Astronaut David Saint-Jacques will become the first Canadian spacewalker in 12 years when he embarks on a roughly seven-hour mission planned for today.
Canadian Space Agency robotics flight controllers will provide support to the Canadian astronaut while he performs his mission with NASA astronaut Anne McClain.It is scheduled to begin just after 8 a.m. EDT. It involves several tasks, including relocating a battery adaptor plate, upgrading the station's wireless communication system and connecting jumper cables along the midpoint of the station's main truss to give Canadarm2 an alternative power source.
Canadarm 2 is a sort of robotic hand that is crucial to maintaining the space station, and the cables would allow the arm to make repairs in case of an outage without requiring a spacewalk. The Canadian record for the most spacewalks is held by retired astronaut Dave Williams, who ventured outside the space station three times during a 2007 mission for a total of nearly 18 hours.
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