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In preparation for the launch of Vega flight VV02, the AVUM (Attitude Vernier Upper Module) final stage is installed at Europe's Spaceport, Kourou, French Guiana.
The AVUM upper module consists of a propulsion module and an avionics module. The module uses an RD-869 rocket engine liquid-fuel rocket, burning pressure-fed UDMH and nitrogen tetroxide as propellants, built by Yuzhnoye Design Bureau. The AVUM avionics module contains the main components of the avionics sub-system of the vehicle.