ISS030-E-015674 (25 Dec. 2011 --- The six Expedition 30 crew members assemble in the U.S. Lab (Destiny)aboard the International Space Station for a brief celebration of the Christmas holiday on Dec. 25. In front are Expedition 30 Commander Dan Burbank (right) and Flight Engineer Oleg Kononenko. On the back row, left to right, are Flight Engineers Don Pettit, Anatoly Ivanishin, Andre Kuipers and Anton Shkaplerov (suspended with his feet anchored above the group). Burbank and Pettit are NASA astronauts; Kononenko, Shkaplerov and Ivanishin are Russian cosmonauts; and Kuipers represents the European Space Agency.