Columbia subject headings:
United States--Armed Forces--Officers--Legal status, laws, etc.
United States--Armed Forces--Personnel management--Law and legislation.
United States--Armed Forces--Reserves.
Harvard subject headings:
United States--Armed Forces--Officers--Legal status, laws, etc.
United States--Armed Forces--Personnel management--Law and legislation.
United States--Armed Forces--Reserves.
Princeton subject headings:
United States--Armed Forces--Officers--Legal status, laws, etc.
United States--Armed Forces--Personnel management--Law and legislation.
United States--Armed Forces--Reserves.