Columbia subject headings:
Coastal surveillance--United States.
Drug traffic--United States--Prevention.
Harbors--United States--Safety measures.
National security--Law and legislation--United States.
United States. Coast Guard--Appropriations and expenditures.
Harvard subject headings:
Coastal surveillance--United States.
Drug traffic--United States--Prevention.
Harbors--United States--Safety measures.
National security--Law and legislation--United States
United States. Coast Guard--Appropriations and expenditures.
Princeton subject headings:
Coastal surveillance--United States.
Drug traffic--United States--Prevention.
Harbors--United States--Safety measures.
National security--Law and legislation--United States.
United States. Coast Guard--Appropriations and expenditures.