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KENNEDY SPACE CENTER, FLA. -- From the payload changeout room on Launch Pad 39A, the payloads for mission STS-120 have been transferred into space shuttle Discovery's payload bay. Seen at the lower end is the Italian-built U.S. Node 2 module, named Harmony. At the top is the orbital docking system. The red ring at top comprises rain gutters to prevent leaks into the bay from rain while the shuttle is on the pad. Mission STS-120 will bring the Harmony module that will provide attachment points for European and Japanese laboratory modules to the International Space Station. Launch of Discovery is targeted for Oct. 23. Photo credit: NASA/George Shelton