Columbia subject headings:
United States--Armed Forces--Operational readiness.
United States--Armed Forces--Reserves--Organization.
United States--National Guard--Organization.
Harvard subject headings:
United States--Armed Forces--Reserves.
United States--Military policy.
United States--National Guard.
United States. Army--Reserves.
United States. National Guard Bureau
Princeton subject headings:
United States--Armed Forces--Reserves.
United States--Military policy.
United States--National Guard.
United States. Army--Reserves.
United States. National Guard Bureau