Meir, Koch Complete Battery Swaps to Upgrade Station Power Systems
(World News Science)

At 1:33 p.m. EST, Expedition 61 Flight Engineers Jessica Meir and Christina Koch of NASA concluded their third spacewalk together. During the six hour and 58-minute spacewalk, the two NASA astronauts successfully completed the battery upgrade for one channel on one pair of the station`s solar arrays. Today`s work included removing the last two nickel-hydrogen batteries from this area of the station`s backbone near the port solar array and moving them to an external platform. The batteries will be stored there...