Treatise on Military Preparedness, Volume 90

Dashuiyu Established in the 31st year of the Jiajing era [1552]. Sixteen officers were appointed, each being issued three sets of command flags and tablets qipai These flags and tablets were symbols of delegated imperial authority, allowing generals to enforce discipline and execute orders in the field..

Three Guerrilla Generals Commanding the Southern Soldiers

The "Southern Soldiers" nanbing were specialized infantry units, often recruited from China’s coastal provinces. They were highly regarded for their discipline and proficiency with firearms and the "mandarin duck formation" popularized by General Qi Jiguang.

Middle Route Stationed at Masong.

Eastern Route Stationed at Jianchang.

Western Route Stationed at Shixia; all these positions were established in the 6th year of the Longqing era [1572].

Seven Lead Guerrilla Generals

Commanding the Spring Shift of Government Troops from Tianjin

The "Spring Shift" chunban refers to a seasonal rotation system where regional troops were sent to the northern frontier for temporary duty to bolster defenses during periods of high vulnerability.

Spring Shift of Government Troops from Ningshan

Spring Shift of Government Troops from Tongjin Upon returning from their border defense duties, they are stationed at Tongzhou.