Space Shuttle Endeavour Launches After Five Weather Delays

In this photo provided by NASA, Astronauts Mike Barratt (top-C), Expedition 20 flight engineer, and Dave Wolf (bottom C), STS-127 mission specialist, assist astronaut Tom Marshburn (L) and Christopher Cassidy following the completion of the fourth spacewalk for the joint shuttle-station crews currently aboard the International Space Station while it is docked to the Space Shuttle Endeavour July 24, 2009 in Space.
(July 23, 2009 - Source: NASA/Getty Images North America) more pics from this album »
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