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Photos: EVA to Install a Main Bus Switching Unit

Status Report From: NASA HQ
Posted: Monday, September 10, 2012



NASA astronaut Sunita Williams, Expedition 32 flight engineer, participates in the mission's third session of extravehicular activity (EVA). During the six-hour, 28-minute spacewalk, Williams and Japan Aerospace Exploration Agency astronaut Aki Hoshide (out of frame), flight engineer, completed the installation of a Main Bus Switching Unit (MBSU) that was hampered last week by a possible misalignment and damaged threads where a bolt must be placed. They also installed a camera on the International Space Station's robotic arm, Canadarm2. The thin blue line of Earth's atmosphere and the blackness of space provide the backdrop for the scene. ISS032-E-025280 (5 Sept. 2012) --- high res (1.3 M) low res (94 K)



Japan Aerospace Exploration Agency astronaut Aki Hoshide, Expedition 32 flight engineer, participates in the mission's third session of extravehicular activity (EVA). During the six-hour, 28-minute spacewalk, Hoshide and NASA astronaut Sunita Williams (out of frame), flight engineer, completed the installation of a Main Bus Switching Unit (MBSU) that was hampered last week by a possible misalignment and damaged threads where a bolt must be placed. They also installed a camera on the International Space Station's robotic arm, Canadarm2. A cloud-covered part of Earth is visible in the background. ISS032-E-025174 (5 Sept. 2012) --- high res (1.5 M) low res (109 K)



Japan Aerospace Exploration Agency astronaut Aki Hoshide (left), Russian cosmonaut Yuri Malenchenko and NASA astronaut Sunita Williams, all Expedition 32 flight engineers, pose for a photo in the Quest airlock of the International Space Station during preparations for a spacewalk scheduled for Aug. 30. Hoshide and Williams are partially attired in their Extravehicular Mobility Unit (EMU) spacesuits and are going through a pre-breathing period, which is a normal procedure for spacewalkers in preparation for their extravehicular activity (EVA).ISS032-E-024366 (29 Aug. 2012) --- high res (1.7 M) low res (104 K)



NASA astronaut Sunita Williams, flight engineer, exits the International Space Station's Quest airlock to begin a session of extravehicular activity (EVA) for the Expedition 32 mission. Japan Aerospace Exploration Agency astronaut Aki Hoshide, flight engineer, joined Williams on the spacewalk. ISS032-E-024428 (30 Aug. 2012) --- high res (1.4 M) low res (75 K)

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