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Astronauts Begin Spacewalk to Prep for Station Power Upgrades

NASA astronaut Nicole Mann and Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata began a spacewalk at 8:14 a.m. EST to complete the installation of two mounting platforms as part of planned solar array augmentation on the starboard side of the space station’s truss. The duo will complete the installation of a mounting platform on the 1B power channel that was started during a previous spacewalk, and begin installing a mounting platform on the 1A power channel.

The installation is part of a series of spacewalks to augment the International Space Station’s power channels with new International Space Station Roll-Out Solar Arrays (iROSAs). Four iROSAs have been installed so far, and two more will be mounted to the platforms installed during this spacewalk in the future.

Mann, designated as extravehicular crew member 2 (EV 2), is wearing an unmarked suit. Wakata, designated as extravehicular crew member 1 (EV 1), is wearing a suit with red stripes. Coverage of the spacewalk continues on NASA Television, the NASA app, and the agency’s website.

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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Heidi Lavelle

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Crew Ready for Spacewalk and Conducts Biology, Physics Research

The first spacewalk of 2023 will begin on Friday to continue upgrading the International Space Station’s power generation system. The Expedition 68 crew members finalized preparations today for the excursion while continuing advanced space research and orbital lab maintenance.

Astronauts Koichi Wakata of the Japan Aerospace Exploration Agency (JAXA) and Nicole Mann of NASA are due to spend about six-and-a-half hours working outside the station during a spacewalk on Friday. The two flight engineers will turn the batteries on inside their Extravehicular Mobility Units (EMUs), or spacesuits, at 8:15 a.m. EST signifying the start of a six-and-a-half hour spacewalk. The duo will work on the far end of the station’s starboard truss structure in their EMUs and install a modification kit enabling the future installation of a roll-out solar array. NASA TV, on the agency’s app and website, will begin its live spacewalk coverage at 7 a.m.

Wakata and Mann were joined on Thursday by NASA Flight Engineer Frank Rubio for final spacewalk preparations. The two spacewalkers along with Rubio staged tools and hardware inside the Quest airlock during the morning. The trio then spent the afternoon reviewing spacewalk steps and procedures before readying the two spacesuits for operations.

NASA Flight Engineer Josh Cassada focused on science activities throughout Thursday conducting biology and physics research. Cassada began his day in the Kibo laboratory module setting up the Life Science Glovebox to observe biological samples and explore new ways to heal bone conditions on and off the Earth. In the afternoon, he moved over to the Destiny laboratory module exchanging samples inside the Materials Science Research Rack for a study exploring semiconductor crystal growth in space.

The orbiting lab’s three cosmonauts kept up their schedule of ongoing microgravity research and lab upkeep on Thursday. Commander Sergey Prokopyev packed the ISS Progress 81 resupply ship with trash and discarded gear before more conducting more tests on a 3-D printer monitoring the device for excessive noise. Flight Engineer Dmitri Petelin spent all day Thursday servicing life support hardware and electronics gear. Flight Engineer Anna Kikina began her day with a hearing assessment then checked radiation detectors before finally studying future spacecraft and robotic piloting techniques on a computer.

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/videupdate/

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Mark Garcia

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NASA Astronauts Complete Seat Liner Move

On Jan. 17, NASA Flight Engineer Josh Cassada, with assistance from NASA Flight Engineer Nicole Mann, worked inside the SpaceX Dragon Endurance crew ship collecting tools and readying the spacecraft for a seat liner move. The seat liner move, completed today, Jan. 18, ensures NASA Flight Engineer Frank Rubio will be able to return to Earth in the unlikely event of an emergency evacuation from the International Space Station. Rubio originally launched to the station with cosmonauts Sergey Prokopyev and Dmitri Petelin aboard the Soyuz MS-22 crew ship on Sept. 21, 2022. The change allows for increased crew protection by reducing the heat load inside the MS-22 spacecraft for Prokopyev and Petelin in case of an emergency return to Earth.

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/videupdate/

Get the latest from NASA delivered every week. Subscribe here: www.nasa.gov/subscribe

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Mark Garcia

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