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iss023e020003

February 9, 2012
ISS023-E-020003 (7 April 2010) --- This view of the aft portion of the space shuttle Discovery, including the three main engines and part of the cargo bay, was provided by an Expedition 23 crew member during a survey of the approaching vehicle prior to docking with the International Space Station. As part of the survey and part of every mission's activities, the STS-131 Discovery crew performed a back-flip for the rendezvous pitch maneuver (RPM). The image was photographed with a digital still camera, using a 400mm lens at a distance of about 600 feet (180 meters).