Columbia subject headings:
Arms transfers--United States.
Defense industries--United States.
Military supplies--United States.
Military weapons--United States.
United States--Armed Forces--Appropriations and expenditures.
United States. Department of Defense--Appropriations and expenditures.
Weapons industry--United States.
Harvard subject headings:
Defense industries--United States.
Military weapons--United States.
United States--Armed Forces--Appropriations and expenditures.
United States. Department of Defense--Appropriations and expenditures.
Princeton subject headings:
United States--Armed Forces--Appropriations and expenditures.
United States--Armed Forces--Combat sustainability.
United States--Armed Forces--Procurement.
United States--Armed Forces--Weapons systems.
United States. Department of Defense--Appropriations and expenditures.