The five-ton Prichal docking module arrived at the International Space Station at 10:19 a.m. EST, propelled by a modified Russian Progress propulsion compartment. They docked to the Nauka module on the Earth-facing facet of the Russian phase two days after lifting off from the Baikonur Cosmodrome in Kazakhstan Wednesday, November 24 at 8:06 a.m. EST (6:06 p.m. Baikonur time). The spacecraft had been flying about 260 miles over Ukraine at the time of docking.
To make room for Prichal, the uncrewed Progress 78 cargo craft undocked from Nauka at 6:23 a.m. Thursday, November 25, and burned up upon reentry within the Earth’s ambiance later that morning.
Prichal, named for the Russian phrase for pier, has 5 obtainable docking ports to accommodate a number of Russian spacecraft and supply gas switch functionality to the Nauka module. Named for the Russian phrase for “science,” Nauka launched to the area station in July.
The modified Progress transport spacecraft that guided Prichal to the station will stay in place till late December.
On November 24, 2021, at 16:06:36 Moscow Time, a launch automobile Soyuz-2.1b lifted-off from Launch Pad No.31 of the Baikonur Cosmodrome, carrying the Cargo Transportation Spacecraft-Module (CTSCM) Progress M-NM designed to ship the Node Module (NM) Prichal to the International Space Station (ISS).