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NASA TV Goes Live Wednesday to Broadcast Spacewalk

30 Jun 2020, 19:30 UTC
NASA TV Goes Live Wednesday to Broadcast Spacewalk
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NASA astronaut Bob Behnken is pictured during a spacewalk to swap station batteries on June 26.
NASA astronauts Chris Cassidy and Robert Behnken are scheduled to depart the International Space Station’s Quest airlock Wednesday for a spacewalk to complete battery replacement activities to upgrade one of two power channels on the station’s far starboard truss (S6 Truss). The upgrade includes removing six aging nickel-hydrogen batteries and replacing them with three new lithium-ion batteries and the adapter plates that complete the power circuit to the new batteries.
The duo will set their spacesuits to battery power about 7:35 a.m. EDT Wednesday, signifying the start of their spacewalk, which will last between six and seven hours. NASA will begin its live coverage on NASA Television and the agency’s website at 6 a.m.
In a prior spacewalk June 26, Cassidy and Behnken began the work to complete the upgrade to this initial power channel, additionally completing some of the tasks originally scheduled for today. The remaining tasks for today are to install one more lithium-ion battery and one more adapter plate and remove the sixth nickel-hydrogen battery that will no longer be used. NASA animation depicts the originally scheduled spacewalk activities. The new ...

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