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American hero, former NASA astronaut and United States Senator, John Glenn, is introduced by Udvar-Hazy Museum Director General J.R. "Jack" Dailey during the Welcome Discovery Ceremony at the Smithsonian's Udvar-Hazy National Air and Space Museum's annex on April 19, 2012.    Mike Lynaugh

American hero, former NASA astronaut and United States Senator, John Glenn, is introduced by Udvar-Hazy Museum Director General J.R. "Jack" Dailey during the Welcome Discovery Ceremony at the Smithsonian's Udvar-Hazy National Air and Space Museum's annex on April 19, 2012. 

Mike Lynaugh