The section responsible for all tactical incident operations. In Incident Command System ICS, it normally includes subordinate branches, divisions, and/or groups. (National Incident Management System NIMS)
The Institute for Crisis, Disaster, and Risk Management (ICDRM) at the George Washington University (GWU), Emergency Management Glossary of Terms, Washington, D.C., USA 2007. http://www.gwu.edu/~icdrm/publications/PDF/GLOSSAR Y%2002-19-2007.pdf, (Emr Mgt/ Crisis, Dzstr and Rsk - Amer) {478}