11 September 1942

Diggers now back at Ioribaiwa Ridge, setting up defensive positions on the forward slope, preparing for a final stand about 60km out from Port Moresby.

In a superhuman effort the Japanese invaders have broken down their mountain artillery into man-sized pieces and carried them with them down the Track. They assemble them at Ioribaiwa Ridge and start firing on the Australians across the valley.

With almost every shot the Australians suffer casualties.

But the Japanese are becoming increasingly desperate as casualties and illness deplete their numbers, they run short of food and ammunition and their supply lines are stretched to breaking point.