Columbia subject headings:
Central America--Military relations--United States.
Panama--Military relations--United States.
United States--Military relations--Central America.
United States--Military relations--Panama.
United States. Army. Southern Command.
Harvard subject headings:
Central America--Military relations--United States.
Panama--Military relations--United States.
United States--Military relations--Central America.
United States--Military relations--Panama.
United States. Army. Southern Command.
Princeton subject headings:
National security--Panama.