In this photo provided by NASA, space shuttle Enterprise rolls from the space hangar at the Steven F. Udvar-Hazy Center prior to a transfer ceremony, Thursday, April 19, 2012, in Chantilly, Va. Space ... more 
In this photo provided by NASA, space shuttle Enterprise rolls from the space hangar at the Steven F. Udvar-Hazy Center prior to a transfer ceremony, Thursday, April 19, 2012, in Chantilly, Va. Space shuttle Discovery on Thursday will take Enterprise's place representing the nation's shuttle program at the National Air and Space Museum's Udvar-Hazy Center, becoming the first orbiter flown in space to go on public display. (AP Photo/NASA, Paul E. Alers) less 
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Associated Press | Photo By NASA, Paul E. Alers
Thu, Apr 19, 2012 3:28 PM EDT