Across
- 3. - First privately sponsored satellite
- 4. - Soviet unmanned Venus exploration program
- 5. - US lunar probes program
- 7. - First artificial satellite
- 10. - First animal in orbit
- 11. - US moon landing program
- 14. - US space program for two astronauts
Down
- 1. - First human in space
- 2. - First US space station
- 4. - Soviet spacecraft program
- 6. - US unmanned spacecraft program
- 8. - US rocket program
- 9. - Soviet manned spacecraft program
- 12. - Soviet unmanned moon exploration program
- 13. - Soviet/Russian space station