Columbia subject headings:
Japan--Foreign relations--United States.
Korea--Foreign relations--United States.
National security--East Asia.
United States--Foreign relations--Japan.
United States--Foreign relations--Korea.
Harvard subject headings:
Japan--Foreign relations--United States.
Korea--Foreign relations--United States.
National security--East Asia
United States--Foreign relations--Japan.
United States--Foreign relations--Korea.
Princeton subject headings:
Japan--Foreign relations--United States.
Korea--Foreign relations--United States.
National security--East Asia.
United States--Foreign relations--Japan.
United States--Foreign relations--Korea.