▁protect ive ▁G OST ▁ratings ▁of ▁ 1 ▁and ▁ 2 ▁respectively . ▁They ▁are ▁worn ▁by ▁the ▁In ternal ▁Tro ops ▁of ▁the ▁Inter ior ▁Ministry ▁in ▁the ▁Soviet ▁Union ▁and ▁its ▁successor ▁state ▁Russia . ▁These ▁hel m ets ▁continue ▁to ▁be ▁used ▁today ▁by ▁the ▁police ▁and ▁special ▁purpose ▁troops . ▁▁ ▁Un like ▁most ▁combat ▁hel m ets , ▁they ▁are ▁not ▁one ▁piece , ▁but ▁consist ▁of ▁three ▁separate ▁pl ates : ▁two ▁round ▁ones ▁on ▁the ▁sides ▁of ▁the ▁head , ▁and ▁one ▁bow - sh aped ▁one ▁that ▁s its ▁on ▁top , ▁stretch ing ▁from ▁the ▁neck ▁to ▁the ▁fore head . ▁These ▁pl ates ▁are ▁kept ▁together ▁by ▁a ▁p added ▁cover , ▁with ▁draw string ▁to ▁adjust ▁the ▁size ▁and ▁fit ▁of ▁the ▁pl ates . ▁The ▁hel met ▁may ▁also ▁be ▁cam ou fl aged ▁with ▁a ▁hel met ▁cover ▁which ▁appears ▁in ▁such ▁patterns ▁as ▁VS R ▁and ▁Flora . ▁ ▁Vers ions ▁ ▁ST Sh - 8 1 ▁С фе ра ▁ ▁Int rodu ced ▁in ▁the ▁year ▁ 1 9 8 1 , ▁the ▁ST Sh - 8 1 ▁was ▁the ▁first ▁example ▁to ▁be ▁produced ▁by ▁Н П П ▁К л А С С ▁( Class com ) ▁and ▁the ▁material ▁of ▁choice ▁was ▁tit an ium . ▁ST Sh - 8 1 ▁hel m ets ▁are ▁no ▁longer ▁in ▁production . ▁ ▁S SS h - 9 4 ▁С фе ра - С ▁The ▁S SS h