S106-E-5200 (13 September 2000) --- Cosmonaut Yuri I. Malenchenko, mission specialist representing the Russian Aviation and Space Agency, works aboard the Zvezda service module on the International Space Station (ISS). Electrical work was the hallmark of this day as four of the mission specialists aboard ISS (temporarily docked with the Space Shuttle Atlantis) replaced batteries inside the Zarya and Zvezda modules while supply transfer continued around them. Astronaut Edward T. Lu, mission specialist, is out of frame at right.