Columbia subject headings:
Defense industries--European Union countries.
Defense industries--Law and legislation--European Union countries.
Weapons industry--European Union countries.
Weapons industry--Law and legislation--European Union countries.
Harvard subject headings:
Defense industries--European Union countries--International cooperation.
Defense industries--European Union countries.
European Union countries--Defenses.
National security--Economic aspects--European Union countries.
Weapons industry--European Union countries.
Princeton subject headings: