Treatise on Armament Technology

Governor for the Pacification and Governance of Displaced People in Jingzhou and Surrounding Areas:
Stationed at Jingzhou Prefecture A historic city on the Yangtze River, essential for controlling the transit between the central plains and the western mountains.. This official is tasked with regulating the military defense of Shizhou, Guizhou, and nearby territories. Their jurisdiction includes all departments and counties under Jingzhou Prefecture, as well as the Jingzhou Guard, the Right Guard, the Qutang Guard, and the Thousand-household OfficesKnown as Qianhusuo, these were mid-level military garrisons within the Ming dynasty's "Wei-Suo" system. of Zhijiang and Huizhou. They also oversee the Native ChieftainshipsThe Tusi system, where local ethnic minority leaders were granted hereditary imperial titles to govern their territories—in this case, the Tujia and Miao regions of Shizhou and Yongshun. of Shizhou, Yongshun, and others. The official's duties involve patrolling the departments and counties across Yiling, Guizhou, and Badong. This office remains subject to the strategic oversight of the Governors of Sichuan and Guizhou, and the Regional Inspector of Sichuan.

Surveillance Intendant for the Hubei Circuit: 1 official.
Stationed at Changde Prefecture. This official manages the military defenses for the two prefectures of Chenzhou and Changde, as well as the department of Jingzhou original: "靖州" (Jìngzhōu), located in modern-day western Hunan, distinct from the Jingzhou Prefecture mentioned above.. Additionally, this official is responsible for Water Conservancy Critical for managing the flood-prone plains surrounding Lake Dongting and its tributaries..

Military Defense Intendant for Yuanzhou: 1 official.
Stationed at Yuanzhou. This official regulates the military defenses of Chenzhou, Changde, Liping, and Jingzhou. They also exercise concurrent authority over Liping Prefecture This shows the cross-border nature of military circuits, as Liping was often administratively tied to Guizhou but strategically linked to the Hunan defense lines..