![<p>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</p>](https://hagadone.media.clients.ellingtoncms.com/ARTICLE_309219962_AR_0_MJIYWCOFCYCA_t1170.jpg?5cc718665ab672dba93d511ab4c682bb370e5f86)
<p>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</p>
September 21, 2012
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![Endeavour salutes Giffords on final flight](
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September 21, 2012 9 p.m.
Endeavour salutes Giffords on final flight
LOS ANGELES (AP) - Space shuttle Endeavour returned to its California roots Thursday after a wistful cross-country journey that paid homage to NASA workers and former Arizona Rep. Gabrielle Giffords and her astronaut husband.