Shuttle Endeavour makes final flight

Space shuttle Endeavour makes a final flight across the country to the California Science Center, where it will be permanently displayed.

Space shuttle Endeavour flies over Ellington Field in Houston atop the shuttle aircraft carrier Wednesday, Sept. 19, 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/David J. Phillip)

Space shuttle Endeavour flies over Ellington Field in Houston atop the shuttle aircraft carrier Wednesday, Sept. 19, 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/David J. Phillip)

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