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KENNEDY SPACE CENTER, FLA. -- The TDRS-J spacecraft is unpacked and prepared to be moved to a workstand in the Spacecraft Assembly and Encapsulation Facility-2 (SAEF-2) for final checkout and processing before launch, currently targeted for Nov. 20. TDRS-J is the third in the current series of three Tracking and Data Relay Satellites designed to replenish the existing on-orbit fleet of six spacecraft, the first of which was launched in 1983. The Tracking and Data Relay Satellite System is the primary source of space-to-ground voice, data and telemetry for the Space Shuttle. It also provides communications with the International Space Station and scientific spacecraft in low-earth orbit, such as the Hubble Space Telescope, and launch support for some expendable vehicles. This new advanced series of satellites will extend the availability of TDRS communications services until approximately 2017.