Police Sergeant | 台北市立動物園資訊網

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Rank in many uniformed organizations

Sergeant (Sgt) is a rank in use by the armed forces of many countries. It is also a police rank in some police services. The alternative spelling, serjeant, is used in The Rifles and other units that draw their heritage from the British light infantry. Its origin is the Latin serviens, one who serves, through the Old French term serjant.

The term sergeant refers to a non-commissioned officer placed above the rank of a corporal, and a police officer immediately below a lieutenant in the US, and below an inspector in the UK.[1][2] In most armies, the rank of sergeant corresponds to command of a team/section, or squad. In Commonwealth armies, it is a more senior rank, corresponding roughly to a platoon second-in-command.[3] In the United States Army, sergeant is a more junior rank corresponding to a fireteam leader or assistant squad leader;[4] while in the United States Marine Corps the rank is typically held by squad leaders.[5]