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Subject
- Cold War6
- Soviet Union--Foreign relations--United States[remove]6
- United States--Foreign relations--Soviet Union6
- Astronautics--International cooperation2
- Cuban Missile Crisis, 19621
- Diplomatic negotiations in international disputes1
- Laos1
- Nuclear weapons--Soviet Union1
- Nuclear weapons--United States1
- United States Congress1
- United States--Politics and government--1961-19631
- United States. National Aeronautics and Space Administration1