FILE - In this Feb. 20, 1962 file photo provided by NASA, astronaut John Glenn climbs into his Friendship 7 space capsule atop an Atlas rocket at Cape Canaveral, Fla., ready for the flight which made ... more 
FILE - In this Feb. 20, 1962 file photo provided by NASA, astronaut John Glenn climbs into his Friendship 7 space capsule atop an Atlas rocket at Cape Canaveral, Fla., ready for the flight which made him the first American to orbit the earth. NASA's mighty astronaut corps has become a shadow of what it once was. And it's only going to get smaller. It's down to 60 from an all-time high of 149 just a decade ago, with more departures coming once Atlantis returns this week from the very last space shuttle voyage. (AP Photo/NASA, File) less 
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Associated Press | Photo By NASA, File
Sun, Jul 17, 2011 1:40 PM EDT