The Roman Catholic Diocese of the Australian Defence Force (also referred to as the Australian Catholic Defence Diocese or the Military Ordinariate of Australia) is a Latin Rite suffragan Military Ordinariate, immediately subject to the Holy See, established in 1969, and managed for administrative purposes by the Archdiocese of Sydney. Its Ordinary (bishop) and his chaplains serve the members of the Australian Defence Force (ADF) and their families in all three Servicesthe Royal Australian Navy (RAN), the Australian Army and the Royal Australian Air Force (RAAF)regardless of location.