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KENNEDY SPACE CENTER, FLA. -- In the foreground, astronauts Tim Kopra, Michael Fincke, Soichi Noguchi, and Salizhan Sharipov (arms foldled) peer up at the Node 2 module in the Space Station Processing Facility. They and other astronauts are familiarizing themselves with the various elements to be installed on the International Space Station on future spaceflights. With construction of the Space Station the primary focus of future shuttle missions, astronaut crews will be working with one or more of the elements and hardware already being processed in the SSPF. Photo credit: NASA/Kim Shiflett