This measure is aimed at protection of the air borders in that part of Russia, which is a strategic direction of the country’s defense. As Igor Muginov put it, S-400 regiments are planned to check their integration in the system of air and space defense in the region. Apart from that, a series of special trainings will be carried out.
As a reference, S-400 is a long-range anti-aircraft missile system designed to reached the target at a distance of up to 400 kilometers.