Across
- 4. First artificial satellite launched by the Soviets
- 5. Where missiles were placed to destroy the US coast
- 6. Secret US program to develop atomic bombs during WWII
- 7. Allied invasion of Normandy in 1944
- 9. A US organization tasked with stopping the spread of communism
- 10. The first spacecraft to land on the moon
Down
- 1. Metaphorical division between Eastern and Western Europe
- 2. ___ pact
- 3. Doctrine that kept superpowers from using nuclear weapons
- 8. Physical barrier that divided a major German city until 1989