The UM (Uzlovoy Module) or NM (Node Module) is a node to be added to the Russian part of the ISS complex. It is also named Prichal. UM will be delivered by a modified Progress space tug, called Progress-M-UM. The UM will be docked to the nadir port of the MLM (Nauka) module, providing four ports to mount additional modules and one docking port for cargo and crew spacecrafts.
Soyuz-2 is the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage.
Progress Rocket Space Centre, formerly known as TsSKB-Progress, is a space science and aerospace research company which is known for manufacturing launch vehicles and satellites. Most notably, Progress Rocket Space Centre is the manufacturer of Soyuz launch vehicles.INFO WIKI