The 120th Airlift Wing (120 AW) is a unit of the Montana Air National Guard, stationed at Great Falls Air National Guard Base at Great Falls International Airport, Montana. If activated to federal service, the Wing is gained by the United States Air Force Air Mobility Command. Mission The 120th Airlift Wing, as part of the Montana Air National Guard, serves a dual mission: They are both full-time components of the Air Expeditionary Forces mission which participates in the defense of the United States. They are also on call for use by the state Governor to use in case of natural disasters to augment state declared emergencies. Units The 120th Airlift Wing consists of the following units: 120th Operations Group 186th Airlift Squadron 120th Mission Support Group 120th Maintenance Group 120th Medical Group History On 1 July 1955, the Montana Air National Guard 186th Fighter-Interceptor Squadron was authorized to expand to a group level, and the 120th Fighter Group (Air Defense) was established by the National Guard Bureau. The 186th FIS becoming the group's flying squadron. Other squadrons assigned into the group were the 120th Headquarters, 120th Material Squadron (Maintenance), 120th Combat Support Squadron, and the 120th USAF Dispensary. The group was gained by the 29th Air Division, Air Defense Command with a mission for the air defense of the northern tier of the United States. The Group Commander, Col. Rodger D. Young was promoted to Brig. General in 1966 and became Chief of Staff of Air for the 120th until his retirement in 1973. In 1958, the 120th implemented the ADC Runway Alert Program, in which interceptors of the 186th FIS were committed to a five-minute runway alert, a task that would last for 38 years. The arrival of the F-102 Delta Dagger in 1966 ushered in the supersonic age. In 1968 Air Defense Command was re-designated as Aerospace Defense Command (ADCOM). In 1972, the unit was redesignated the 120th Fighter-Interceptor Group and assigned the F-106 Delta Dart, the first Air National Guard unit to receive this aircraft. With the F-106, the squadron competed in and won its first William Tell, a live-fire missile competition held at Tyndall AFB, Florida. Performed air defense duties along the northern tier of the United States until 1978 when ADCOM was merged into Tactical Air Command. Continued air defense mission for ADTAC component of TAC with the F-106s, transferring to First Air Force