Yu Chi Chan (Guerrilla Warfare)
established a framework for guerrilla operations. Around these small cores, many detachments have been organized and the area of guerrilla activity greatly expanded. In areas in which there is a possibility of cutting the enemy's lines of supply, this system should be used. Severing enemy supply routes destroys his life line; this is one feature that cannot be neglected. If, at the time the regular forces withdraw from a certain area, some units are left behind, these should conduct guerrilla operations in the enemy's rear. As an example of this, we have the guerrilla bands now continuing their independent operations in the Shanghai-Woosung area in spite of the withdrawal of regular forces.
The fourth type of organization is the result of a merger between small regular detachments and local guerrilla units. The regular forces may dispatch a squad, a platoon, or a company, which is placed at the disposal of the local guerrilla commander. If a small group experienced in military and political affairs is sent, it becomes the core of the local guerrilla unit. These several methods are all excellent, and if properly applied, the intensity of guerrilla warfare can be extended. In the Wu Tai Shan area, each of these methods has been used.
The fifth type mentioned above is formed from the local militia, from police and home guards. In every North China province, there are now many of these groups, and they should be formed in every locality. The government has issued a mandate to the effect that the people are not to depart from war areas. The officer in command of the county, the commander of the peace-preservation unit, the chief of police are all required to obey this mandate. They
