A lethal Russian hardware seems to be heading towards the Ukraine border as per some footage circulating in social mediaIt is the Buk-M1 air defense system that has the NATO reporting name SA-11 Gadfly.Viewers may note that this is the same system that a Dutch-led joint investigation team concluded had shot down Malaysia Airlines Flight 17 by launching a missile from pro-Russian separatist-controlled territory in Ukraine in July 2014.This is concerning development for Ukraine as well as the West.In this video Defense Updates analyzes how Russia is sending a message by deploying a notorious air defense system near Ukraine’s border?