The Reserve component consists of a company of three platoons located in Halifax, Nova Scotia and Moncton, New Brunswick.

Their main duty was to maintain discipline, enforce the Conscription Act, and apprehend deserters and draft evaders.

In 1967 the Canadian Forces unified, causing the three service's policing elements to be brought together to form the Security Branch.

It was the first independent reserve MP unit in Canada and reported to the Commander of 36 Canadian Brigade Group (CBG).

Therefore, in February 2005, and on order of the Army Commander, LFAA issued a draft MIP for the stand up of 3 Garrison MP Coy.

On 3 March 2005, the Army Commander signed and issued the Implementation Directive for centralization of garrison MP resources in each Land Force Area.

On 18 December 2006, the Minister of National Defence issued the Ministerial Organizational Order (MOO) authorizing the creation and stand-up of all MPUs, including 3 MPU.

On international operations in Afghanistan, MP wear Arid CADPAT uniforms with the following protective equipment: combat helmet, ballistic eyewear, tactical vest, fragmentation protective vest with bullet resistant plates and beige combat boots.

Members of 3 MP Regt mainly use the following personal long and short barrel weapons: Sig Sauer P320 Those involved in garrison policing duties also carry the following for use in the Use of Force continuum: [1] http://army.gc.ca/en/5-canadian-division/3-military-police-regiment/index.page Archived 2021-01-18 at the Wayback Machine [2][3][4][5][6]