Jessica Meir

 Total EVAs:  3
 Total EVA time:  21h 44m

No. Date Together with Time Main tasks and notes
 1  18.10.2019  C. Koch  7h 17m
The EVA was needed to replace a faulty battery charge/discharge unit (BCDU). The BCDU failed to activate following the October 11, 2019 installation of new lithium-ion batteries on the space station's truss.
 2  15.01.2020  C. Koch  7h 29m
The astronauts continued to replace nickel-hydrogen batteries with more powerful lithium-ion batteries (working site: P6 Channel 4B battery R&R A-F).
 3  20.01.2020  C. Koch  6h 58m
Their task was again to replace nickel-hydrogen batteries with more powerful lithium-ion batteries on the far end of the station's port truss (working site: P6 Channel 4B battery R&R A-F).

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