Ellsworth Air Force Base is home to the 28th Bomb Wing of the Air Combat Command operating the B-1B Lancer. As home to the B-1B, the 28th Bomb Wing provides operational support in areas such as security forces, personnel and administration, civil engineering, communications, supply, transportation, chaplain, recreation and food services. The base controls all air space within 40 miles around it, including all landings at nearby Rapid City Regional Airport, Rapid City, South Dakota.