Columbia subject headings:
Arms transfers--Colombia.
Black Hawk (Military transport helicopter)
Colombia--Military relations--United States.
Drug control--United States.
Drug traffic--Colombia.
United States--Military relations--Colombia.
Harvard subject headings:
Arms transfers--Colombia.
Black Hawk (Military transport helicopter)
Colombia--Military relations--United States.
Drug control--United States
Drug traffic--Colombia.
United States--Military relations--Colombia.
Princeton subject headings:
Arms transfers--Colombia.
Black Hawk (Military transport helicopter)
Colombia--Military relations--United Stayes.
Drug control--United States.
Drug traffic--Colombia.
United States--Military relations--Colombia.