as a U.S. senator at age 77, also became the oldest person in space by orbiting Earth with six astronauts aboard shuttle Discovery in 1998. (AP Photo/Jay LaPrete)
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