HOUSTON - Astronauts aboard shuttle Discovery and the international space station geared up Friday for the first spacewalk of their joint mission and the robotic installation of a new live-in compartment, called Harmony.
Spacewalkers Scott Parazynski and Douglas Wheelock donned their spacesuits and were preparing to help astronauts inside the station use a robotic arm to transfer Harmony from Discovery's payload bay to its position on the orbiting lab.
The Italian-made module is about the size of a school bus, weighing nearly 16 tons. It will serve as the docking port for European and Japanese laboratories that will be delivered on the next three shuttle flights.
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