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Expedition 59 Flight Engineers Anne McClain of NASA (red stripes) and David Saint-Jacques of the Canadian Space Agency are seen while working outside the International Space Station. In a six and a half hour spacewalk, McClain and Saint-Jacques successfully established a redundant path of power to the Canadian-built robotic arm, known as Canadarm2, and installed cables to provide for more expansive wireless communications coverage outside the orbital complex, as well as for enhanced hardwired computer network capability. The duo also relocated an adapter plate from the first spacewalk in preparation for future battery upgrade operations.