Space Shuttle Endeavour sits atop the shuttle aircraft carrier, flies over downtown Austin, Texas early Thursday, Sept. 20, 2012. Endeavour is making a final trek across the country to the California ... more 
Space Shuttle Endeavour sits atop the shuttle aircraft carrier, flies over downtown Austin, Texas early Thursday, Sept. 20, 2012. Endeavour is making a final trek across the country to the California Science Center in Los Angeles, where it will be permanently displayed. (AP Photo/Marco Hanson) less 
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Associated Press | Photo By Marco Hanson
Thu, Sep 20, 2012 2:53 PM EDT