CAPE CANAVERAL, FL - MARCH 29: Commander Mark Kelly, climbs out of his T-38 jet after arriving at the shuttle landing facility for the Terminal Countdown Demonstration Test at Kennedy Space ... more 
CAPE CANAVERAL, FL - MARCH 29: Commander Mark Kelly, climbs out of his T-38 jet after arriving at the shuttle landing facility for the Terminal Countdown Demonstration Test at Kennedy Space Spacecraft Center, on March 29, 2011 in Cape Canaveral, Florida. The TCDT will culminate in a full dress rehearsal for the planned April 19th launch of Space Shuttle Endeavour’s final scheduled flight to the International Space Station before being retired. (Photo by Mark Wilson/Getty Images) less 
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Getty Images | Photo By Mark Wilson / Getty Images
Tue, Mar 29, 2011 7:04 PM EDT