Columbia subject headings:
Military assistance, American--Costs.
Peacekeeping forces--United States.
United Nations--Peacekeeping forces.
United States. Armed Forces--Operations other than war--Costs.
Harvard subject headings:
Military assistance, American--Costs.
Peacekeeping forces--United States.
United Nations--Peacekeeping forces.
United States--Armed Forces--Operations other than war--Costs.
Princeton subject headings:
Military assistance, American--Costs.
Peacekeeping forces--United States.
United Nations--Peacekeeping forces.
United States. Armed Forces--Operations other than war--Costs.