"A ceremony will be held in the anti-aircraft missile regiment of the 4th Air Force and Air Defence Army of the Southern Military District on January 14 for the command post and the S-400 Triumf battalion to assume combat duty," the press office of Russia's Southern Military District said on Friday, TASS said. The armament of the Guards Sevastopol-Feodosiya anti-aircraft missile regiment was replenished with the advanced S-400 air defence systems in 2016. The Triumf complex is designed to destroy all types of modern and perspective aerospace attack means. It is capable of hitting aerodynamic targets at a range of up to 400 kilometres and tactical ballistic targets flying at a speed of 4.8 km/s at a distance of up to 60 kilometres at altitudes of several meters to several dozen kilometres.