Australia and Papua New Guinea leaders trek toward WWII South Pacific battleground

Australia and Papua New Guinea’s prime ministers on Tuesday began trekking into the South Pacific island nation’s mountainous interior to commemorate a pivotal World War II campaign and to underscore their current security alliance, which faces challenges from China's growing regional influence.

Australian Prime Minister Anthony Albanese received an elaborate traditional welcome when he arrived by helicopter at Kokoda Village with his Papua New Guinean counterpart James Marape.

The pair will walk 15 kilometers (9 miles) over two days along the rugged Kokoda Track where the Japanese army’s advance toward what is now the national capital, Port Moresby, was halted in 1942 in the wilds of the Owen Stanley Range.

“In forging a relationship of brothers and sisters, together as one we will go forward,” Albanese told Australian Broadcasting Corp. as the pair set off from the village in tropical heat and humidity.

“We’re walking step by step, symbolizing our two nations walking together,” Albanese added.

Marape said their “shared journey today should send the world a message” that Papua New Guinea wants peaceful coexistence.

Australia and its nearest neighbor, Papua New Guinea, forged closer defense ties in December when Albanese and Marape signed a wide-ranging agreement in the Australian capital, Canberra.

The signing was delayed by six months after a security pact between Papua New Guinea and the United States sparked riots in the South Pacific nation over concerns that Papuan sovereignty was being undermined.

Marape said in December that his government’s security agreements with the U.S. and Australia did not mean he was siding with those allies in their strategic competition with China.

Albanese said Marape had assured him