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Cassidy and Behnken Wrap Up Battery Spacewalk

1 Jul 2020, 17:15 UTC
Cassidy and Behnken Wrap Up Battery Spacewalk
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NASA astronaut Bob Behnken is pictured tethered to the space station’s truss structure during a spacewalk to swap batteries and route cables .
NASA astronauts Chris Cassidy and Robert Behnken concluded their spacewalk at 12:14 p.m. EDT. During the six hour and one-minute spacewalk, the two NASA astronauts completed half the work to upgrade the batteries that provide power for one channel on one pair of the station’s solar arrays. The new batteries provide an improved and more efficient power capacity for operations.
They successfully moved and connected one new, powerful lithium-ion battery and its adapter place to complete the circuit to the new battery and relocated one aging nickel-hydrogen battery to an external platform for future disposal.
They also loosened the bolts on nickel-hydrogen batteries that will be replaced to complete the power capability upgrade on the far starboard truss and complete the station’s battery replacement work that began in January 2017 with the first series of power upgrade spacewalks. Behnken and Cassidy will complete the work during the final two spacewalks later this month.
Cassidy and Behnken also will route power and ethernet cables in preparation for the installation of a new external wireless communications system with an ...

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