Columbia subject headings:
Central America--Military relations--United States.
Low-intensity conflicts (Military science)
United States--Military relations--Central America.
Harvard subject headings:
Central America--Military relations--United States.
Low-intensity conflicts (Military science)
United States--Military relations--Central America.
Princeton subject headings:
Central America--Military relations--United States.
Low-intensity conflicts (Military science)
United States--Military relations--Central America.