arg ento ▁( 3 rd ▁ser ge ant ) ▁Cab o ▁( cor por al ) ▁Sold ado ▁de ▁ 1 ª ▁classe ▁( private ▁ 1 st ▁class ) ▁Sold ado ▁de ▁ 2 ª ▁classe ▁( private ▁ 2 nd ▁class , ▁student ▁rank ) ▁ ▁The ▁ 2 nd ▁class ▁private ▁and ▁the ▁cad et ▁are ▁considered ▁to ▁be ▁students ▁in ▁the ▁formation ▁courses ▁and ▁have ▁no ▁street ▁polic ing ▁duties ▁( except ▁in ▁a ▁very ▁few ▁cases , ▁as ▁prob ation ary ▁t ours ). ▁Despite ▁closely ▁res emb ling ▁the ▁rank ▁structure ▁within ▁the ▁Brazil ian ▁army , ▁there ▁is ▁no ▁rank ▁of ▁general ▁in ▁the ▁military ▁police ▁forces , ▁as ▁the ▁Military ▁Police ▁is ▁sl otted ▁under ▁the ▁army ▁control ▁in ▁case ▁of ▁war , ▁with ▁its ▁colon els ▁reporting ▁to ▁general ▁officers ▁in ▁the ▁service ▁branch . ▁ ▁Military ▁police ▁also ▁consists ▁of ▁SW AT ▁units , ▁like , ▁BO PE , ▁Rio ▁de ▁Janeiro ' s ▁B atal h ão ▁de ▁Opera ções ▁Pol icia is ▁Es pe cia is ▁( B att alion ▁of ▁Special ▁Police ▁Oper ations ), ▁and ▁CO E , ▁Com and os ▁e ▁Opera ções ▁Es pe cia is ▁( Comm ands ▁and ▁Special ▁Oper ations ) ▁from ▁São ▁Paulo . ▁Also ▁there ▁is ▁an ▁anti - ri ot ▁unit ▁called ▁B atal h ão ▁de ▁Cho que ▁( Cho ck ▁Battalion ) ▁and ▁São ▁Paulo ' s ▁special ized ▁police , ▁R OT A , ▁R ond as ▁Ost