Dominion Police
The Dominion Police Force was the federal police force of Canada between 1868 and 1920, and was one of the predecessors of the Royal Canadian Mounted Police. It was the first federal police force in Canada, formed the year following the Canadian Confederation to enforce federal laws and perform policing duties for the Federal Government of Canada. On 1 February 1920, the Dominion Police was merged with the North-West Mounted Police to form the Royal Canadian Mounted Police as the new federal police force of Canada.
Royal Canadian Air Force Police
Following amalgamation of the three services into the Canadian Forces in 1968, the AFP was merged with the police units of the Royal Canadian Navy and Canadian Army to become simply the Military Police; under the Canadian Armed Forces Security and Intelligence Branch.