ISS020-E-029759 (10 Aug. 2009) --- Expedition 20 crew members give a "thumbs-up" signal as they pose in "star-burst" formation for an in-flight portrait in the Harmony node of the International Space Station. Pictured clockwise from the bottom (center) are cosmonaut Gennady Padalka, commander; NASA astronaut Tim Kopra, Canadian Space Agency astronaut Robert Thirsk, cosmonaut Roman Romanenko, European Space Agency astronaut Frank De Winne and NASA astronaut Michael Barratt, all flight engineers.