Preparing for spacewalks

SS036-E-014724 (3 July 2013) --- ESA astronaut Luca Parmitano (right) and NASA astronaut Chris Cassidy (left) , both Expedition 36 flight engineers, attired in their Extravehicular Mobility Unit (EMU) spacesuits, participate in a 'dry run' in the International Space Station's Quest airlock in preparation for the first of two sessions of extravehicular (EVA) scheduled for 9 July  and 16 July. NASA astronaut Karen Nyberg, flight engineer, assists the pair.