Columbia subject headings:
Harvard subject headings:
Japan--Military relations--United States.
Military bases, American--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History.
United States--Military relations--Japan.
Princeton subject headings:
Japan--Military relations--United States.
Military bases, American--Japan--Okinawa-ken.
Okinawa-ken (Japan)--History.
United States--Military relations--Japan.