The NASA Space Shuttle Discovery sits on a road prior to a welcoming ceremony at the Smithsonian's National Air and Space Museum annex in Chantilly, Va., on April 19, 2012. (Rod Lamkey Jr./The Washington Times)
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The NASA Space Shuttle Discovery sits on a road prior to a welcoming ceremony at the Smithsonian's National Air and Space Museum annex in Chantilly, Va., on April 19, 2012. (Rod Lamkey Jr./The Washington Times)
