Fort Carson is a United States Army installation located near Colorado Springs, primarily in El Paso County, Colorado. It is 40 miles (64 km) north of Pueblo, Colorado in Pueblo County. The 137,000 acre (570 km2) installation extends south into Pueblo and Fremont counties. The portion of the installation located within El Paso County forms a census-designated place (CDP), which had a population of 10,566 at the 2000 census. Fort Carson is the home of the 4th Infantry Division, the 10th Special Forces Group, the 71st Ordnance Group (EOD), the 4th Engineer Battalion, the 759th Military Police Battalion, the 10th Combat Support Hospital, the 43rd Sustainment Brigade, and the 13th Air Support Operations Squadron of the United States Air Force. The post also hosts units of the Army Reserve, Navy Reserve and the Colorado Army National Guard.