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Astronauts perform spacewalk to upgrade ISS systems
Two astronauts perform a spacewalk to upgrade the orbital outpost's power system on the International Space Station.
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Two astronauts perform a spacewalk to upgrade the orbital outpost's power system on the International Space Station.
Posted 2017-01-13T08:07:37-0500 - Updated 2017-01-13T08:09:13-0500
