Russian cosmonauts Sergey Prokopyev, commander of the current Expedition 69 mission aboard the International Space Station (ISS), and flight engineer Dmitry Petelin are conducting a spacewalk outside the ISS.
The two Roscosmos cosmonauts are scheduled to step outside the orbiting lab on a mission to remove experiment hardware and install new data communications hardware on the ISS's Zvezda and Poisk modules.
This is Prokopyev and Petelin's fifth spacewalk together, and the ninth one conducted outside the ISS this year.
The spacewalk is expected to last about seven hours.
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