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Spacewalk begins for another round of space station battery swap outs

25 days ago   |   By Spaceflight Now

Now in the home stretch of a complex, multi-year upgrade, two space station astronauts floated outside the lab complex Thursday and pressed ahead with the third of four spacewalks the current crew is carrying out to complete the replacement of aging batteries in the station's solar power system.
Station commander Chris Cassidy and astronaut Robert Behnken began the excursion at 7:10 a.m. EDT, switching their spacesuits to battery power while still inside the Quest airlock. That officially kicked off the 230th spacewalk, or EVA, since ISS assembly began in 1998, the sixth so far this year...
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