On July 27, 2009 astronauts T.Marshburn and C.Cassidy conducted a 4-hour, 54-minute spacewalk and completed the mission’s work on the outside of the Japanese Kibo laboratory. The pair installed video cameras on the front and back of the new Japanese Exposed Facili
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On July 24, 2009 astronauts C.Cassidy and T.Marshburn finished replacing batteries on the International Space Station’s oldest solar arrays during a 7-hour, 12-minute spacewalk – the fourth of five planned during space shuttle Endeavour’s STS-127 mission. They installed four of six new batteries for the P6 Truss structure, where a pair of solar array wings collects sunlight for power generation. They stored four more of the old batteries onto a cargo carrier for return to Earth. Inside the complex, Tim Kopra choreographed the activities. Mission specialists Koichi Wakata an
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On July 22, 2009 mission specialists D.Wolf and C.Cassidy began the STS-127 mission’s third spacewalk at 14.32 UTC and ended it at 20.31 UTC when Cassidy’s CO2 levels increased more than expected as the two were in the midst of installing six new batteries used to absorb solar energy for electricity production when the station is not in sunlight. They completed two battery installations before ending the spacewalk. The remainder will be installed during the fourth spacewalk Friday.
On July 17, 2009 the space shuttle Endeavour docked with the International Space Station at , delivering the final pieces of the Japanese Kibo complex and a new flight engineer to join the Expedition 20 crew. The shuttle and station crews opened hatches and greeted each other at