ISS020-E-043967 (1 Oct. 2009) --- Expedition 20 crew members pose for an in-flight crew photo in the Harmony node of the International Space Station. On the front row are Russian cosmonaut Gennady Padalka (center), commander; along with Canadian Space Agency astronaut Robert Thirsk (left) and NASA astronaut Michael Barratt, both flight engineers. Pictured from the left (back row) are NASA astronaut Nicole Stott, Russian cosmonaut Roman Romanenko and European Space Agency astronaut Frank De Winne, all flight engineers.