21.4.18 operation in Derbent,#Dagestan.Viking charge w/2 PKP(6P45) gunners on the rooftop & more on side gunports.Note a Tornado control station bottom LHS @ 0:11 mark.Apparently #FSB's TsSN Directorate S officers - not to be confused w/ disbanded #KGB's Directorate S (illegals). pic.twitter.com/dA42OBM9P8

— S O V A (@Russian_Defence) April 24, 2018