▁seen ▁with ▁the ▁inclusion ▁of ▁the ▁National ▁Serv ic emen ▁Key ▁Install ation ▁Unit ▁in ▁ 1 9 9 4 , ▁and ▁the ▁formation ▁of ▁the ▁Police ▁National ▁Service ▁Full - time ▁Light ▁St rike ▁Force ▁in ▁ 1 9 9 8 . ▁ ▁In ▁response ▁to ▁changing ▁dem ands ▁in ▁urban ▁security ▁issues , ▁the ▁Police ▁M RT ▁Unit ▁was ▁formed ▁in ▁ 2 0 0 5 ▁to ▁provide ▁armed ▁security ▁within ▁and ▁around ▁stations ▁and ▁trains ▁on ▁the ▁Mass ▁Rap id ▁Trans it ▁network . ▁P oo led ▁from ▁both ▁regular ▁and ▁NS F ▁man power ▁resources , ▁they ▁are ▁the ▁first ▁SO C ▁unit ▁to ▁be ▁formed ▁which ▁involves ▁regular ▁front - line ▁polic ing ▁from ▁in ception . ▁From ▁ 1 5 ▁August ▁ 2 0 0 9 , ▁the ▁unit ▁was ▁renamed ▁as ▁the ▁Public ▁Transport ▁Security ▁Command ▁and ▁became ▁an ▁independent ▁unit , ▁separ ating ▁from ▁the ▁SO C . ▁ ▁Under ▁the ▁Police ▁Work plan ▁Sem inar ▁ 2 0 1 7 , ▁a ▁new ▁National ▁Serv ic emen ▁unit ▁called ▁the ▁Public ▁Order ▁Tro ops ▁was ▁formed ▁on ▁September ▁ 2 0 1 8 ▁under ▁P T U ▁and ▁it ▁can ▁be ▁called ▁upon ▁to ▁work ▁alongside ▁their ▁regular ▁counter parts ▁during ▁major ▁inc idents ▁such ▁as ▁ri ots , ▁national ▁emer gen cies ▁and ▁public ▁order ▁inc idents , ▁as ▁well ▁as ▁possible ▁terror ist ▁attacks , ▁and ▁the ▁P OT ▁will ▁be ▁implemented ▁in ▁the ▁year ▁ 2 0 2 3 . ▁