Cosmonaut Yury V. Usachev (center), Expedition Two mission commander, is flanked by the other crew members--astronauts James S. Voss and Susan J. Helms--who will join him for an extended stay aboard the International Space Station (ISS), beginning in March of this year. Usachev represents the Russian Aviation and Space Agency. The flags representing all the international partners are arrayed at bottom. (Photo: NASA)