|The Seven in front of an Air Force craft. Glenn is third from left. (NASA)|
|The Seven in their Mercury spacesuits (NASA)|
NASA considers 508 servicemen. During tests, these pilots are shaken, blasted with noise, made to sit with their feet in ice water, and forced to blow up balloons until they are exhausted.
Finally, on April 9, 1959, NASA chooses seven astronauts who instantly become famous as the Seven. John Glenn, Jr. is one of them. At 37, he is the oldest and holds the highest military rank Lieutenant Colonel in the Marines. Born July 18, 1921, in Cambridge, Ohio, Glenn flew combat missions in both World War II and the Korean War. The red headed, freckle-faced man and his wife Annie have a teenaged son and daughter.