Columbia subject headings:
Ballistic missile defenses--Soviet Union.
Europe--Military policy.
Soviet Union--Military policy.
United States--Military policy.
Harvard subject headings:
Ballistic missile defenses--Soviet Union.
Europe--Military policy.
Soviet Union--Military policy.
United States--Military policy.
Princeton subject headings:
Ballistic missile defenses--Soviet Union.
Europe--Military policy.
Soviet Union--Military policy.
United States--Military policy.