Columbia subject headings:
Europe--Defenses--Congresses.
North Atlantic Treaty Organization--Armed Forces--Congresses.
North Atlantic Treaty Organization--Armed Forces--Weapons systems--Congresses.
Harvard subject headings:
Defense industries--Europe
Europe--Defenses--Congresses.
Europe--Defenses.
Europe--Military policy.
European cooperation.
Military weapons--Europe.
North Atlantic Treaty Organization--Armed Forces--Congresses.
North Atlantic Treaty Organization--Armed Forces--Weapons systems--Congresses.
Security, International.
Princeton subject headings: