In the opening months of 1942, something happened in the Pacific that stunned the world. For decades, [music] European empires had dominated Asia. The British ruled from India to Singapore. The Dutch [music] controlled the vast resources of the East Indies. American forces guarded the Philippines.

These colonial powers believed their positions were secure, protected by powerful [music] navies and fortified bases. Then the Japanese army arrived and in a matter of weeks that entire system [music] began to collapse. Malaya fell first. Japanese troops [music] advanced down the peninsula faster than Allied commanders believed possible.

Moving through dense jungle terrain that British planners had considered impassible for a modern [music] army. Bicycles replace trucks. Speed replaced caution. Defensive positions [music] that were supposed to hold for months fell in days. Then came Singapore. For decades, [music] it had been described as the strongest fortress in the east, protected by massive coastal guns and a powerful naval base.

Yet, in February 1942, after only a [music] week of intense fighting, the British commander, Lieutenant General Arthur Persal, surrendered the city to the Japanese. More than 80,000 Allied soldiers laid down their arms. It remains the largest surrender in British military [music] history. Across the region, the dominoes continued to fall.

Hong Kong was captured. The Philippines were collapsing under relentless Japanese attacks. In the Dutch East Indies, Allied forces were overwhelmed by coordinated land, sea, and air assaults that dismantled their defenses piece by piece. For the Allies in the Pacific, it felt like the war was being [music] lost before it had even begun.

And caught in the middle of this disaster were the Australians. At the time, Australia was a nation of only 7 million people. Yet thousands of its [music] soldiers were stationed across Southeast Asia as part of the British Imperial Defense Network. When the Japanese offensives began, many of these men suddenly found themselves [music] isolated, cut off from reinforcements, and fighting an enemy that had already demonstrated a terrifying level of speed and coordination.

Within just a few months, nearly 22,000 [music] Australian soldiers were captured. Many of them would spend [music] the rest of the war in Japanese prison camps scattered across Southeast Asia. Only around 14,000 would [music] survive. While these disasters unfolded, Australia [music] faced another problem that was even more alarming.

Most of its best trained troops were not in the Pacific at all. They were on the [music] other side of the world. Australian divisions were fighting alongside British [music] forces in North Africa, battling German and Italian armies across the [music] deserts of Libya and Egypt. Among the Allied units [music] fighting in the desert was a small and highly unconventional formation that was just beginning to gain a reputation.

The British Special [music] Air Service. Formed in 1941 under Lieutenant Colonel David Sterling, the SAS operated far behind German lines in North Africa. Small teams [music] crossed hundreds of kilometers of desert to attack airfields, destroy aircraft, and sabotage supply depots. Their raids forced the Germans to guard huge [music] areas of territory against just a handful of men.

Australian soldiers serving in the desert war saw these operations firsthand. And although the fighting in the Pacific would look very different from the open sands of North Africa, the idea of small, [music] highly trained units operating deep behind enemy lines would soon become an important part of the war against Japan. [music] as well.

These soldiers had already proven themselves in brutal fighting at places like Tobuk, where Australian troops held out for months against repeated German assaults. But as the Japanese [music] advanced south through the Pacific, the strategic reality became impossible to ignore. Australia itself was now exposed.

Prime Minister John Cirten understood the danger immediately. If Japanese forces continued their momentum, [music] the next target could be the Australian mainland. Curtain demanded that Australia’s experienced [music] divisions be brought home from the Middle East. The request created a political crisis inside the British Empire.

Winston Churchill had other plans. The British Prime Minister wanted [music] those Australian troops diverted to Burma instead, where Japanese forces were threatening India. From London’s perspective, [music] defending India was the priority. Australia thousands of miles away was considered secondary. Curtain refused. In one of the most consequential decisions in Australian history, he ordered the Seventh Division to return home.

It was a moment that quietly reshaped the alliances of the Pacific War. For generations, Australia had looked to London for protection. Now, as [music] the Japanese army swept across Southeast Asia, that assumption was breaking apart. A new partnership was about to emerge. In March 1942, a man arrived in Australia who would soon become one of the most powerful commanders of the entire war.

General Douglas MacArthur stepped off a transport [music] aircraft in Melbourne after a dramatic escape from the Philippines. Only weeks earlier, Japanese forces had overrun much of the archipelago, forcing American and Filipino troops into desperate defensive battles on Batan [music] and Corodor. MacArthur had been ordered by President Franklin Roosevelt to leave.

His famous promise echoed across [music] the Pacific. I shall return. Now he was in Australia, tasked with [music] commanding the newly created Southwest Pacific area. From headquarters in Melbourne, MacArthur would oversee the defense of [music] Australia and the long campaign that would eventually push Japanese forces back across thousands [music] of miles of ocean and jungle.

But in those early months, the situation was grim. American reinforcements [music] were arriving, but they were inexperienced and poorly prepared for the kind of war they were about to fight. Most had trained for conventional battles in open terrain, not the brutal jungle warfare that dominated the Pacific theater.

The soldiers who would face the Japanese [music] first were Australians. And the place where that confrontation would happen was one of the most unforgiving environments on Earth. New Guinea stretching just north of Australia. The massive island was covered by dense rainforest, [music] steep mountains, and swamps that swallowed entire supply columns.

In 1942, [music] much of its interior was almost completely inaccessible. Roads were rare, vehicles were useless, movement through the jungle was slow, exhausting, and dangerous. But strategically, New Guinea was critical. If Japanese forces captured the southern port of Port Moresby, they would gain airfields capable of threatening northern Australia and severing the supply line that connected Australia with the United States.

That could have isolated the entire Allied position in the Pacific. Initially, the [music] Japanese attempted to capture Port Morris by sea. In May 1942, their invasion fleet sailed south toward the Coral Sea. What followed was one of the [music] most important naval battles of the war. The Battle of the Coral Sea ended the invasion attempt.

Japanese carriers [music] were damaged and the transport fleet was forced to turn back. But the Japanese were not finished. Instead of approaching from the sea, they would attempt something far more difficult. They would cross the mountains. In July [music] 1942, Japanese troops landed on the northern coast of Papwa near the small settlements of Buna and Gona.

Their objective was simple in theory, but brutally difficult in practice. They would march [music] overland through the Owen Stanley Range and reach Port Moresby from the south. Standing [music] in their way was a narrow jungle path known as the Kakakota track. The track stretched roughly 96 km across steep mountain ridges that climbed to nearly 2,000 [music] m above sea level.

Thick jungle covered the slopes. Torrential rains turned the ground into deep mud. Rivers swelled without warning. Visibility [music] was often reduced to just a few meters. There were no roads. Everything had to be [music] carried by hand. Food, ammunition, medical supplies. Even the wounded had to be carried down the mountains on improvised stretchers by local Papuan [music] carriers who would later become known as the Fussy Angels.

When the Japanese [music] began their advance across the mountains, they brought with them more than [music] 4,000 experienced troops. The Australians waiting on the track [music] had barely 400 men. Many of them were militia soldiers. Some were barely out of school. Poorly equipped and [music] lightly trained.

They were suddenly responsible for holding back one of the most aggressive armies in the world. The odds were staggering, nearly 10 to one. And yet, the young Australians [music] standing in the jungle understood something important. Behind them lay Port Morsby and behind Port Moresby lay Australia. If the Japanese broke through the mountains, there would be nothing left to stop them.

The fighting on the Cakakota track began quietly. At first, it was just [music] patrols moving through the jungle, searching for signs of the enemy, scouts [music] slipping through thick vegetation, listening for movement along the narrow [music] mountain trail. Then the shooting started. Japanese [music] advance units pushed south from the beaches at Buna and Gona toward Kakakota village.

Their objective was clear. The small air strip at Kota was the only place in the mountains where aircraft could land. If they captured it, they would control the gateway to the 96 km Kakakota track. The Australians waiting there knew exactly what that meant. Most of them belonged to the [music] 39th Battalion.

Around 550 militia soldiers, many with only a few months of training. Facing them were battleh hardened troops of the Japanese South Seas detachment. The fighting was brutal. The jungle [music] swallowed sound and direction. Soldiers often fired at movement in the trees without knowing exactly where the enemy was.

Many encounters happened suddenly at distances so close that grenades and bayonets decided the outcome and the environment was relentless. Rain fell almost constantly. The track turned into [music] deep mud that clung to boots and made every step exhausting. Soldiers climbed [music] the mountains carrying rifles, ammunition, and packs weighing more than 25 kg.

Disease spread [music] quickly. Malaria, dysentery, tropical ulcers. By early September, [music] many units were barely half their original strength. Yet, the line never collapsed. Again and again, the Australians [music] delayed the Japanese advance, just long enough to withdraw and prepare another defense further down the track.

One of the most famous [music] moments came during the Battle of Isarava in late August. Roughly 2,000 Japanese troops launched repeated attacks against the Australian positions, trying to break through and continue their push toward Port Moresby. During one of those assaults, the defensive line began to buckle.

Private Bruce Kingsbury saw the danger. Grabbing a Bren light [music] machine gun, he charged forward through the jungle toward the advancing Japanese [music] soldiers. Firing as he moved, he cut down several attackers and forced the assault to stall. Moments later, he was killed by enemy fire.

But his action helped stabilize the line [music] long enough for the Australians to regroup. For that courage, he was postumously awarded the Victoria Cross. Still, the pressure continued. By early September, the Australians had been [music] pushed deep into the mountains. Supplies were dangerously low.

Many soldiers had been fighting for nearly 2 months with little rest. But something important was beginning to change. Reinforcements were arriving. The veteran soldiers of the Australian 7th Division recently returned from North Africa were now moving into the mountains. These were experienced troops who had already fought German forces in Libya and Egypt and they were about to face a Japanese army that was running out of momentum.

The veteran soldiers of the seventh division began moving into the front line. These were battleh hardened troops who had spent months fighting German forces in North Africa. And now they [music] were entering a battlefield the Japanese army was struggling to sustain. In late September, Japanese commanders made a critical decision.

They ordered a withdrawal after advancing more than 150 km from the northern coast of Papua and pushing to within roughly 48 [music] km of Port Murphy. The offensive toward the Australian base was called off. Japanese forces began pulling back north across the mountains. For the first time since [music] July, the Australians were moving forward.

The long retreat along the Kakakota [music] track had become a counterattack. Australian units pushed north through the same jungle terrain they had fought across [music] for weeks. The battles that followed were just as brutal as the ones that had come before. Japanese forces fought fiercely to hold their defensive positions as they withdrew toward the [music] northern coast.

Village by village, ridge by ridge, the Australians slowly reclaimed the ground they had lost. By early November 1942, Kakakota village and its small airirstrip were back in Australian hands. But the campaign in Papu was not over. While the fighting in the mountains [music] had captured most of the attention, another battle was unfolding along the coast.

Japanese forces had built strong defensive positions around the beach heads at Buna, Gona, and Sanananda. These positions were heavily fortified. Bunkers made [music] from coconut logs and packed earth were hidden inside dense jungle [music] and swamp. Machine gun nests were carefully camouflaged. Defensive trenches were [music] dug into the thick vegetation surrounding the villages.

Breaking those positions would be extremely difficult. American troops were now entering the battle as well. The US 32nd Infantry Division, one of the first American ground units to fight the Japanese in the Pacific, had been deployed to Papwa to help eliminate the beach head. But the Americans were not prepared for what they encountered.

Many of the soldiers had trained in the United States for conventional warfare in open terrain. Jungle combat was something entirely different. The thick vegetation reduced visibility to only a few meters. Movement was slow and exhausting. The enemy was often [music] invisible until the moment the shooting began.

The Japanese defenders [music] were experienced. They had spent months preparing their positions and understood exactly how to fight in this environment. The result was a series of costly attacks. In some sectors, American units stalled under heavy fire from hidden bunkers that could not be easily located or destroyed.

Casualties began to mount as soldiers struggled to [music] advance through swampy terrain against well-prepared defenses. General Douglas MacArthur grew increasingly frustrated with the slow progress. He ordered Lieutenant [music] General Robert Eichelberger to take command of the operation personally.

According to several accounts, MacArthur delivered a blunt instruction. Take Buna or do not come back alive. Even with new leadership, the fighting remained slow and dangerous. The Japanese defensive [music] network was far stronger than anyone had expected. Eventually, Australian troops were [music] brought forward to help break the stalemate.

The veteran soldiers who had fought on the Kakota track were now used [music] as assault units, attacking the most heavily defended Japanese positions. The battles at Gona, Buna, and Sonanda would continue through the final weeks of 1942. By the time the campaign ended in January 1943, the fighting had cost the Allies [music] more than 2,300 casualties, including roughly 1,300 Australians and around 1,000 Americans.

Japanese losses were even higher. Nearly 6,000 soldiers were killed defending the beach heads. But the strategic result was unmistakable. The Japanese [music] advance toward Australia had been stopped. And for the first time in the Pacific War, Japanese land forces [music] had been pushed back after a major offensive.

By early 1943, [music] the fighting in Pabua was finally coming to an end. The Japanese strongholds at Buna, Gona, and Sanananda had been destroyed after months of brutal fighting. What had started in July with a desperate retreat through the mountains had slowly turned into a grinding counterattack along the northern coast.

It had taken nearly 6 months. For the Australians who fought along the Kakakota track, the cost was enormous. More than 1,300 [music] soldiers were killed during the campaign. Thousands more were wounded. Many [music] never fired another shot because malaria or tropical disease forced them out of [music] the jungle.

Entire battalions came down from the mountains half the size they had been when they went in. But the result changed the course of the war in the Pacific. The Japanese advance [music] toward Port Morsby had failed. For the first time since the lightning offensives of early 1942, Japanese land forces had been stopped and pushed back after a major campaign.

And that [music] mattered far beyond the jungles of New Guinea. Across the Pacific, Allied commanders [music] were starting to realize something important. The Japanese army that had swept through Malaya, Singapore, and the Philippines [music] was not unstoppable. It could be beaten. But fighting the Japanese [music] men fighting on their terms in jungles, mountains, and swamps where supply lines stretched for hundreds of kilometers and every bridge could become a battlefield.

The lessons learned in Papua spread [music] quickly across the Allied armies. Jungle warfare schools were [music] established in Australia. Patrol tactics changed. Soldiers learned [music] how to survive and fight in terrain that had nearly broken entire divisions in 1942. By the middle of the war, hundreds of thousands of American troops would pour into the Pacific and begin the long advance [music] toward the Philippines and eventually Japan itself.

But in those [music] early months when the outcome of the war was still deeply uncertain, the men holding the [music] line were often Australians. Young militia soldiers from the 39th Battalion, [music] veterans of the Seventh Division would come home from the deserts [music] of North Africa. Men carrying rifles, ammunition, and wounded comrades along a narrow jungle [music] trail through the mountains.

If you ever hear the story of [music] the Pacific War told only through the great naval battles or the famous island [music] invasions, remember the soldiers on the Kakakota track. Because before the Allies could begin pushing forward across the Pacific, someone first had [music] to stop the advance.

And in 1942, deep in the jungles of Papua, they