Camp Shelby is a military post whose North Gate begins at the southern boundary of Hattiesburg, Mississippi, on United States Highway 49. It is the largest state-owned training site in the nation. During wartime, the camp's mission is to serve as a major independent mobilization station of the United States Army Forces Command (FORSCOM). Camp Shelby Joint Forces Training Center is the largest reserve component training site, covering 136,000 acres (550 km²), allowing up to battalion-level maneuver training, Gunnery Table 8-12, field artillery firing points and a wide range of support facilities. This is the normal Annual Training location for National Guard and Reserve units located in Mississippi, Alabama, and Tennessee. However, units from across the country use its assets to support a variety of missions.