The developed portion of Fort Carson is located near the City of Colorado Springs in El Paso County.

[5] Fort Carson is the home of the 4th Infantry Division, the 10th Special Forces Group, the 4th Security Force Assistance Brigade (SFAB), the 440th Civil Affairs Battalion (USAR), the 71st Ordnance Group (EOD), the 4th Engineer Battalion, the 759th Military Police Battalion, the 10th Combat Support Hospital, the 43rd Sustainment Brigade, the Army Field Support Battalion-Fort Carson, the 423rd Transportation Company (USAR) and the 13th Air Support Operations Squadron of the United States Air Force.

The mules were used by Field Artillery (Pack) battalions to carry equipment, weapons, and supplies over mountainous terrain.

Camp Hale, located near Leadville, Colorado, was where the Army conducted cold weather and mountain warfare training.

Butts Army Air Field at the fort was constructed between 1963 and 1966 with a 4,573-foot (1,394 m) runway for light fixed-wing aircraft (cf.

Additionally, units participate in joint exercises around the world, including Central and South Africa, Europe, and Southwest Asia.

Construction in 2007 and 2008 preceded the return of the 4th Infantry Division (4ID) from Fort Hood after their 2008 Operation Iraqi Freedom deployment (~5,000 additional soldiers).

On February 14, 2007, the U.S. Army announced it was moving forward with a plan to expand the Piñon Canyon Maneuver Site in southeastern Colorado.

[11] If expanded, Piñon Canyon would be the Army's largest single training area in the nation, tripling the size of the current site by adding 418,000 acres (1,690 km2) of private ranch land.

The Army's position is that expansion is essential for preparing soldiers for battle in evergrowing theaters such as Afghanistan and the Middle East.

The Colorado Springs post office (Zip Codes 80902 and 80913) serves Fort Carson postal addresses.