The 201st RSG’s mission is to provide trained and ready troops to support overseas contingency operations and to man, train and equip a homeland response force (HRF) to provide assistance to civil authorities in saving lives and mitigating human suffering in response to chemical, biological, radiological and nuclear incidents. To achieve its mission, the 201st is comprised of the 170th Military Police Battalion in Decatur while the brigade headquarters, 4th Civil Support Team, 265th Chemical Battalion, and the 870th Engineer Detachment are stationed in Marietta. The 201st is one of ten HRFs in the National Guard. Each HRF is the designated response element for a Federal Emergency Management Agency Region. As the HRF for Region IV, the 201st capabilities are designed to respond to emergencies in the eight states From Florida to North Carolina and west to Mississippi.