Staff Organization and Operations — FM 101-5

This publication is the Army's capstone manual for staff organization and operations of major tactical and major tactical support commands at corps level and below. Field Manual (FM) 101-5 describes basic doctrine of the roles, relationships, organization, and responsibilities of staffs in the United States (US) Army. It does not cover staffs of units at echelons above corps and joint level. FM 101-5 is intended for use by staff officers in carrying out their duties and responsibilities as they assist the commander in accomplishing the mission. A commander may establish procedures and may organize the staff as necessary to conform with the mission, resources available, and level of command. However, the staff should continue to function along the direction described to maintain a common understanding among units.