The Space Shuttle Endeavour is ferried by NASA's Shuttle Carrier Aircraft (SCA) over downtown Austin, Texas early Thursday, Sept. 20, 2012. Endeavour is making a final trek across the country to the ... more 
The Space Shuttle Endeavour is ferried by NASA's Shuttle Carrier Aircraft (SCA) 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/Statesman.com, Alberto Martinez ) MAGS OUT; NO SALES; INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM less 
1 / 21
Associated Press | Photo By Statesman.com, Alberto Martinez
Thu, Sep 20, 2012 2:52 PM EDT