ISS010-E-33563 (26 January 2005) --- Astronaut Leroy Chiao, Expedition 10 commander and NASA ISS science officer, wearing a Russian Orlan spacesuit, participates in the first of two sessions of extravehicular activities (EVA) performed by the Expedition 10 crew during their six-month mission. Chiao and cosmonaut Salizhan S. Sharipov (out of frame), flight engineer representing Russia's Federal Space Agency, spent 5 ½ hours outside the International Space Station (ISS) installing a work platform, cables and robotic and scientific experiments on the exterior of the Zvezda Service Module. Station solar array panels are visible near Chiao. Earth�s horizon and the blackness of space provided the backdrop for the image.