Mi Zhan (秘戰) — the original Yuan Yang Zhen (鴛鴦陣)

Rendition of a five-man team forming Tang Shun Zhi's Mandarin Duck Formation. Pikemen were kept at some distance (about 7 to 10 feet) from the shieldmen and Lang Xian until the battle was joined. Image is cropped and doctored from 'Wu Bian Qian Ji (《武編前集》)' and 'Ji Xiao Xin Shu (《紀效新書》)'.
An early version of the famous Mandarin Duck Formation was recorded in Wu Bian (《武編》), a military treatise redacted by Tang Shun Zhi (唐順之), a contemporary and mentor of Qi Ji Guang (戚繼光). This formation, also known as Mi Zhan (秘戰, lit. 'Secret battle'), heavily influenced later formations developed by Qi Ji Guang.

Basic Tactic
The original Yuan Yang Zhen differed from later derivations on several aspects. It consisted of only one five-man team (half the size of later version), and did not employ rattan shieldTang Pa (钂鈀) or quarterstaff. The five-man team consisted of one shieldman, wielding nothing but an Ai Pai (挨牌), who was also the team leader. The team leader stood at the front rank, with his shield angled slightly to the left. He was followed by a soldier wielding Lang Xian (狼筅), with his weapon pointed slightly to the right. The rest of the team consisted of three pikemen armed with a long spear. Additionally, the team could be supported by more archers, handgonners and arquebusiers.

On flat terrain, large number of Mi Zhan teams could be deployed together into one big block (or several big blocks). Shieldmen formed into shield wall to protect Lang Xian and pikemen against attack and missile fire, while Lang Xian functioned as mobile wire obstacle to disrupt enemy attack and prevent enemy troops from getting too close. This formation effectively deprived its enemy of all means of retaliation, be it spears, pikes, polearms, short weapons or missile weapons. However, it was vulnerable to gunpowder weaponry that could punch through Ai Pai easily.

Comparison with later versions
Compared to later versions, this prototype formation was a lot more simple, and geared towards large scale, pitched battle. It lacked the flexibility and offensive capabilities of later Mandarin Duck Formations, but enjoyed a lot more staying power (later Mandarin Duck Formation used alternating rattan shield and Ai Pai, so it couldn't form shield wall as effectively).


Other blog posts in my Mandarin Duck Formation series:
Mi Zhan — the original Yuan Yang Zhen
Qi Ji Guang's Yuan Yang Zhen — part 1
Qi Ji Guang's Yuan Yang Zhen — part 2
Qi Ji Guang's Yuan Yang Zhen — part 3
Qi Ji Guang's Yuan Yang Zhen — part 4
Qi Ji Guang's Yuan Yang Zhen — part 5
Qi Ji Guang's Yuan Yang Zhen — part 6
Xu Guang Qi's Yuan Yang Wu

2 comments:

  1. Mandarin ducks had missile troops right? At least Qi Ji Guang's.

    ReplyDelete
  2. @Jayson

    Yes they do. Most Qi Ji Guang's Mandarin Duck Formation troops also double as missile troops (archer/rocket), although Qi Ji Guang had separate, dedicated missile unit.

    Tang Shun Zhi's version also mentioned missile troops, although they also form separate unit.

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