Russian Spacewalkers Station's Robotic Arm

Will 'Flex' Space

Two Russian Cosmonauts

will give the International Space Station's new robotic arm a bit of a workout on Thursday.

Russian Cosmonauts

 Oleg Artemyev and Denis Matveev exited the space station at 10:58 a.m. ET to begin their spacewalk, which is expected to last for about six and a half hours.

Live Coverage Of

 the spacewalk is airing on NASA's TV channel and website.

Artemyev Will Be Identifiable In

 the Russian Orlan spacesuit bearing red stripes, while Matveev is wearing a spacesuit with blue stripes.

This Is The Second Spacewalk

 for Matveev and the fifth for veteran spacewalker Artemyev.

Artemyev And Matveev Are

conducting work on the robotic arm outside the Russian Nauka multipurpose module. Their work began during a spacewalk on April 18.

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