The 24th Battalion was an infantry battalion of the Australian Army. Originally raised in 1915 for service during World War I as part of the 1st Australian Imperial Force, it was attached to the 6th Brigade, 2nd Division and served during the Gallipoli campaign and in the trenches of the Western Front in France and Belgium. Following the end of the war the battalion was disbanded in 1919, however, in 1921 it was re-raised as a unit of the part-time Citizens Forces in Melbourne, Victoria. In 1927, when the part-time forces adopted territorial titles, the battalion adopted the designation of 24th Battalion (Kooyong Regiment). In 1939, the 24th Battalion was merged with the 39th Battalion, however, they were split up in 1941 and in 1943, after being allocated to the 15th Brigade, the 24th Battalion was deployed to New Guinea before later taking part in the Bougainville campaign. Following the end of the war, the battalion was disbanded in 1946.

The 6th Combat Support Brigade is an Australian Army brigade. First formed in 1912 as a Militia formation to provide training under the compulsory training scheme, the brigade was re-raised during the First World War as an infantry unit of the all volunteer Australian Imperial Force. It subsequently served at Gallipoli and in France and Belgium on the Western Front. In the 1920s, as part of a reorganisation of the Australian Army, it became part of the 3rd Military District of the Citizens Military Force, encompassing units from Victoria and South Australia. In 1991, it became part of the Ready Reserve Scheme, based at Enoggera Barracks, in Brisbane, Queensland, before being disbanded in 1996 when the scheme was discontinued. The brigade was re-raised on 1 March 2010 to oversee the Army's command support and intelligence, surveillance, target acquisition and reconnaissance units.