Russia Undocks Pirs Module From ISS Ahead of Nauka Module Arrival

MOSCOW (Sputnik) - Russia undocked its old Pirs module, which served in orbit for 20 years, from the International Space Station (ISS) using a Progress MS-16 cargo spacecraft, it will be de-orbited in a few hours, according to a broadcast on Russian State Space Corporation Roscosmos' website.
Sputnik
The docking station of Russia's ISS segment is now free to receive the Nauka multipurpose laboratory module, launched on 21 July and set to dock on 29 July.
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The Pirs module was docked to the ISS in 2001. It was used for 52 spacewalks from the Russian segment of the station.
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