Columbia subject headings:
Harvard subject headings:
Deterrence (Strategy)
Europe--Military policy.
Europe--Military relations--United States.
North Atlantic Treaty Organization--United States.
Nuclear warfare--Europe.
Nuclear weapons--Europe
Russia (Federation)--Military policy.
United States--Military policy.
United States--Military relations--Europe.
Princeton subject headings:
Europe--Military relations--United States.
North Atlantic Treaty Organization--United States.
Nuclear weapons--Europe.
Russia (Federation)--Military policy.
United States--Military relations--Europe.