Category Archives: U.S.

Burning Down Rabaul, October 1942

From Fortress Rabaul: The Battle for the Southwest Pacific, January 1942-April 1943, by Bruce Gamble (Zenith, 2010), Kindle Loc. 4092-4125:

[General George] Kenney’s vow to burn down Rabaul began with the positioning of three dozen B-17s from Mareeba to Port Moresby on October 8. The planned mission called for total efforts by both the 19th and 43rd Bomb Groups, which would coordinate their attack to follow a preliminary raid by RAAF Catalinas. Thirty-six Fortresses were scheduled to participate, making it the largest Allied bombing effort yet attempted in the Pacific. A follow-up attack was also planned for the night after.

But the initial event almost didn’t go off. After receiving a forecast of foul weather between Port Moresby and Rabaul that afternoon, Walker cancelled the mission. In his defense, three weeks earlier he had flown a night mission over Rabaul and saw firsthand the hazardous conditions created by the powerful storm system that routinely thwarted flights over the Solomon Sea. Kenney wasn’t convinced, however, as biographer Martha Byrd later explained: “When he learned that Walker had canceled the first of the two planned strikes, Kenney consulted a different weatherman, got a favorable forecast, and overruled his bomber commander.”

Kenney’s instincts were correct. The weather was not a factor, and the preliminary raid by the RAAF exceeded all expectations. Flying all the way from Cairns, four Catalinas from 11 and 20 Squadrons arrived over Rabaul at 2050 on October 8. Ordered to “light up the town and harbor perimeter,” the heavily laden flying boats carried an amazing payload. As they crossed over the township at several thousand feet, the Cat-boats dropped twenty demolition bombs, ten small fragmentation bombs, and sixty incendiaries. Approximately half of the incendiaries fell into the residential area north of Simpson Harbor, starting numerous fires. Six heavy bombs landed in the commercial district and ignited one of the many stockpiles of ammunition or fuel the Japanese had imprudently placed throughout the town, and an enormous fire flared up. The flames were still visible from sixty miles away as the Catalinas made their way back to Australia.

The Flying Fortresses, representing four different squadrons, began taking off just prior to midnight. Six bombers dropped out for various malfunctions, but the remaining thirty aircraft gathered at a marshalling point one hundred miles south of Rabaul. Grouped in elements of two or three planes each, they headed toward the target in a strung-out line at altitudes ranging from 4,500 feet to 11,000 feet. Even in the darkness, the crews could see Rabaul from many miles away. The fires started by the RAAF eight hours earlier burned brightly, casting a reddish glow over the township.

The attack commenced at 0400, and for nearly two hours the heavy bombers made individual passes over Rabaul. Japanese antiaircraft positions reacted by shooting wildly, while the searchlight crews tried to pinpoint B-17s. The night sky was turned into a bizarre montage of arcing tracer rounds and brilliant fingers of white light, punctuated by the staccato flashes of exploding antiaircraft shells. Inside the bombers, pilots whose vision was adjusted to the soft red glow of instrument lights were temporarily blinded. To the men in the trailing B-17s, the view up ahead was spectacular. One pilot likened the scene to “a colossal fireworks display.”

Although the sudden loss of night vision and the intense pyrotechnics created a nerve-wracking experience for the Americans, the bombardiers took advantage of the fires illuminating Rabaul to release an impressive amount of ordnance. Ninety 500-pounders, more than two hundred 300-pounders, and fifty-five incendiary clusters followed the path of the bombers from west to east, blasting a swath of destruction across the township. Bombs damaged the coaling jetty on the western shore of Simpson Harbor, hit the Malaguna Road encampment, exploded stockpiles of fuel or ammunition in the Bayloo district (centered around a large Chinese construction business), and demolished several buildings in Chinatown.

The following day, listeners tuned to Radio Tokyo heard the announcer complain that a bomb had struck a hotel in Rabaul, killing fifty “Geisha girls.” The Allies would have been incredulous to learn that the enemy had indeed transported some three thousand conscripted prostitutes to Rabaul in early 1942. Known as “comfort women,” most were Koreans and Formosans taken from their homes or hired under false pretenses, then forced to provide a sexual outlet for the troops. The army and navy each maintained three “special purpose houses” in Rabaul, and the 3rd Infantry Battalion set up a brothel at Vunapope in a monks’ dormitory (after first evicting the Brotherhood of the Sacred Heart).

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Singapore POWs in the Solomon Islands

From Fortress Rabaul: The Battle for the Southwest Pacific, January 1942-April 1943, by Bruce Gamble (Zenith, 2010), Kindle Loc. 5582-5601:

THE BOMBERS’ FIRST destination was Ballale, an island so tiny that its crushed-coral airstrip reached from one side of the island to the other. Officially part of the Shortland group, the arrowhead-shaped isle lay fourteen miles southeast of Moila Point on the tip of Bougainville. The airfield was built by the Imperial Navy’s 18th Construction Battalion, headed by Lt. Cmdr. Noriko Ozaki, between November 1942 and January 1943. Because the Japanese had no bulldozers for such big projects, much of the labor was done by hand. In early December 1942, a shipment of 517 POWs arrived from Rabaul to work on the airfield—and therein lay another dark story of Japanese atrocities.

Known unofficially as the “Gunners 600,” the prisoners sent to Ballale were among the thousands of British soldiers captured after the surrender of Singapore the previous February. Some 50,000 POWs were initially held near Changi Prison, but in mid-October about 600 Royal Artillerymen were sent to New Britain. After three weeks of misery at sea aboard a “hellship,” they arrived at Kokopo on November 6. One prisoner had died en route, and many others were sick with dysentery, beriberi, and malaria. About a week later, 517 men were sent on to Ballale, leaving 82 of the sickest at Kokopo.

From the time of their arrival at Ballale, the British gunners were harshly treated. Ozaki himself was said to have beheaded a prisoner the next day, no doubt to establish his absolute authoritarianism. The POWs, housed in a compound of huts near the southwestern end of the airstrip, received no medical attention and were not allowed to dig or construct air-raid shelters. Korean laborers, Chinese prisoners, and native islanders also worked on the airfield, but they were strictly prohibited from making contact with the white prisoners.

The island’s occupants were all living on borrowed time. On January 15, 1943, a single B-17 from Guadalcanal bombed the airstrip, and within a matter of weeks, aerial attacks became heavier and more frequent. Unknown to the American aircrews, dozens or possibly even hundreds of POWs were killed by friendly bombs. The Japanese permitted the burial of the victims, whereas POWs who died due to illness or neglect were placed in rice sacks and dumped at sea. By the time [Admiral Isoroku] Yamamoto’s party approached Ballale, the tiny island had been hit at least fourteen times—and only a few dozen of the original 517 gunners were still alive.

Whether Yamamoto was aware of the British prisoners at Ballale is unknown. Either way, the gaunt, sickly survivors would probably have been kept out of sight while the commander in chief visited the garrison. There is no point in speculating further, however, because Yamamoto never reached the island.

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Military Incompetence at Port Moresby, 1942

From Fortress Rabaul: The Battle for the Southwest Pacific, January 1942-April 1943, by Bruce Gamble (Zenith, 2010), Kindle Loc. 3451-76:

Visiting the front lines on just his second full day in the theater, [George] Kenney impressed the men at Port Moresby. They had lost faith in [George] Brett, who rarely visited and had no concept of how awful the conditions at Port Moresby had become. Kenney later wrote: “[Brett] didn’t get up there very often; I think he was up there maybe twice. They didn’t have much equipment and weren’t getting any more equipment; they weren’t getting spare parts when their airplanes began falling apart. Brett didn’t get up to [see] them, and he didn’t check and find out what they needed and see that they got it. Their food was terrible stuff, and he wouldn’t do anything about that. They were getting malaria pretty badly, and there was nothing done about that.”

Kenney was disgusted with just about everything he saw on the tour. Joined by Brig. Gen. Martin F. “Mike” Scanlon, the ranking American at Port Moresby, Kenney spent the day visiting the base with Royce and Whitehead. During the briefing for a bombing mission, Kenney was appalled by the lack of organization. The preliminaries were conducted by an Australian officer who simply declared that the objective was Rabaul, giving no specific targets. Kenney later wrote, “I found out afterward that nobody expects the airplanes to get that far anyhow, and if they do, the town itself is a good target.”

A meteorologist spoke next. His estimates of the weather conditions over Rabaul were based on historical data rather than real-time analysis. Kenney observed that no one was designated to lead the formation, mainly because the bombers were not expected to stay together en route to the target—and no one seemed to care. The only thing the crews fretted about was their bomb load. “The personnel are obsessed with the idea that a bullet will detonate the bombs and blow up the whole works,” Kenney noted. “If enemy airplanes are seen along the route, all auxiliary gas and bombs are immediately jettisoned and the mission abandoned.”

Thoroughly displeased with bomber operations, Kenney next inspected the fighter squadrons and found them no better. After touring the fighter area for a few hours with Lt. Col. Richard A. Legg, commanding officer of the 35th Fighter Group, Kenney wrote, “His organization is lackadaisical, maintenance is at a low ebb, and while he is short of spares there is no excuse for only six P-39s out of forty being constantly available for combat.”

Kenney also investigated the camp areas. “Throughout the Moresby area the camps are poorly laid out and the food situation is extremely bad,” he later wrote. “There is no mosquito control discipline and the malaria and dysentery rates are forcing relief of a unit at the end of about two months’ duty.”

Now Kenney knew why MacArthur was displeased. Nobody seemed to be doing anything about the appalling conditions at Port Moresby, though Kenney did find a few subordinates—none above the rank of major—who were actually attempting to improve things.

After a quick assessment of the overall situation, Kenney immediately began to make changes. First, he told Whitehead to remain at Port Moresby to “look after the fighters” and implement some new policies. He directed that an American staff officer attend every mission briefing; also, every bombing mission would have a specific primary target assigned along with at least two alternates. Finally, he instructed Whitehead to inform Legg that if he didn’t snap out of his lethargy, he’d be replaced.

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Japan’s Aircraft Shortages, 1942: Zeros on Oxcarts

From Fortress Rabaul: The Battle for the Southwest Pacific, January 1942-April 1943, by Bruce Gamble (Zenith, 2010), Kindle Loc. 3191-3213:

The fallout from Midway affected both services. A planned invasion of New Caledonia, Fiji, and Samoa, known as FS Operation, had been scheduled to begin in mid-July but was postponed for two months. Soon after that decision was made, the operation was abandoned altogether. Among the reasons for scrapping it: a newly published report from the Imperial Navy citing several problems in the South Pacific.

The ten-point position paper, submitted by the navy’s Operations Section on July 7, revealed multiple concerns. First, the service frankly admitted that the New Guinea campaign had degraded “into a war of attrition.” Navy leaders also acknowledged that they faced “a huge challenge” in replacing the four hundred plus aircraft lost during the Coral Sea and Midway battles. As of late June, land-based fighter units averaged only 54 percent of their full complement. Reconnaissance units were at 37 percent, medium bombers at 75 percent, and seaplanes at 80 percent. The Tainan Air Group, now divided between Rabaul and Lae, was a prime example. On paper, it had a nominal strength of more than fifty pilots and was allotted forty-five Zeros; but from May through July of 1942, the air group averaged only about twenty combat-worthy fighters. The supply line for replacements was described as “very sluggish,” namely because not enough new aircraft were coming from the factories. The monthly output of all naval aircraft was only slightly ahead of attrition levels, and the navy was particularly disappointed in the slow delivery of fighters—less than ninety aircraft per month in the spring of 1942.

Yamamoto and the Combined Fleet Staff should not have been surprised by the deficiencies. Mitsubishi Heavy Industries built the majority of its Type 0 fighters at the Nagoya Aircraft Works, a huge factory in the densely crowded port city of Nagoya. The plant had recently been enlarged to more than 1.6 million square feet and boasted a workforce of some thirty thousand people, but for all that, it did not produce complete airplanes.

Due to a combination of industrial congestion and inconceivable shortsightedness, the aircraft factory had been built miles from the nearest airfield. As a result, the plant was restricted to producing subassemblies rather than whole planes. The engine, wings, fuselage, and tail section all had to be transported thirty miles to an airfield big enough for assembly and testing. There were no rail lines available, and the streets of Nagoya were too narrow for large trucks. Horse-drawn wagons had been tried, but their speeds over the narrow, rough roads caused too much damage to the aircraft components. Thus, the Japanese resorted to using primitive oxcarts to haul the subassemblies of their modern fighter to Kagamigahara airfield. It took twenty-four hours for each team of lumbering oxen to cover the thirty miles through the crowded streets. No improvements were made to the roads, which deteriorated as production rates increased and more oxcarts were employed. Determined to build more Zeros, the Imperial Navy contracted with another aircraft manufacturer, Nakajima, whose plant eventually exceeded Mitsubishi’s in monthly production; but even at their highest output, the two factories averaged only 140 fighters per month.

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Importance of Hiroshima Bay to Japan’s Navy

From “Importance of Japanese Naval Bases in the Homeland,” by Masataka Chihaya (written on 6 January 1947), in The Pacific War Papers: Japanese Documents of World War II, edited by Donald M. Goldstein and Katherine V. Dillon (Potomac Books, 2006), p. 59 (paraphrased freely):

Peculiar features of the Kure Naval Base were the Naval College, the Submarine School and its huge Naval Yard. I will provide details about the Naval College in a separate report but will outline it here. The Naval College was situated on Etajima, the island opposite Kure, and there was no establishment except the college. Its environment was calm and excellent, and its effect upon the cadets was so remarkable that we cannot neglect it in analyzing Japanese naval tradition.

The width and depth of Hiroshima Bay was so suitable for small-craft maneuvering that the Japanese Navy trained it submarine forces there from the beginning. The Submarine School trained all of the crews of the midget submarines of the type that were deployed in the Pearl Harbor attack, and would have later been deployed in large numbers to defend the homeland.

The Kure Naval Yard was not only the greatest dockyard in Japan, but also the largest arsenal, especially in such heavy industries as the manufacture of steel armor plates and large-caliber guns. The Kure arsenal produced the thickest armor ever made in Japan, and the greatest (18-inch) naval guns ever made, both of which armed the Yamato and the Musashi, the greatest battleships ever made.

Moreover, Kure Naval Base held a substantial portion of the war stocks of ammunition and fuel. Kure was in both reputation and fact the most important naval base in the country.

In addition, it had other particular advantages that Yokosuka and Sasebo both lacked.

1. Kure could accommodate a large fleet, but neighboring Hiroshima Bay also allowed dispersed anchorages that were not so exposed to public view.
2. Its Inland Sea location made Kure less accessible to direct attack by enemy carrier-borne aircraft than Yokosuka and other bases were.
3. The large expanse (Suō-nada) in the western part of the Inland Sea near Hiroshima Bay was the only area where large fleets could maneuver without fear of enemy submarines.

Consequently, Kure Naval Base had been used as a center for fleet operations from the beginning of the Pacific War until the spring of 1945, when Admiral Halsey’s Third Fleet annihilated the remainder of the Japanese fleet in Hiroshima Bay.

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Evolution of Rabaul as Japanese Military Base

From “Importance of Japanese Naval Bases Overseas,” by Masataka Chihaya (written on 14 January 1947), in The Pacific War Papers: Japanese Documents of World War II, edited by Donald M. Goldstein and Katherine V. Dillon (Potomac Books, 2006), pp. 65-66 (paraphrased freely):

Even after Japanese forces occupied Rabaul at the outset of the Pacific War, it was not a major center until May 1942, when large-scale American and Japanese carrier-borne forces clashed in the nearby Coral Sea. Not long after that, in August 1942, the U.S. Navy landed its crack 1st Marine Division on Guadalcanal. As all of Japan’s attention focused on the Solomons and New Britain, the Japanese Navy came to appreciate the magnificence of Rabaul as a naval base.

Rabaul had several sites suitable for large-scale airstrips and good anchorage, too. The land was suitable for cultivation and it was located in the center of the Pacific theater. During the Solomon Islands Campaign, the Japanese often compared Rabaul to the rivet of a folding fan, implying that it was so important that its loss would cause their whole campaign to fall apart.

From the autumn of 1942, Japan, especially its Navy, did everything it could to reinforce Rabaul by stocking it with as many weapons, airplanes, and ammunition as it could spare. Even so, these stocks were almost exhausted by February 1944, in the wake of the disaster in Truk Lagoon, when Japan was forced to withdraw its air forces from Rabaul and cease supplying it.

Japan moved its air forces from Rabaul to Truk and the Marianas not long before the Allied Powers penetrated the Dampier Strait [between New Guinea and New Britain] and invaded the Admiralties, leaving Japan without any means to counterattack. The Admiralties are situated in a position to cut Rabaul’s communication lines with Japan. In consequence, the once-famed base was left isolated in the Southern Pacific, serving primarily as a training target for Allied air forces.

The Admiralties are not only strategically well situated, but also offer a good harbor in Manus, one of the most magnificent bays in the southern Pacific. Whey did the Japanese forces let the Allied Powers invade such an important island without any effective counterattack? Why did the Japanese forces make no effort to fortify it to meet the enemy? Didn’t the Japanese Navy, which constantly emphasized the importance of the South Pacific theater, realize the importance of Manus and the Admiralties?

One cannot but doubt it. I once asked Capt. T. Ohmae, who was a staff officer in that theater, why the Navy did not recognize the importance of Manus? He replied, “It was not that the Japanese Navy didn’t recognize its importance. It was just that some survey of that island found that it was not entirely suitable for human habitation. So we had to give up building a base there.” This was indeed among our great blunders, for the Allied Powers succeeded in constructing a magnificent naval base at Manus after they occupied it.

The fate of once-famed Rabaul went from bad to worse after the fall of the Admiralties in February 1944. After losing its air power, the Japanese garrison at Rabaul had to go underground—literally. They constructed extensive underground fortifications, containing factories as well as warehouses. When the war ended in August 1945, Rabaul was found to be one of the strongest fortresses in the Pacific.

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Military Importance of Truk Lagoon to Japan’s Navy

From “Importance of Japanese Naval Bases Overseas,” by Masataka Chihaya (written on 14 January 1947), in The Pacific War Papers: Japanese Documents of World War II, edited by Donald M. Goldstein and Katherine V. Dillon (Potomac Books, 2006), pp. 63-65 (paraphrased freely):

Truk Lagoon is one of the greatest, forming a rough triangle more than 30 miles on each side. Inside the lagoon are many islands, not sand islands or coral reefs, of which more than eight are more than one square mile in size. It provided not just sufficient anchorage for a whole Japanese fleet during that era, but also enough area to allow several vessels to maneuver for training. The islands also provide enough room for several airstrips. In fact, by the end of the war, the Japanese Navy had built at least four such strips. The climate is also tropical but mild. In addition to these advantages, Truk occupies a key position in the middle Pacific area, able to control Midway to the north, the Marshalls in the east, and Rabaul and New Britain to the south. From every point of view, Truk was one of Japan’s most important bases in the Pacific.

When it occupied Micronesia in World War I, and during the League of Nations mandated administration that followed, the Japanese Navy was well aware of Truk’s importance. However, in strict observance of the postwar naval treaties, it did little to establish a naval base there. It may be hard to believe, but it is true. At the outbreak of the Pacific War there was only one half of a completed airstrip on Takeshima (Bamboo Island), a small island less than 1,000 meters long. There was no underground oil storage, nor any repair facilities on land. The only naval facility worthy of the name was that half-completed airstrip.

Even after war broke out, the Japanese Navy was rather slow to strengthen Truk Naval Base. As soon as the U.S. Navy began its offensive on Guadalcanal in the summer of 1942, and the Solomon Islands became the main theater of fighting for both navies, Truk became the center of Japanese naval operations. Almost all naval vessels gathered there before making sorties into the Solomons, and returned there for refueling and repair when damaged. Never before had the need for oil storage and repair facilities been more urgent, and the Japanese Navy concentrated its oil tankers and repair ships there while quickly trying to build such facilities on land as well. But it was too late. This concentration of oil tankers in Truk disrupted the flow of oil from Southeast Asia back to the Japanese homeland. Even the giant battleships Yamato and Musashi, which should have been at the center of the Japanese fleet, were often nicknamed “the tankers Yamato and Musashi” because they served as tankers supplying fuel to smaller warships instead of engaging in combat operations.

As there were not enough repair facilities on Truk, Japanese naval vessels sometimes had to go all the way back to the homeland for repairs, thus reducing the size of the naval forces available for the Solomons campaign.

It was not until the summer of 1943 that the Japanese Navy began to construct three more airstrips at Truk, two on Harushima (Spring Island) and one of Kaedeshima (Maple Island). By the time the U.S. Navy made a surprise attack on Truk on 17 February 1944, those three bases were almost complete, but they lacked adequate radar and command-and-control equipment, which would have made them more useful.

As a result, during the surprise attack on Truk in February 1944, U.S. Navy carrier-borne aircraft came out of the blue, destroying one light cruiser, 4 destroyers, 26 transport ships, 3 oil tanks, 2,000 tons of food, and more than 180 airplanes, of which more than 100 were lost on the ground.

This fiasco, together with the loss of the Gilberts and Marshalls, suddenly lessened the importance of Truk as a naval base. The Japanese fleet, which had long gathered at Truk, moved westward into the Carolines, Singapore, and even the homeland. Soon afterward, the Japanese Navy withdrew its land-based aircraft to the Marianas and western Carolines. Truk was no longer a vital naval base, just a stepping stone between the Marianas and Rabaul.

The bad situation on Truk got worse when U.S. forces invaded the Marianas in June 1944. Truk could contribute little to the Japanese defense, and the fall of the Marianas left Truk largely isolated, except for very few small visits by submarines and flying boats. From that time on, Japanese forces on Truk had to endure not just Allied air attacks, but mounting starvation and disease until the war ended in August 1945.

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Codebreaking in New Guinea, 1944

From Hell’s Battlefield: The Australians in New Guinea in World War II, by Phillip Bradley (Allen & Unwin, 2012), Kindle Loc. 6019-37:

On 20 March [1944], Emirau Island, 120 kilometres northwest of Kavieng, was occupied unopposed, and by the end of April two airfields had been constructed there. With Kavieng and Rabaul isolated, MacArthur could now make a great bound towards the Philippines. Having convinced the Joint Chiefs of Staff that Wewak should be bypassed, he planned to strike Hollandia (modern-day Jayapura), just across the border from Wewak in Netherlands New Guinea. Apart from isolating the Japanese Army in New Guinea, MacArthur wanted the prime anchorage of Humboldt Bay and the Lake Sentani airfields for his drive towards Japan.

Intelligence made the Hollandia decision possible. ULTRA decrypts, the decoded Japanese naval and Army communications, had already played an important part in New Guinea operations. ULTRA’s first success had been to expose Japanese intentions during the Papuan campaign, particularly the planned invasions of Port Moresby and Milne Bay. Later plans to reinforce Lae had been uncovered by ULTRA and then undone by the Battle of the Bismarck Sea. ULTRA had then kept MacArthur informed of the air buildup at Wewak, which had been so efficiently nullified by Kenney’s air arm. Now it gave MacArthur the priceless advantage of knowing that Hansa Bay was being reinforced and would be a tough nut to crack. The same was true of Wewak, but the decrypts confirmed that both Aitape and Hollandia were weakly held. The Japanese commanders were thinking in small steps, while MacArthur was planning a great leap.

The Australians played a major part in this intelligence coup. When the radio platoon from the Japanese 20th Division headquarters had pulled out from Sio in the wake of the Australian advance, its men had to carry the heavy components of the radios. However, a large trunk containing all their code books and other cipher material was left behind, buried in a nearby creek. It was discovered by Australian sappers sweeping the former headquarters site for mines and sent back to Australia, where the documents were painstakingly dried out and analysed. The cipher keys gave the Allies access to crucial intelligence on Japanese Army strength and plans in New Guinea.

So MacArthur would boldly strike for Hollandia six months ahead of the originally scheduled date. Though the operation’s code name, Reckless, may have indicated otherwise, MacArthur had the intelligence and the resources to succeed.

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Japanese Troops Isolated in PNG, 1944

From Hell’s Battlefield: The Australians in New Guinea in World War II, by Phillip Bradley (Allen & Unwin, 2012), Kindle Loc. 6487-6497:

By October 1944, Lieutenant General Hataz [sic; Hatazō 二十三 ‘2-10-3’ because he was born in the 23rd year of Emperor Meiji’s reign] Adachi’s Eighteenth Army had dwindled to 35,000 men, most of them at Wewak and along the coastal strip further west. As at Bougainville, Australian ground forces had replaced the Americans at Aitape but were not content to sit still inside the former American perimeter. By the end of October, the first patrols by Major Charles Wray’s 2/10th Commando Squadron had contacted scattered troops from Lieutenant General Goro Mano’s 41st Division—the remnants from the abortive attacks at the Driniumor River—who were slowly withdrawing to the interior.

What was left of Major General Nakai’s 20th Division was further east, while the scant remnants of Lieutenant General Nakano’s 51st Division were around Wewak. All Adachi’s units were widely spread out and consigned to subsistence farming by the Allied blockade. The Japanese produced salt by night on the coast at Wewak and got oil and copra from nearby Muschu Island. However, they could not grow batteries for their communications equipment or ammunition for their weapons, so Adachi was limited to small-scale actions for the remainder of the campaign. As his chief of staff, Lieutenant General Kane Yoshihara, wrote: ‘There were no clothes, no shoes, no blankets, no mosquito nets, no tools, no ammunition, no medicine, and there was, of course, a shortage of food.’

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Japan’s South Seas Detachment Crosses the Line, 1942

From Darkest Hour: The True Story of Lark Force at Rabaul – Australia’s Worst Military Disaster of World War II, by Bruce Gamble (Zenith, 2006), Kindle Loc. 1125-1147:

Private Akiyoshi Hisaeda, from the Ehime Prefecture of Shikoku, kept a diary as he sailed to Rabaul aboard the transport Venice Maru. He described the conditions as “very cramped and uncomfortable,” and noted that the temperature inside the ship reached 43 degrees Celsius (110 Fahrenheit). Life inside the other transports was equally awful. There was little fresh water, and the crude wooden benjos (latrines) were up on the main deck, which also happened to be where the meals were cooked. Down below, everyone was tormented by hordes of flies.

The Japanese soldiers were no strangers to terrible conditions or harsh environments. Their rigorous training system, based on the principle of instant obedience achieved through strict discipline, had prepared them well. From the moment they began training as recruits, they were immersed in a culture of degradation and abuse, a rude awakening for people who had spent their entire lives learning group harmony. Not only were recruits cursed and shamed in front of their peers, they were also beaten regularly. Sometimes they were hit on the buttocks with wooden sticks, other times they were slapped, usually with an open hand but occasionally with the sole from a hobnailed shoe. Many instructors were sadistic, barely more than thugs, and they had tremendous latitude to punish recruits with methods calculated to break down every vestige of individuality. Frequently the entire class or platoon received the same punishment: If one suffered, all suffered.

One of the cruelest penalties was meted out during evening meals. Picked at random, recruits were ordered to recite by memory from the Gunjin Chokuyu [軍人勅諭 aka ‘Imperial Rescript to Soldiers and Sailors’], “Emperor Meiji’s Instructions to the Men of the Fighting Services.” First issued in 1883, it exhorted warriors to carry out their duties with loyalty, propriety, valor, faithfulness, and simplicity. The wording was archaic, difficult to memorize, and if anyone made a mistake or forgot a passage, he was forbidden to eat. For recruits already bruised, exhausted, and ravenous from the day’s training, the denial of food was excruciating. After six months or more of such extreme conditioning, the recruits emerged as well-disciplined soldiers, their “bodies and minds tempered hard as steel.” The men of the South Seas Detachment were no different, and could tolerate anything that nature or the Imperial Army could throw at them.

WHEN THE INVASION FORCE REACHED THE EQUATOR AT 0500 ON JANUARY 20, the South Seas Detachment paused to commemorate a special event. In all of Japan’s 2,600-year history, they were the first army force to cross the line. Miyake later described the scene aboard his vessel: “On the day we crossed the equator, all the men, fully armed and equipped, assembled on deck. ‘At this time, when we are about to … advance into the southern hemisphere, we shall pay our respect toward the Imperial Palace,’ said the commander toward his assembled subordinates. Solemnly, and with overflowing emotions, the men presented arms toward the north.”

The South Seas Detachment [南海支隊 Nankai Shitai], under Imperial Japanese Navy command, was mostly drawn from Japan’s 55th Division, which was recruited primarily from Shikoku and played a key role in the Burma Campaign. The 55th Division’s home base and elite POW camp was Zentsūji. The POWs included about 200 Americans captured by the South Seas Detachment on Guam and Wake Island, a few dozen mostly British prisoners from Singapore, and 60 Australian officers from Rabaul. The Zentsūji POW camp was a Potemkin village to impress International Red Cross representatives with Japan’s humane treatment of its captives. Most of the rest of the men captured in the Rabaul Campaign died aboard the hell ship Montevideo Maru en route to Hainan Island, when it was torpedoed by an American submarine, the USS Sturgeon, on 1 July 1942. The loss of those 1050+ men was Australia’s single worst military disaster of World War II.

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