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ISS014-E-13528 (8 Feb. 2007) --- Astronauts Sunita L. Williams, flight engineer, and Michael A. Lopez-Alegria, commander and NASA ISS science officer, don their extravehicular mobility unit (EMU) space suits onboard the International Space Station prior to one of several Expedition 14 spacewalks. This marks the third extravehicular activity in nine days.
