Keywords: Flickr - Official U.S. Navy Imagery - The space shuttle Discovery flies over Washington, D.C..jpg WASHINGTON April 17 2012 Department of Defense employees watch from the Pentagon River Entrance as the space shuttle Discovery flies over Washington D C on it's way to the Smithsonian National Air and Space Museum's Virginia annex near Dulles Airport Naval Aviators commanded 27 of the 39 Discovery missions U S Navy photo by Chief Mass Communication Specialist Sam Shavers/Released 120417-N-AC887-315 Join the conversation http //www facebook com/USNavy www facebook com/USNavy http //www twitter com/USNavy www twitter com/USNavy http //navylive dodlive mil navylive dodlive mil http //www flickr com/photos/usnavy/7088000645/ The space shuttle Discovery flies over Washington D C 2012-04-17 10 18 http //www flickr com/people/56594044 N06 Official Navy Page from United States of America MCC Sam Shavers/U S Navy Attribution License IPTC Caption-Abstract U S Navy photo PD-USGov-Military-Navy Official U S Navy Imagery http //flickr com/photos/56594044 N06/7088000645 2012-11-13 18 51 39 cc-by-2 0 Space Shuttle Discovery over Washington D C |