Stock Photo - Nine of a total aggregation of 13 astronauts and cosmonauts are pictured at meal time aboard the International Space Station. Seated at the table, clockwise from bottom left, are European Space Agency astronaut Frank De Winne, astronaut Christopher Cassidy, along with astronauts Mike Barratt and Tim Kopra and Canadian Space Agency astronaut Robert Thirsk and astronaut Mark Polansky. From left to right at top are Japanese Aerospace Exploration Agency astronaut Koichi Wakata and Russian Federal Space Agency cosmonauts Roman Romanenko and Gennady Padalka. Not pictured are astronauts Tom Marshburn, Dave Wolf and Doug Hurley, plus Canadian Space Agency astronaut Julie Payette. Seven astronauts left Kennedy Space Center one week ago aboard the Space Shuttle Endeavour to join up with the six Expedition 20 crew members on the orbital outpost to continue work on it. The space fliers have completed two of five scheduled spacewalks up to this point.