Australian troops crossing a shallow river with vehicles on the island of Bougainville, Papua New Guinea, north of Australia; 1945.

Crossing a jungle river

Australian troops advance from the village of Gona toward the village of Buna, on Papua Territory, in New Guinea; 1943.
Papua New Guinea is the eastern half of the island of New Guinea in the southwestern Pacific Ocean, north of Australia.
 

Australians advance

A Matilda tank of 'B' Squadron, 2/4th Australian Armored Regiment, with tank-borne infantry, moving along the Buin Road, south of the Hongorai River during mopping-up operations on Bougainville Island, in eastern Papua New Guinea, northern Solomon Islands, in the South Pacific Ocean. 