American hero, former NASA astronaut and United States Senator, John Glenn, participates in the Welcome Discovery Ceremony at the Smithsonian's Udvar-Hazy National Air and Space Museum's annex on April 19, 2012.

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American hero, former NASA astronaut and United States Senator, John Glenn, participates in the Welcome Discovery Ceremony at the Smithsonian's Udvar-Hazy National Air and Space Museum's annex on April 19, 2012.

© Mike Lynaugh