Columbia subject headings:
United States--Armed Forces--Appropriations and expenditures.
United States. Department of Defense--Appropriations and expenditures.
United States. Department of Defense--Procurement.
Harvard subject headings:
United States--Armed Forces--Appropriations and expenditures.
United States. Department of Defens--Procurement
United States. Department of Defense--Appropriations and expenditures.
Princeton subject headings: