Russia's 50R6 or S-350E 'Vityaz', a medium-range surface-to-air missile system, entered service with the Russian Aerospace Forces (Vozdushno-kosmiches-kiye sily: VKS) on 26 February 2020. The S-350E system is designed to replace the early-model S-300PS and shares the 9M96 missile developed for use by S-400 systems, although no active S-400 systems have been seen using the 9M96. Russia's military news outlet, TV Zvezda, published a video on 26 February of the Vityaz system at the air defence training centre near Gatchina. A Maxar satellite image of Gatchina captured the following day confirmed the location.
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