NASA has announced that it will air three spacewalks from astronauts at the International Space Station, who will complete battery upgrades and finalize repairs to a cosmic ray detector, the agency said.
Expedition 61 Flight Engineers Jessica Meir and Christina Koch of NASA are scheduled to conduct spacewalks to finish replacing nickel-hydrogen batteries with new lithium-ion batteries that store power generated by the station´s solar arrays on the station´s port truss.
NASA astronaut Andrew Morgan and space station Commander Luca Parmitano of ESA (European Space Agency) will exit the station to finish installing the Alpha Magnetic Spectrometer´s (AMS) new cooling apparatus and lines begun in November and December, and verify they are ready for use.
These will be the second and third spacewalks for Meir, who will be extravehicular crew member 1 (EV1) for both spacewalks. Koch, who will be extravehicular crew member 2 (EV2), will perform the fifth and sixth spacewalks of her career.
Morgan, who will be EV1 for the AMS spacewalk, and Parmitano, who will be EV2, performed the three previous spacewalks to repair the spectrometer, which is searching for dark matter and antimatter in the universe using the station´s unique location and capabilities for scientific research.
The spacewalks will be the 225th, 226th and 227th in support of space station assembly and maintenance.