S131-E-010163 (14 April 2010) --- Russian cosmonaut Oleg Kotov (left), Expedition 23 commander; and NASA astronaut Alan Poindexter, STS-131 commander, shake hands in the Unity node of the International Space Station while space shuttle Discovery remains docked with the station. NASA astronauts James P. Dutton Jr., STS-131 pilot; and Tracy Caldwell Dyson, Expedition 23 flight engineer, are also pictured.
Date April 14, 2010