Columbia subject headings:
Japan--Defenses.
Japan--Foreign relations.
Japan--Strategic aspects.
Strategy.
World politics--20th century.
World politics--21st century.
Harvard subject headings:
Japan--Defenses.
Japan--Foreign relations
Japan--Strategic aspects.
Strategy
World politics--21st century
Princeton subject headings:
Japan--Defenses.
Japan--Foreign relations.
Japan--Strategic aspects.
Strategy.
World politics--20th century.
World politics--21st century.