Columbia subject headings:
Anti-satellite weapons.
Ballistic missile defenses.
Soviet Union--Military policy.
Space weapons.
United States--Military policy.
Harvard subject headings:
Anti-satellite weapons.
Ballistic missile defenses.
Soviet Union--Military policy.
Space weapons.
Strategic Defense Initiative.
United States--Military policy.
Princeton subject headings:
Anti-satellite weapons.
Ballistic missile defenses.
Soviet Union--Military policy.
Space weapons.
United States--Military policy.