Former U.S. Congresswoman Gabrielle Giffords and her husband Mark Kelly, the retired astronaut who commanded space shuttle Endeavour's final flight on his last mission in late May 2011, watch Endeavour and its carrier jet making a flyover over Tucson, Arizona, September 20, 2012 in this handout image released to Reuters. Giffords, still recuperating from a gunshot wound to the head suffered in an attempt on her life last year, watched the flyover from the roof of a Tucson parking garage with her husband and mother, according to former aide C.J. Karamargin, who joined them. REUTERS/Mark Kelly/Handout (UNITED STATES - Tags: SCIENCE TECHNOLOGY POLITICS) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS Published: Zář. 21, 2012, 12:54 dop.