In the Space Station Processing Facility astronaut Peggy Whitson learns about the hardware the technician is holding.

In the Space Station Processing Facility, astronaut Peggy Whitson learns about the hardware the technician is holding. The hardware will be flown on an upcoming shuttle flight. 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