sentences:  Under the "Total Force" concept, District of Columbia Air National Guard units are considered to be Air Reserve Components (ARC) of the United States Air Force (USAF).District of Columbia ANG units are trained and equipped by the Air Force and are operationally gained by a Major Command of the USAF if federalized.In addition, the District of Columbia Air National Guard forces are assigned to Air Expeditionary Forces and are subject to deployment tasking orders along with their active duty and Air Force Reserve counterparts in their assigned cycle deployment window.