 During this time, the regiment expanded existing doctrine for the deployment of artillery by deploying guns into forward areas by air.The regiment returned to Australia for reorganisation in August 1943, and did not see action again until late in the war.It returned to New Guinea in January 1945 to support operations in the Aitape–Wewak campaign, supporting the defence of the airfield around Aitape, the advance on Wewak and operations around Mount Shiburangu.