5-9. Commanders and staffs use the Army planning methodologies (Army design methodology, the military decision-making process, and troop leading procedures) to analyze multiple courses of action to determine the most suitable one. Once the commander approves a course of action, the remainder of the military decision-making process determines the specific tasks assigned to subordinate units that will accomplish the mission in the area of operations and ultimately achieve the identified end state. These specific tactical tasks come from the set of tasks of decisive action, the tactical tasks of offense, defense, and stability or defense support of civil authorities, and enabling tasks, and the subordinate tasks thereof. The end result of this process should be an operation order. The operation order will establish the relationship between mission, commander’s intent, and concept of operations. The operation order guides commanders’ arrangement of warfighting functions to mass the effects of combat power at the chosen place and time to overwhelm an enemy or dominate the situation.