The Expedition 14 and Expedtioon 15 crews aboard the International Space Station share warm embraces during a traditional change of command ceremony aboard the outpost on April 17, 2007. From left to right: Expedition 14 flight engineer Mikhail Tyurin, Expedition 15 commander Fyodor Yurchikhin, Expedition 14 commander Michael Lopez-Alegria, Expedition 15 flight engineers Sunita Williams and Oleg Kotov (partially obscured). Credit: NASA TV.
