S134-E-008356 (21 May 2011)--- After more than five months of serving as a flight engineer on back-to-back International Space Station Expedition crews, NASA astronaut Cady Coleman (seen aboard the orbiting complex) is only 48 hours away from returning to Earth. She and two Expedition 27 crewmates will lessen the current population of twelve on the joint Endeavour/ISS complex to nine when they undock on May 23 in a Soyuz spacecraft and return to Earth. Photo credit: NASA