The 13th Brigade is an Army Reserve formation of the Australian Army. Originally formed in 1916, the brigade fought on the Western Front during World War I and in the New Britain Campaign during World War II. It is currently headquartered at Perth in Western Australia and has units located across the state in locations such as Geraldton, Kalgoorlie, Albany, Katanning, Joondalup and Rockingham. The current brigade was formed in 1988 and is tasked with the protection of Western Australia. It forms part of the 2nd Division of the Australian Army.