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Progress M-UM

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Progress M-UM (Russian: Прогресс М-УМ), was a specially modified Progress M, Russian production No.303, used to deliver the Prichal module to the Russian Orbital Segment (ROS) of the International Space Station (ISS). It was launched on 24 November 2021 at 13:06:35 UTC. The spacecraft consisted of a Progress M propulsion compartment, with the pressurized cargo section of the spacecraft removed to accommodate Prichal. This was the 171st flight of a Progress spacecraft. It was the final flight of a Progress M and the first launch of a Progress spacecraft on a Soyuz 2.1b.