Expedition 16 commander Peggy Whitson (far right) officially hands over command of the International Space Station to Expedition 17 commander Sergei Volkov (far left) during an April 17, 2008 ceremony. Other crewmembers include (clockwise from left) Expedition 17 flight engineers Oleg Kononenko, Garrett Reisman, South Korean astronaut So-yeon Yi and Expedition 16 flight engineer Yuri Malenchenko. Credit: NASA TV
