Space Station Astronauts Are Taking a Spacewalk Today

Space Station Astronauts Are Taking a Spacewalk Today Watch It Live

Astronauts Randy Bresnik and Mark Vande Hei will be performing a spacewalk outside the International Space Station.

According to NASA, Bresnik and Vande Hei will replace one of two Latching End Effectors (LEE) on the station's robotic arm, Canadarm2.

The outing by Americans Randy Bresnik and Mark Vande Hei ended at 3pm (3am on Friday Singapore time), marking a "very successful day", a Nasa spokesman said.

"The major objective of this first spacewalk is to swap out the degraded Latching End Effector on the Canadarm2 with an identical unit that's now located on the mobile transporter" outside the space station, Judd Frieling, NASA's spacewalk flight director, said at a news conference Monday (Oct. 2).

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Canadarm2, the Canadian robotic arm is one of the essential tools on the ISS.

One LEE typically is used to anchor the arm at various attachment points on the lab complex while the LEE at the other end is used to lock onto and move visiting spacecraft or other large components. For the third spacewalk, Acaba will join Bresnik instead.

Frieling said wear and tear on the LEE became problematic in August, when the latches inside the grapple fixture "stalled out" and "required a little bit more force than normal to extend".

For identification, Bresnik, call sign EV-1, is using helmet camera 18 and wearing a suit with red stripes.

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The astronauts will fix the latching mechanism on the end of the Canadian robotic arm which is not functioning properly. It's the first of three NASA spacewalks planned over the next two weeks.

Linking students directly to astronauts aboard the space station provides unique, authentic experiences created to enhance student learning, performance and interest in science, technology, engineering and math (STEM).

Two more walks are scheduled, one on October 10 and the other this month on October 18. A spare LEE is located along the side of the station's truss.

They replaced one of two Latching End Effectors (LEE) which had lost the ability to grip effectively, said the USA space agency.

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