Columbia subject headings:
Aeronautics, Military--Australia--Congresses.
Air defenses--Australia--Congresses.
Air power--Congresses.
Australia--Military policy--Congresses.
Harvard subject headings:
Aeronautics, Military--Australia--Congresses.
Air defenses--Australia--Congresses.
Air power--Australia--Congresses.
Air power--Congresses.
Australia--Air defenses, Military--Congresses.
Australia--Military policy--Congresses.
Princeton subject headings: