A technician adjusts the neck wrap of astronaut John Glenn in this Feb. 20, 1962 photo. Thirty-five years to the day after becoming the first American in orbit, John Glenn announced Thursday, Feb. 20, 1997, that he would not seek a fifth term in the U.S. Senate. Glenn was elected to the Senate in 1974 on a wave of popularity that followed his historic space mission. He has served four consecutive six-year terms. (AP Photo/file)