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Watch NASA astronauts during their Saturday spacewalk

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See the live stream of the space walk in the video above.

(CNN) — Astronauts Mike Hopkins and Victor Glover Jr. are spending their Saturday conducting a spacewalk outside of the International Space Station.

The spacewalk, which assists with continued upgrades to the orbiting laboratory, began at 8:14 a.m. ET. It is expected to last for six-and-a-half hours. You can watch the astronauts working outside the space station live on NASA’s TV channel, website and app.

Glover and Hopkins arrived on the space station in November as part of the NASA-SpaceX Crew-1 mission. This will be Glover’s fourth spacewalk and the fifth for Hopkins.

During the spacewalk, Glover is crew member 1 wearing the red-striped suit and Hopkins is crew member 2 in the non-striped suit. Hopkins’ helmet includes a high-definition camera for crystal clear views of his perspective throughout the spacewalk.

Hopkins and Glover have several tasks planned for their spacewalk, including venting early ammonia system jumper cables and relocating one of them and reconnecting it to the current cooling system for more efficiency. Ammonia is part of the station’s cooling system.

Building on tasks they completed together during their spacewalk on January 27, the two NASA astronauts will also connect cables for the European Space Agency’s Columbus module’s Bartolomeo platform and replace a cable for an amateur radio system, according to the agency. Bartolomeo can host external payloads.

Some of their other tasks include replacing a wireless antenna assembly on the first US-built module known as Unity, installing a stiffener on the airlock’s flexible thermal cover where astronauts come and go during spacewalks and routing cables to provide ethernet capabilities for two high-definition cameras outside the station.

A few of the tasks included in this spacewalk are catch-up items that were originally planned for recent spacewalks. However, they were rescheduled for Saturday so the previous spacewalks could be devoted to installing modification kits that will allow for the arrival of new solar arrays outside the station later this year. These arrays will help boost power on the space station.

It’s the fifth spacewalk of 2021 and the 237th spacewalk overall in support of the space station.

The spacewalk occurs around the one-year anniversary of many Americans going into quarantine. Hopkins and Glover addressed the timing in a video released by NASA on Friday.

“We’re there for each other,” Glover said. “From 250 miles up, I see us united as a people. And as we wait for the vaccines to be rolled out and administered, we’re going to be patient and do what’s right. Crew-1 named our Dragon capsule Resilience in part to honor all of you and the amazing tenacity that you’ve shown over the past year while overcoming obstacle after obstacle. Keep it up and take care of each other.”

“Yes, it’s been one tough year,” Hopkins added. “But together we can make sure there’s a brighter year ahead.”

Throughout the pandemic, NASA has been able to safely continue launching astronauts to the space station, including the historic Crew-1 mission that carried Glover and Hopkins, as well as NASA astronaut Shannon Walker and Japanese Aerospace Exploration Agency astronaut Soichi Noguchi.

What’s next

The space station is about to see a flurry of activity over the next month.

Russian space agency Roscosmos cosmonauts Oleg Novitskiy and Pyotr Dubrov and NASA astronaut Mark Vande Hei will launch to the space station from the Baikonur Cosmodrome in Kazakhstan on April 9.

Vande Hei was selected as an astronaut in 2009 and had his first spaceflight experience on the space station from September 2017 to February 2018. During his 168 days aboard the station, Vande Hei conducted four spacewalks.

This time around, Vande Hei and the crew will work on multiple experiments, including studies about Alzheimer’s disease and portable ultrasound devices.

Vande Hei’s flight on the Soyuz spacecraft is part of a contract with Axiom Space of Houston. In return, NASA will essentially save a seat on a future commercial spacecraft launch in 2023 for a non-NASA space station crew member.

While NASA works with Boeing and SpaceX to ensure safe crew transport to and from the space station using US-based launches, grabbing one seat on the Soyuz means that there will always be at least one US crew member on the space station.

After launching from Baikonur in October, Roscosmos cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov and NASA astronaut Kate Rubins will return to Earth on April 17. Crew-1 will return to Earth in April or May.

The return of Crew-1 depends on when Crew-2 launches.

This second rotation using the NASA-SpaceX Crew Dragon spacecraft will include NASA astronauts Shane Kimbrough and Megan McArthur, Japan Aerospace Exploration Agency astronaut Akihiko Hoshide and European Space Agency astronaut Thomas  Pesquet.

Crew-2, which could launch April 22, will join Crew-1 on the space station before Crew-1 returns to Earth.

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