{"id":2115,"date":"2024-04-23T16:13:01","date_gmt":"2024-04-23T16:13:01","guid":{"rendered":"https:\/\/gunowner-news.com\/?p=2115"},"modified":"2024-04-23T16:13:01","modified_gmt":"2024-04-23T16:13:01","slug":"japanese-lunge-mines-and-banzai-sticks-last-ditch-weapons-in-wwii","status":"publish","type":"post","link":"https:\/\/gunowner-news.com\/?p=2115","title":{"rendered":"Japanese Lunge Mines and Banzai Sticks \u2014 Last-Ditch Weapons in WWII"},"content":{"rendered":"


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By Tom Laemlein<\/a><\/p>\n

D<\/span>uring World War II, the ancient Samurai moral code of honor, obedience, duty and self-sacrifice found its way into Japanese military tactics, particularly during the last desperate months of the empire of the Rising Sun.<\/p>\n

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If the Japanese soldier successfully detonated a lunge mine against the side armor of a M4 Sherman tank, both the tank and the attacker would likely be destroyed. Image:\u00a0NARA<\/figcaption><\/figure>\n

Beyond the high-profile Kamikaze air strikes, the Kaiten suicide submarines and the Shinyo explosive motorboats<\/a>, Japan\u2019s self-sacrificing warriors sometimes used glamorous methods in their attacks on Allied forces. Some of the more bizarre weapons of the war grew from this mindset, including a modern take on the classic spear, as well as an exploding spear for use against tanks.\u00a0<\/p>\n

Reliance on the Bayonet<\/h2>\n

The first two years of the war in the Pacific taught American troops about their Japanese opponent\u2019s reliance on the bayonet. While most armies began to minimize the use of the bayonet during World War II, the Emperor\u2019s Army still considered it to be a prime combat weapon, an extension of their soldiers\u2019 commitment to the attack and a visible expression of the spirit of Bushido.<\/p>\n

\"In\n<\/picture>
The Japanese Type 30 bayonet featured a 15.75\u2033 blade. Although it was longer than its American counterpart, the advantage didn\u2019t seem to affect the engagement outcomes. Image:\u00a0Author\u2019s collection<\/figcaption><\/figure>\n

In a U.S. \u201cIntel Digest\u201d entry in the October 1943 issue, U.S. troops described their experience in bayonet combat with the Japanese:\u00a0<\/p>\n

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In bayonet fighting, the Japanese apparently try to work in pairs. Their bayonets have a hook on the underside, at the hilt. One Jap tries to hook his opponent\u2019s rifle long enough for the other to use his bayonet. I never saw these tactics work successfully.<\/p>\n

\"In\n<\/picture>
The Japanese Type 38 rifle with its matching Type 30 bayonet. Image:\u00a0NARA<\/figcaption><\/figure>\n

I don\u2019t believe that the Japanese soldiers have had a great deal of training in the technique of using the bayonet. They did very little fencing but attempted direct jabs. They did not use the butt stroke and were fooled by it in several instances (particularly by the vertical).<\/p>\n

One Jap dropped the butt of his rifle to the ground and held the bayonet up at an angle against an oncoming U. S. soldier. The Japanese bayonet was a little longer and a little more pointed than ours, but this did not seem to give the enemy any advantage.<\/p>\n<\/blockquote>\n<\/blockquote>\n

The Banzai Stick Identified<\/h2>\n

As the war continued, Japanese troops became starved for even the most basic weapons and supplies, and these shortages manifested themselves in some truly bizarre weapons and tactics.<\/p>\n

On February 17, 1945, the US G-2 \u201cUSAFPOA Intelligence Bulletin\u201d, described \u201cJapanese Spear Attacks\u201d encountered in the Philippine Islands. Despite the strange nature of these weapons, incredulous intelligence officers reported:\u00a0<\/p>\n

\"In\n<\/picture>
A U.S. Marine examines a Japanese spear made from a bamboo pole and a bayonet. The weapon was recovered during the Battle of Saipan in July 1944. Image:\u00a0NARA<\/figcaption><\/figure>\n
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Numerous instances have been reported of Japanese attacks in which the participants carried \u201csharpened bamboo spears\u201d, or bamboo poles with knives or bayonets affixed. These weapons were used to arm men for whom no better weapon could be supplied. It is interesting to note that, at least in one instance, the tactics and technique of fighting with bamboo spears has been prescribed.\u00a0<\/p>\n

A mimeographed file of operation orders of the KAKI Force (16th Division) captured on Leyte Island and published by ATIS SWPA contains the following notes on spear fighting: \u2018Experience gained at Lumban, Laguna Province (Luzon, PI).) shows that in killing with bamboo spears, the chest is a very difficult spot to stab because of the ribs. The stomach, however, was found to be a most vulnerable spot.\u2019<\/p>\n<\/blockquote>\n

\"A\n<\/picture>
A \u201cBanzai Stick\u201d captured on Saipan during the summer of 1944. This is little more than a pole fitted with a metal spike. While crude, it was deadly at close range. Image:\u00a0NARA<\/figcaption><\/figure>\n

The document then proceeds to prescribe the method of attack by an infantry section armed with spears: \u201cWhen the group has advanced to within throwing distance of the enemy, part of the group will throw their spears, and the remaining troops will immediately rush in and stab the enemy.\u201d An explanation is given in which the right half of the attacking group is the spear-throwing group, while the left half is designated as the assault group.\u00a0<\/p>\n

The Japanese offered the following precaution to prevent the entire group from throwing their spears, leaving no man armed to close with the enemy: \u201cBe sure to provide a leader and have instructions given beforehand that at least half of the men will carry bamboo spears and it should be planned so that the entire group will not become unarmed.\u201d\u00a0<\/p>\n

Nikudan: Japan\u2019s Human Bullets<\/h2>\n

The Japanese did not suffer defeat well, and consequently, few of the Emperor\u2019s men surrendered. When faced with being overwhelmed from their island positions, Japanese commanders often expended their remaining troops in a wild suicidal charge. These Banzai charges of the \u201cNikudan\u201d(human bullets) saw the first uses of the improvised spears, and the notion of the \u201cBanzai Stick\u201d. <\/p>\n

\"American\n<\/picture>
This \u201cBanzai Stick\u201d was captured by U.S. Marines on Okinawa. The crude spear uses what appears to be a rifle stock. Image:\u00a0NARA<\/figcaption><\/figure>\n

May 28, 1943 on Attu: Colonel Yasuyo Yamasaki with 1,200 men, many of them wounded, faced more than 11,000 U.S. troops from his position atop Buffalo Ridge near Chichagof Harbor. His last radio transmission to Tokyo proclaimed that he would \u201cannihilate\u201d the Americans. Even so, weapons and ammunition were in short supply. In a human wave attack that overran several American command posts as well as a field hospital, many of the Japanese troops were armed with nothing but a bayonet lashed to a pole. Their suicidal charge reached the base of \u201cEngineer Hill\u201d, where a cobbled-together force of G.I.s, including cooks and medics, stopped the attack in some of the most brutal hand-to-hand fighting of the entire war. When Attu was finally secure, less than 30 of the original 2,900 Japanese defenders survived.<\/p>\n

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July 6, 1944 on Saipan: Lieutenant General Yoshitsugo Saito motivated nearly 3,000 survivors of his original 30,000-man garrison by exhorting: \u201cTake this chance to exalt true Japanese manhood!\u201d As his poorly equipped men left for the largest \u201cBanzai Charge\u201d of the Pacific War, General Saito killed himself with his sword. And just like on Attu, many of the Japanese troops were armed with nothing but a bayonet tied to a bamboo pole. U.S. troops began to refer to these crude spears as \u201cBanzai Sticks\u201d. Whatever they were called, they were of little value against massed machine gun and rifle fire.<\/p>\n

April 21 1945 on Ie Shima (near Okinawa), the Banzai Sticks were again encountered as approximately 400 Japanese, many of them women, conducted a Banzai charge against the U.S. 77th Infantry Division\u2019s positions on Bloody Ridge. The G.I.s fought back the tears as they shot the charging civilians down. As the Allies prepared for an invasion of the Japanese home islands, the stage was set for a level of total war unforeseen in modern history.\u00a0<\/p>\n

One Hundred Million Will Die!<\/h2>\n

By April 1945, the Japanese government was committed to the concept of total war. Should the Allies invade the Japanese home islands, there would be few exemptions from military service for the people. In November of 1944, the government decreed that all males between 14 and 61, and unmarried women from 17 to 41, were required to register for National Service.<\/p>\n

\"In\n<\/picture>
Military training of civilians in Japan included these young Japanese schoolgirls. For many, death was preferred to surrender. Image:\u00a0Polish National Digital Archives<\/figcaption><\/figure>\n

By the late spring of 1945, civilian militias were renamed the \u201cVolunteer Fighting Corps\u201d, and Japanese Prefecture governors were empowered to conscript those \u201cvolunteers\u201d \u2014 with 28 million Japanese civilians described as combat-capable at the end of June 1945.<\/p>\n

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Japanese women wearing gas masks learn how to operate the Type 11 LMG to defend Japan. The Type 11 was similar to the Hotchkiss machine gun. Image:\u00a0Polish National Digital Archives<\/figcaption><\/figure>\n

A \u201cPeople\u2019s Handbook of Resistance Combat\u201d was created to educate these units in the guerrilla warfare that was expected to come. The peoples\u2019 weapons were to be the Banzai sticks previously described, along with swords, daggers, axes, scythes, and even long bows. Japan\u2019s government was prepared to sacrifice their entire population to resist an invasion.<\/p>\n

Japanese Suicide Attacks \u2014 One Man for One Tank<\/h2>\n

Desperate times call for desperate measures, and one of the most bizarre and desperate weapons of WWII was the Japanese Shitotsubakurai or \u201cLunge Mine\u201d. Throughout the war, Japan lagged in the development of armored vehicles, and consequently, anti-tank weapons as well.<\/p>\n

\"Shown\n<\/picture>
The Japanese Lunge Mine, also known as the Shitotsubakurai. It was a hollow-charge anti-tank mine mounted on a spear. Image:\u00a0Courtesy of Edwin Libby<\/figcaption><\/figure>\n

By late 1944, some Japanese infantry tank hunter teams included a suicide component as some individuals strapped themselves with explosives, and then threw themselves underneath American tanks to explode the charges against the thin belly armor. Close cooperation between American armored vehicles and their supporting infantry stopped many of these suicide anti-tank measures.<\/p>\n

Japan looked for a way to deploy a more reliable armor-piercing munition against the growing number of American M4 Sherman medium tanks. A U.S. Sixth Army G-2 report from December 20, 1944, described a strange new anti-tank weapon:<\/p>\n

\"Shown\n<\/picture>
This is a diagram of the Japanese anti-tank mine\u2019s conical warhead. It was designed to be effective against American tanks with no regard as to the survivability of the user. Image:\u00a0NARA<\/figcaption><\/figure>\n
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A new threat to our tanks and tank crews has been devised by the fanatical Japanese. The Japanese \u201cLunge Mine\u201d, a suicide anti-tank weapon, has been found on Leyte and attempts to use it have been reported. The name\u00a0Lunge Mine<\/strong>, given to this weapon by the Japanese, means that the operator literally lunges forward with the mine. Information as to construction, methods of employment, and other data on this mine, is revealed in a document captured at Leyte, on 13 December 1944. Pertinent information from the translation is quoted here:\u00a0<\/p>\n

General information: The Lunge Mine is a conical-shaped mine with a wooden handle and is thrust against tanks. It is a suicide anti-tank mechanism which is capable of penetrating armor-plating up to a thickness of 100mm (4 inches) killing or injuring the occupants and damaging the internal equipment. Compared to the same amount of ordinary explosives, this mine has the following advantages \u2014 it not only has greater penetrating power but it explodes downward and to the sides, and the danger to the persons in the rear is comparatively small.<\/em><\/p>\n

Description: The fougasse of this lunge mine is located in front of the handle. The fougasse contains the powder charge and the detonator, and it has a cavity inside which is peculiar to this mine. The powder charge and the cavity are separated by a metal funnel. It contains about 3 kg (6.6 lbs.) of brownish-powdered charge.<\/em><\/p>\n

The detonator is attached at the top: At the top, a cover prevents the explosive charge from becoming moist and from leaking. To increase the penetrating power, there are three legs attached at the bottom, and the mine must be made to explode as close as possible to the armor plate. The wooden handle is 59 inches long and has a striker at the end. It has a cylinder which screws on the fougasse. To ensure safety while carrying, there is a safety pin and a holding pin (the holding pin prevents possible explosion by shock caused by the weight of the fougasse and vibrations while carrying).\u00a0<\/em><\/p>\n

Attach the handle to the fougasse. Pull the safety pin out. If the object is struck with sufficient force, the holding pin will be cut, and the striker will move forward to the detonator and set the mine off. The weight of the fougasse is approximately 5 kg (11 lbs). The weight of the handle mechanism is approximately 1.5 kg. The total is approximately 6.5 kg.<\/em><\/p>\n<\/blockquote>\n

The Japanese report advises: \u201cWhile approaching the enemy, in order to lunge forward, pull the safety pin out and use bayonet tactics to prevent the fougasse from vibrating. Do this by holding the center of the handle as near as possible to its extremity. When lunging forward, thrust the handle forward with sufficient force to insure a certain explosion. However, make contact squarely. Considerable skill is necessary in the lunging operation due to the weight of the mine. The best method is to make a suicide attack, therefore without losing footing, make contact squarely.\u201d<\/p>\n

\"Shown\n<\/picture>
The hollow charge warhead contained 6.6 pounds of TNT which was theoretically capable of penetrating up to 150mm of armor plate at 90 degrees. Image:\u00a0NARA<\/figcaption><\/figure>\n

The lunge mine\u2019s large hollow charge explosive was highly effective in armor penetration, but the user needed to make straight-line contact with the target vehicle, preferably against the thinner side armor. The resulting blast would likely destroy the vehicle and incinerate the lunge mine operator. The Japanese instructions claim: \u201cThis mine can be directed against the side of a tank hull of an American. Type M-4 medium tank with armor plating of 40-45mm in thickness.\u201d<\/p>\n

Final Thoughts on the Lunge Mines<\/h2>\n

Suicidal anti-tank efforts were not unique to the Imperial Japanese Army. However, the Japanese military culture made attacks like the lunge mines more common in the later stages of the war.<\/p>\n

In the end, the lunge mine proved to be unsuccessful, regardless of Japanese zeal. Its design required close-quarters ambush, but the five-foot length of the weapon made it awkward in this role. Once alerted to its existence, U.S. Army and U.S.M.C. tankers sprayed likely ambush points with machine gun fire, and supporting infantry were careful to scout ahead and protect the flanks.<\/p>\n

The original report reads: \u201cAll attempts by Jap soldiers to use the Lunge Mine against our tanks thus far have been reported as unsuccessful. Our tank crews are prepared to cope with tactics of such unreasonable zeal. They find that hand grenades are most handy to pitch ahead of their moving tanks into ditches, foxholes, or other hiding places, in which the die-for-the-Emperor soldier may be lurking with his Lunge Mine.\u201d
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By Tom Laemlein During World War II, the ancient Samurai moral code of honor, obedience, duty and self-sacrifice found its way into Japanese military tactics, particularly during the last desperate months of the empire of the Rising Sun. If the Japanese soldier successfully detonated a lunge mine against the side armor of a M4 Sherman […]<\/p>\n","protected":false},"author":1,"featured_media":2116,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gunowner-news.com\/index.php?rest_route=\/wp\/v2\/posts\/2115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gunowner-news.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gunowner-news.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gunowner-news.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gunowner-news.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2115"}],"version-history":[{"count":0,"href":"https:\/\/gunowner-news.com\/index.php?rest_route=\/wp\/v2\/posts\/2115\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gunowner-news.com\/index.php?rest_route=\/wp\/v2\/media\/2116"}],"wp:attachment":[{"href":"https:\/\/gunowner-news.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gunowner-news.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gunowner-news.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}