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US EVA-52 (TBD)


Astronauts are slated to venture outside the International Space Station to continue the replacement of the outpost's batteries that started in early 2017.

U.S. EVA-52 is expected to be the first of two spacewalks that will see the replacement of the old nickel-hydrogen batteries on the station's P4 truss 4A power channel with new lithium-ion units.

These batteries were brought to the ISS inside the unpressurized section of the Japanese-built Kounotori 7 cargo ship and were stored on the exterior of the outpost.

Earlier Event: December 20
Start of Expedition 58
Later Event: January 2
US EVA-53 (TBD)