3rd Brigade - Australian Army 4.16

3rd Brigade is located at Lavarack Barracks. It shares the base with a second Army Brigade, 11th Brigade. 3rd Brigade currently consists of the following units:
- 3rd Brigade Headquarters
- 1st Battalion, Royal Australian Regiment
- 2nd Battalion, Royal Australian Regiment
- 3rd Battalion, Royal Australian Regiment
- 3rd Combat Engineer Regiment
- 3rd Combat Signals Regiment
- 3rd Combat Service Support Battalion
- 4th Regiment, Royal Australian Artillery
- B Squadron, 3rd/4th Cavalry Regiment

The barracks are named after Lieutenant General Sir John Lavarack, an Australian Army officer during both World Wars and Governor of Queensland from 1946 to 1957.