This is a narrated animation previewing the steps and activities to be performed by the International Space Station astronauts during the battery replacement spacewalk on Jan. 13.
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Station astronauts complete second battery swap spacewalk

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Japanese cargo carrier set for launch Friday
Japan’s sixth HTV supply ship is slated to depart a picturesque spaceport on Tanegashima Island on Friday to start a four-day pursuit of the International Space Station with a cache of experiments, supplies and six lithium-ion batteries to begin overhauling the orbiting lab’s vast electrical system.