The RAN were responsible for the maritime defences of Queensland and support of the campaigns in the SWPA.
The Australian Army defended, trained, encamped and assisted with the war effort throughout the state.
The RAAF were responsible for the air defences of Queensland and assisting with offensive operations in the SWPA.
The Merchant Navy offered the main supply route for resources to Queensland during the war.
The US Military Forces swelled the population between 1942–45 and Brisbane became the Supreme Allied HQ.
The British, Dutch and other allies used Queensland for R & R and retraining for the war effort.