history

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Across
  1. 2. Earth's natural satellite
  2. 3. First satellite in space
  3. 4. American space agency
  4. 6. Conflict between U.s. and USSR
  5. 7. Vehicle used for space travel
  6. 9. Person trained for space travel
Down
  1. 1. America's Cold War rival
  2. 3. Competition to explore space
  3. 5. Program that landed on the moon
  4. 8. President who supported moon mission