ISS016-E-036371 (17 April 2008) --- Russian Federal Space Agency cosmonauts Sergei Volkov (center), Expedition 17 commander; Oleg Kononenko (right), flight engineer; and NASA astronaut Garrett Reisman, flight engineer, pose for a portrait during the ceremony of Changing-of-Command from Expedition 16 to Expedition 17 in the Harmony node.