Columbia subject headings:
Military weapons--United States.
United States--Armed Forces--Procurement.
War--Economic aspects--United States.
Harvard subject headings:
United States--Armed Forces--Weapons systems--Cost control.
Weapons systems--Cost control.
Princeton subject headings:
United States--Armed Forces--Procurement.
United States--Armed Forces--Weapons systems--Costs.
United States. Department of Defense--Appropriations and expenditures.