In the event of serious accidents, floods, storms, as well as criminal or terrorist actions, being adequately prepared and able to respond appropriately is the goal of authorities and organizations with security responsibilities. A successful staff operation is a key prerequisite for this. The pocketbook on staff operations provides all involved leadership units with explanations of the essential areas of responsibility and focal points of staff work in various subject areas, interdisciplinary information on interfaces from the fields of fire service, emergency medical services, military, technical relief organization, and police, as well as practical aids and topic-related checklists for staff activities. The authors demonstrate how to take on a stabilizing role in the overall operational situation and effectively bring the danger under control.