The Royal Australian Corps of Military Police is a corps within the Australian Army. Previously known as the Australian Army Provost Corps, it was formed on 3 April 1916 as the ANZAC Provost Corps. It is responsible for battlefield traffic control, security duties, prisoner of war handling, the investigation of service offences, maintaining discipline and the running of military prisons. Its name was changed in 1918 and it was disbanded in 1920. The corps was reformed during World War II and was granted the 'Royal' prefix in 1948, adopting its current name on 4 September 1974. Her Royal Highness Camilla, Duchess of Cornwall became the first Colonel in Chief of the Royal Australian Corps of Military Police in November 2012.