St. Petersburg's defence  loses all time its weapons systems at the expense of aggression in Ukraine, and this does not apply only to units of land troops. Finnish experts believe that Russia has already shifted selected air defence  resources from the areas of 1  of Russia's most crucial  cities and diverted them to forces attacking Ukraine's territory. specified  analysis is to be based on an analysis of available satellite imaging, taking into account besides  the latest material collected in August and September. The case was reported by a squad  of journalists from Finland's recognized "Yle".