Present security in Iraq required from politicians and martial to hurry for understanding modern concept of security and defense, and its relation with politics. Concept of national security mean's build military power of state to ready for defense about its vital interests. in order to facing internal and external threats should be there defense planning by knowing right mechanisms it study probably threats as well as invent strategy plans . Ideal government follows successful defense police through many options such as mutual and comprehensive security, as well as deal alliances with other states.