ISS027-E-034494 (19 May 2011) --- Backdropped against a scene showing Earth's horizon and the blackness of space, this image featuring the aft part of the space shuttle Endeavour was photographed by an Expedition 27 crew member aboard the International Space Station while the two spacecraft were docked. Twelve astronauts and cosmonauts were busy aboard the joint complex, moving hardware and preparing for a May 20 space walk.