International Space Station Expeditio 15 commander Fyodor Yurchikhin (bottom right) waves to Russian dignitaries on Earth during Cosmonautics Day on April 12, 2007. Also aboard the ISS with him are: (Back row from left) Expedition 14 commander Michael Lopez-Alegria, flight engineer Mikhail Tyurin and Expedition 14 flight engineer Sunita Williams. Bottom row (from left): Expedition 15 flight engineer Oleg Kotov, American space tourist Charles Simonyi, Yurchikhin. Credit: NASA TV.
