Lead Spacewalk Officer for US EVA #31 Art Thomason narrated this animation that shows the upcoming tasks for the third and final spacewalk planned for Expedition 42. NASA astronauts Barry Wilmore and Terry Virts are preparing the International Space Station for a pair of international docking adapters (IDAs) that will allow future commercial crew vehicles to dock. During US EVA #31, Wilmore and Virts will work to install the Common Communications for Visiting Vehicles (C2V2) system which will aid future visiting commercial crew vehicles during rendezvous and docking. The system consists of two booms with four antennas and three specialized reflectors that will require 400 feet of new cabling to be routed from the center of the station structure out to the two booms.
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