Columbia subject headings:
Military art and science--United States.
National security--United States.
United States--Defenses.
United States--Foreign relations.
Harvard subject headings:
Military art and science--United States.
National security--United States
United States--Defenses.
United States--Foreign relations.
Princeton subject headings:
Military art and science--United States.
National security--United States.
United States--Defenses.
United States--Foreign relations.