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ISS014-E-13142 (31 Jan. 2007) --- Astronaut Michael E. Lopez-Alegria, Expedition 14 commander and NASA space station science officer, participates in the first of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 7-hour 55-minute spacewalk, Lopez-Alegria and Sunita L. Williams (out of frame), flight engineer, reconfigured one of two cooling loops for the Destiny laboratory module, rearranged electrical connections and secured the starboard radiator of the P6 truss after retraction.
