Last updated on April 17, 2014 at 21:23 EDT
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November 7, 2011
Astronauts Christopher Cassidy (left), Dave Wolf (right)and Tom Marshburn (bottom), all STS-127 mission specialists, share a moment shaking hands with one another on the mid deck of the Space Shuttle Endeavour. Tomorrow Wolf and Marshburn will share more than a few moments performing a spacewalk to perform work on the adjoined International Space Station. Then on flight day 10, Marshburn and Cassidy will perform the fourth of five scheduled space walks.