S127-E-006921 (19 July 2009) --- Astronauts
Mark Polansky (left), commander, and Doug Hurley, pilot, are pictured at Endeavour's aft flight deck controls during flight day five operations with hardware on the International Space Station. The hardware moves will enable the second pair of spacewalkers--mission specialists Dave Wolf and Tom Marshburn--to perform its spacewalk assignment on July 20.