 On 29 September 1991, as the United States reduced its nuclear alert force following the signing of the Strategic Arms Reduction Treaty, the squadron ended thirty years of alert duty with SAC.In 1992 the air force reorganized its major commands.As a result, the 905th's parent 319th Operations Group was reassigned to Air Combat Command as a bomber unit, while the 905th became an element of Air Mobility Command (AMC) and was assigned as a geographically separated unit to the 305th Operations Group, stationed at Grissom Air Force Base, Indiana.