Space Station Astronauts Taking Spacewalk Today: Watch It Live2 min read

Two NASA astronauts will head outside of the International Space Station today (Oct. 10) for the second of three planned spacewalks this month.

Expedition 53 commander Randy Bresnik and flight engineer Mark Vande Hei, who took a spacewalk together last Thursday (Oct. 5), will spend another 6.5 hours working outside the orbiting laboratory today.

They’ll continue working on the Latching End Effector (LEE), a “hand” at the end of the Canadarm2 robotic arm, which they replaced last week, and install some new high-definition cameras outside the space station. You can watch the spacewalk in a livestream here, courtesy of NASA TV.

Bresnik and Vande Hei are slated to exit the Quest airlock around 8 a.m. EDT (1200 GMT). Live coverage of the spacewalk will begin at 6:30 a.m. EDT (1030 GMT), as the astronauts put on their Extravehicular Mobility Units, or spacesuits, and get ready for the day. NASA astronaut Joe Acaba and European Space Agency astronaut Paolo Nespoli will help the spacewalkers get suited up and out the door.

As EV 1, Bresnik will wear the suit with red stripes. Vande Hei is designated EV 2 and will wear a plain white spacesuit with no red stripes. This will be the fourth spacewalk of Bresnik’s career and the second for Vande Hei.

Bresnik’s first objective during this spacewalk will involve “rotating a spare pump flow control subassembly that’s located on the external stowage platform 1 (ESP-1) … to set up for a future ammonia vent of that unit and eventual relocation,” Judd Frieling, NASA’s spacewalk flight director, said at a news conference Monday (Oct. 2).

Meanwhile, Vande Hei will retrieve a foot restraint from the Crew and Equipment Translation Aid (CETA) cart and install it to Canadarm2. “In order to do that, he’ll have to first install a new socket onto the newly repaired latching end effector and then insert his foot restraint,” Glenda Brown, the lead EVA officer for today’s spacewalk, said during the briefing.

With Nespoli operating Canadarm2 from inside the space station, Vande Hei will use the foot restraint to “stand” on the r

Using a type of grease gun known as the ballscrew lubrication tool, or BLT, Vande Hei will then squirt grease into the new LEE that he and Bresnik swapped out during their previous spacewalk.

At the end of the spacewalk, Bresnik will briefly head over to the Tranquility module to remove two handrails to prepare it for the installation of a new external wireless communication system, a type of Wi-Fi network that will be installed on another spacewalk in the future, Brown said.

The third and final spacewalk this month will occur next Wednesday (Oct. 18), when we’ll see Bresnik head out with NASA astronaut Joe Acaba to finish lubricating the LEE and replace a few old HD cameras.

Sebastien Clarke
Sebastien Clarke

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