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Enthusiastic Smithsonian Institute contractors Ashley Koen (left), and Stephanie Harris (right) get interviewed by the press during the Welcome Discovery Ceremony at the Smithsonian's Udvar-Hazy Center on April 19, 2012.   Mike Lynaugh

Enthusiastic Smithsonian Institute contractors Ashley Koen (left), and Stephanie Harris (right) get interviewed by the press during the Welcome Discovery Ceremony at the Smithsonian's Udvar-Hazy Center on April 19, 2012. 

Mike Lynaugh