▁Municipal / City ▁Chief ▁officers ▁ ▁Chief ▁of ▁Police ▁( s ometimes ▁an ▁elected ▁position ; ▁some ▁depart ments ▁use ▁Super int endent , ▁Director ▁or ▁Commission er , ▁or ▁may ▁have ▁those ▁as ▁higher ▁ranks ) ▁ ▁Deput y / Ass istant ▁Chief ▁( or ▁Deput y / Ass istant ▁Commission er ▁in ▁large ▁depart ments ) ▁ ▁Super vis ory ▁ranks ▁ ▁Colonel / Comm ander / In spect or ▁( large ▁depart ments . ▁An ▁inspect or ▁may ▁also ▁be ▁a ▁non - super vis ory ▁technical ▁or ▁investig ative ▁rank .) ▁ ▁Lieutenant ▁Colonel ▁( large ▁depart ments ) ▁ ▁Major ▁( large ▁depart ments ) ▁ ▁Captain ▁ ▁Lieutenant ▁ ▁Serge ant ▁( rank ▁may ▁have ▁gr ades ▁in ▁large ▁depart ments ) ▁ ▁Offic ers ▁ ▁Corpor al ▁( some ▁depart ments ▁only , ▁rank ▁may ▁have ▁different ▁gr ades ) ▁ ▁Det ect ive ▁( some ▁depart ments ▁only , ▁rank ▁may ▁have ▁different ▁gr ades ) ▁ ▁Police ▁Officer ▁( rank ▁may ▁have ▁different ▁gr ades , ▁such ▁as ▁Senior ▁Officer , ▁Master ▁Officer , ▁etc .) ▁ ▁Police ▁Cad et ▁ ▁Rec ruit , ▁Tra ine e ▁ ▁Note : ▁R anks ▁can ▁be ▁omitted ▁or ▁added ▁as ▁needed ▁and ▁the ▁structure ▁is ▁often ▁determined ▁by ▁individual ▁municipal ities . ▁The ▁structure ▁is ▁usually ▁pseudo - mil it ary . ▁ ▁Uruguay ▁National ▁Police ▁of ▁Uruguay ▁[[ File : N ue vos ▁Gr ados ▁Pol icial es ▁y ▁Sm bol os . J PG