Balikpapan, a major oil producing and port city, Netherland, East Indies.  
A platoon of Australian infantry from 7th Division move forward to clear the suburb of Klandasan of any remaining Japanese; July 1945.  

Borneo Campaign. Battle of Balikpapan

Australian soldiers at a burning oil storage facility on Tarakan Island during the fighting for Borneo; Dutch East Indies, April 12, 1945.

Oil-rich northern part of the island

Private R. Gaudry of the 2-3d Battalion, AIF (Australian Imperial Force) with his Owen submachine gun in  New Guinea; South-Western Pacific, 1945.
The Owen sub was the only entirely Australian-designed and constructed service submachine gun of World War II and was used by the Australian Army from 1942 until 1971.