The nation's primary maintenance and logistics center for ICBMs such as the Minuteman and Peacekeeper missiles, as well as other aircraft and munitions. The facility also specializes in landing gear repairs, and photographic and reconnaissance equipment maintenance and installation. Has one of the busiest single runways in the Air Force with over 85,000 aircraft operations annually. Coordinates training missions on the 19,000 square mile Utah Test and Training Range. Over 20,000 military and civilian employees work at the 6,698 acre base.