On Sept. 1, two NASA astronauts will spacewalk outside the International Space Station for the second time in less than two weeks.
NASA Television will provide complete coverage beginning at 6:30 a.m. EDT, with the six-and-a-half hour spacewalk scheduled to begin about 8 a.m.
Working on the port side of the orbiting complex’s backbone, or truss, Expedition 48 Commander Jeff Williams and Flight Engineer Kate Rubins of NASA will retract a thermal radiator that is part of the station’s cooling system. The radiator is a backup that had been deployed previously as part of an effort to fix an ammonia coolant leak. They’ll also tighten struts on a solar array joint, and install the first of several enhanced high-definition television cameras that will be used to monitor activities outside the station, including the comings and goings of visiting cargo and crew vehicles.
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