Watch Live as NASA Astronauts Prep for Spacewalk to Upgrade Station Power System

NASA spacewalker Josh Cassada rides the Canadarm2 robotic arm carrying the roll-out solar array to its installation site on the Starboard-4 truss segment. Credit: NASA TV
NASA spacewalker Josh Cassada rides the Canadarm2 robotic arm carrying the roll-out solar array to its installation site on the Starboard-4 truss segment. Credit: NASA TV

NASA Television coverage of today’s spacewalk with NASA astronauts Josh Cassada and Frank Rubio is now underway and is also available on the NASA app, the space station blog and the agency’s website.

The crew members of Expedition 68 are preparing to exit the International Space Station‘s Quest airlock for a spacewalk expected to begin about 8:30 a.m. EST and last approximately seven hours.

NASA astronauts Josh Cassada and Frank Rubio will exit the station’s Quest airlock to install an International Space Station Roll-Out Solar Array (iROSA) to augment power generation for the 4A power channel on the station’s port truss structure. The iROSAs will increase power generation capability by up to 30%, increasing the station’s total available power from 160 kilowatts to up to 215 kilowatts.

Rubio will serve as extravehicular crew member 1 (EV 1) and will wear a suit with red stripes. Cassada will serve as extravehicular crew member 2 (EV 2) and will wear the unmarked suit. The spacewalk will be the third for both Cassada and Rubio.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: https://roundupreads.jsc.nasa.gov/videoupdate/

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