Ming Chinese infantry tactics — Part 2

In my previous blog post, I briefly discussed about large formation battle in the context of Chinese warfare. However, it only gives a very rough and incomplete idea on how a large scale battle was fought. In this blog post, I will delve deeper into the subject, using actual figures, pictures, as well as comparison with Western formation to give a clearer picture on Chinese battle formation.

Individual spacing and formation frontage
Generally speaking, four typical Chinese soldier would occupy a five chi (approx. 5.35 feet or 1.63 m) by five chi square. In other word, space between two soldiers, measured from shoulder to shoulder, is roughly 2.1 feet. For example, an early Mandarin Duck squad employed by Qi Ji Guang (戚繼光) would occupy a rectangular space of five chi wide and one zhang five chi long (5.35 feet × 16.05 feet).

Typical Chinese formation was actually incredibly spacious by European standard, as European pikemen of the sixteenth and seventeenth century fought in very dense formation, with space between two soldiers as little as 18 inches.

Chinese Military Formation Frontage Comparison

Ming period military theorists preferred this spacing probably due to the significance of number five in Chinese culture (Five Elements, Five Classics, five appendages, etc.) more than anything else, although it did serve a more practical purpose — five chi was a good spacing for fighting in narrow, maze-like trails, footpaths and paddy field ridges, all common geographical features of South China, as it maintained a fine balance between formation density, maneuverability, and situational awareness. A battle in such terrain required an army to be able to quickly disperse into numerous small units and occupy as many trails as possible. At the same time, individual small units must maintain coherence without losing contact with each other, while checking for potential ambush (hence the emphasis on small unit tactics in Ming infantry doctrine). Once the fighting took place, occupied trails could be used for reinforcement, flanking maneuver, ambush and counter ambush (whilst preventing the enemy from doing the same).

A densely packed and relatively inflexible formation would find it extremely difficult, if not outright impossible, to maneuver such terrain, while a loose skirmishing formation would be quickly overpowered by the combined arms of Mandarin Duck squad.

Modern double file formation and hallway saturation tactic used by special ops can be seen as the contemporary application of similar concept.

Aerial photo of paddy fields during harvest time. Zhejiang, China.
Presumably, Chinese troops would contract the formation and fought shoulder to shoulder when actual fighting took place (as did European pikemen). Although not specified in the military treatise, a Mandarin Duck squad would likely contract to a three chi (approx. 3.2 feet or 97.8 cm) space during actual combat, in order to take advantage of the protection of Ai Pai (挨牌).

Mandarin Duck Formation Frontage

Other spacing were also used. Xu Guang Qi (徐光啟) for example chose four chi, five chi and six chi spacing for some of his formations.


Gaps in the formation
Like ancient Romans, many Ming armies employed gaps in the formation, albeit on a much smaller scale. Instead of using large gaps equal to the width of entire maniple of legionaries (hundreds of men) like the Romans, Chinese armies utilised small gaps of approximately one zhang wide (approx. 10.5 feet) that could only accommodate five to twenty men. Nevertheless, the purpose of maintaining such gaps was essentially the same — to facilitate unit rotation.

While Chinese had faced many different enemies including well-drilled armies, savage hordes and undisciplined mobs, the risk of enemy troops penetrating into the gaps never seems to occur to most Chinese military thinkers. In other word, they never thought of these gaps as potential weak points. It is possible that these gaps were simply too narrow to be exploited, or generally consisted of untraversable terrains such as flooded paddy field patches.

Ming Dynasty Formation Gap

Besides, many Chinese armies often made area denial weapons such as caltrops and cheval de frise standard issue (for example, Qi Ji Guang's army had six cheval de frise and ninety caltrops for every twelve men, in addition to one cloth wall). Presumably, these area denial weapons could be deployed quickly to punish any enemy foolish enough to attempt to penetrate into the gaps.


Default to Hollow Square
Ming Chinese Infantry Square Formation
A hollow infantry square formed by eighty-eight Mandarin Duck squads, or 880 troops (not counting porters, reserve force and commanding officers positioned at the centre). From 'Lian Bing Za Ji (《練兵雜紀》)'.
Chinese armies had fought enemies that were almost entirely mounted for so long that hollow infantry square (or other squarish formations with no vulnerable flanks or rear, such as a wagon fort) had become essentially their default formation, as infantry square was the most logical and effective formation to defend against cavalry charge and flanking maneuver. The practice was especially noticeable in the North, where Chinese faced many nomadic horsemen, but seems to be carried over to the South as well. While Chinese faced mostly foot soldiers in the South, the prevalence of ambush and guerrilla tactics made this formation a necessity. Besides, almost none of the enemies that Chinese faced had the firepower to outshoot them, making the biggest weakness of hollow square formation a non-issue.

Chinese armies utilised both large, regiment-sized square as well as multiple smaller squares working in tandem with each other. However, Chinese squares were relatively immobile and generally ill-suited for offensive role (unlike later Napoleonic squares).


Field fortification
Ming Dynasty Castra
Example of a fortified camp, from second edition 'Ji Xiao Xin Shu (《紀效新書》)'.
Like the Romans, Chinese armies built fortified military camps (or "marching forts" similar to Roman castra), and preferred to fortify their positions whenever possible. They were known to construct fortified positions in close proximity of their enemies moments before actual fighting took place, or even mid-battle. Some troops (particularly Jurchen and Qing troops) even employed cheval de frise in direct assault role. Such fortified position went hand in hand with the hollow square formation (see above).

Whenever time and resource permit, Chinese armies would construct incredibly fortified military camps known as Cheng Ying (城營, fortress camp) complete with multiple layers of wooden and earthen walls, watchtowers, trenches, ditches, abatisses and punji pits, as well as defensive trebuchets and hundreds of crossbow traps. If building such sophisticated camp was not possible, they would opt for simpler palisade fencing and ditches. For truly simple camps or fortified positions that could be build hastily, Bu Cheng (布城), cheval de frise, caltrops and anti-cavalry trip ropes were used instead.

9 comments:

  1. Interesting post as always. I find the Mandarin Duck formation fascinating, but wonder about how it worked in practice; do we have records of how it performed in action? I assume it was effective against the pirates, but for instance was it used against regular Japanese troops in Korea, and if so how did it fare (I think troops trained in its use were in one of the contingents sent?)

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    1. Good day Clibinarium =D

      Against Wokou pirates, Qi Ji Guang's army achieved victories and kill-ratio that are truly incredible, at time killing thousands without a single casualty in return (these are not boasts or exaggerations, however keep in mind that most casualties happened after one side breaks).

      I've since expanded my knowledge on Imjin War (only a little bit though) and can answer you better this time:

      For Imjin War, most Chinese troops that went there were Northern cavalry, and Ming army only engaged Japanese troops in open battle two times(Byeokjegwan and Jiksan). Both battles involved a few horsemen against numerous infantry (3~5000 Ming vs 3~40000 Japanese, including reinforcement)and both ended inconclusively. Ming was disadvantaged during Byeokjegwan but gained upper hand during Jiksan.

      Other land battles were all sieges.

      Several ex-Qi Jiguang contingents did went to Korea, but their only achievement of note was becoming the first to capture Moranbong during Siege of Pyongyang.

      Other than that, Wu Wei Zhong (one of the early followers of Qi Jiguang) seems to get ambushed by Katō Kiyomasa once, losing 200~300 men, many of them drowned.

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    2. As for Mandarin Duck Formation itself, the more I look at it, the more it looks like a simple "shield in front + pikemen behind" formation. I don't think there's any hidden features that make the formation especially effective/ineffective or anything (aside from the bamboo Lang Xian, that is).

      In fact, it was such as logical thing to do that most armies in the world must've used the formation in one form or another (i.e. both Hoplites and pikemen had well-armoured first rank)

      Something like this.
      http://i.imgur.com/DCI7FCe.jpg

      http://i.imgur.com/OL4QRLR.jpg
      Saxony Duck Formation......just joking.

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  2. I don't think the Ming was disadvantaged at Byeokjegwan. Several thousand Ming cavalrymen were ambushed by more than 20,000 japanese infantrymen, and the Ming still managed to get away from it. If anything, this shows the inability of japanese infantrymen to cope with cavalry.

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    1. Ming did well in that battle (or rather, the Japanese performance was...less than stellar, to put it kindly), but a defeat is a defeat.

      It's true that Japanese army at the time was ill-suited to deal with cavalry, since the terrain of Japan is unsuitable for this type of warfare. Consequently, they lacked competent cavalry, as well as the experience dealing with cavalry.

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  3. In my opinion , by the time of Imjin Waeran , the former officers of the Gen Qi commanded far less infantry compared to the Northern based infantry. Many of those were dominated by Northern officers who had no prior exposire to Gen Qi tactics. Plus factors like political affiliation and corruption within Ming govt had disfavoured the former officers of Gen Qi who were by Imjin Waeran
    times were already aging and handicapped by their association with Gen Qi who himself retired and died in poverty as a result of political persecution.

    I recommeded The Book Imjin Waeran by Samuel Hawley and the translated version of Jingbirok , The Book of Corrections written by Ru Songnyong, translated by Choi Byonghyon. These two books are quite helpful in understanding the Imjin Waeran gave accounts of Ming military in the war.

    I also tend to not over embelish the prowess of Ming Military during Imjin Waeran. However, I have to say , the role of former Gen Qi 's officers were really discriminated at that time at the expense of the allied forces of both Ming and Joseon military, sad but true.

    However , there were " unwarranted "account which need unbiased study on one of the former Gen Qi's officer named Luo Sangji or Nak Sangji in korean who might contributed some Gen Qi military insights to the Korean side. His name was mentioned in the Muyedobotongji ( The Comprehensive Illustrated Manual of Martial Arts of Korea ). The weird also, when I watched the entire episode of Korean Sageuk drama of Jingbirok, Luo Sangji was portrayed as one of the sympathizer to the Korean side in fighting the Japanese and had helped in training, but this was just a portrayal , which needed to be confirmed in reality.




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    1. @Wushangkhan

      Much of what you wrote is true, since most of the former Qi Jiguang officers were subordinated to someone else from the Northern side (and highest commander of the Ming army was of the North), as well as the discrimination/dispute between North & South Ming army/officers. However many of the Northerners would have at least some knowledge of Qi's tactics due to his influence at the Ji Garrison.

      Political atmosphere after the recapture of Pyongyang was to sue for peace with the Japanese. Note that corruption and/or incompetence are not to blame (for the most part), instead this was due to the reality that Ming supply line had already strechted to its limit, plus Ming army was still outnumbered. Thus, Southern officers (such as Wu Wei Zhong) that insisted on continue the fight were seen as overly hardline.

      As for Luo Sang Zhi, yes he (and several others) did helped in the retraining of Korean force during interbellum (which resulted in the Samsugun army). He actually suggested the idea to Ryu Seong-ryong himself.

      The predecessor of Muyedobotongji -- Muyejebo, is basically a recompilation of the training manuals parts of Qi Jiguang's books. Koreans also wrote commentaries on Qi Ji Guang's work, which contain many valuable insights and clarifications that are lost in translation in the Chinese version.

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  4. Very good info and graphs!

    I think the mandarin duck formation began as a patrol and detachment formation, then it seems Qi made it the standard pike formation with a twist for open field battle when he was stationing in the North.

    I believe the gaps were there to allow the matchlock gunners to retreat into the formation and support the main troops with long swords. They could have been used as funnels to breakup enemy's mass and let them be flanked from both sides, then meet the long swords head on. Just my guess.

    Also, did he ditch the javelins for the rattan shield men up North? Didn't see it mention in 《練兵雜記》.

    I am also under the impression that the hollow square above was not a battle formation but a standard camping arrangement of a modern day regiment size infantry group.

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    1. Qi Jiguang actually already had a fairly large open battle formation during his anti-wokou campaign. The pictures are based on his early formation rather than the late version.

      Your guess is correct in the late Mandarin Duck Formation, although it is kind of complicated there, since Mandarin Duck troops usually break up and join the shooting. I will touch upon this tactic in my future blog post.

      Yes, he ditched the javelins. Explicitly said so in 練兵實紀.

      Napoleonic and Colonial period troops did use the square as battle formation, especially against cavalry charge or against natives that did not have enough firepower to outshoot them - just like the Chinese.

      Against an army with equal firepower, a line formation could shoot the square into smithereens.

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