Columbia subject headings:
Persian Gulf Region--Military relations--United States.
Persian Gulf Region--Strategic aspects.
United States--Military relations--Persian Gulf Region.
Harvard subject headings:
Persian Gulf Region--Military relations--United States.
Persian Gulf Region--Strategic aspects.
United States--Military relations--Persian Gulf Region.
Princeton subject headings:
Persian Gulf Region--Military relations--United States.
Persian Gulf Region--Strategic aspects.
United States--Military relations--Persian Gulf Region.