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S122-E-008297 (13 Feb. 2008) --- Attired in their Extravehicular Mobility Unit (EMU) spacesuits, European Space Agency (ESA) astronaut Hans Schlegel (left) and NASA astronaut Rex Walheim, both STS-122 mission specialists, are pictured in the Quest Airlock of the International Space Station as the mission's second spacewalk draws to a close. NASA astronaut Peggy Whitson, Expedition 16 commander, assisted Schlegel and Walheim.
