Aiming at the semantic vice of UML in military conceptual modeling, put forward to extend the basic meaning of UML to military area, established a semantic integrated UML meta model for military conceptual modeling. Introduced the conceptual model of air-volley, and enlarged UML concretely, illustrated the common process of military conceptual modeling, and finally according to the extended syntax regulation, based the military conceptual model of air-volley. The method can avoid the semantic confusion in describing military conceptual model, also can be used for other maneuvers’ conceptual modeling.