Columbia subject headings:
Germany--Foreign relations--1990-
Germany--Military policy.
National security--Germany--History--21st century.
Security, International--History--21st century.
Harvard subject headings:
Germany--Foreign relations--1990-
Germany--Military policy.
National security--Germany--History--21st century.
Security, International--History--21st century.
Princeton subject headings:
Security, International--History--21st century.