Across
- 3. - Landing goal
- 6. - Circular path in space
- 8. - Gagarin, first human in space
- 11. - First manned spacecraft
- 12. - Soviet space traveler
- 14. - War context
- 15. - Extravehicular activity
- 17. - First living creature in space
- 18. - US space agency
- 20. - Rocket used in early missions
- 21. -First human in space
- 22. - Lunar landing commitment
Down
- 1. - Moon mission success
- 2. - Mercury, first US astronauts
- 3. - Soviet moon probes
- 4. - First US satellite
- 5. - First artificial satellite
- 7. - First communication satellite
- 9. - Shepard, first American in space
- 10. - Spacecraft propulsion
- 13. - Seven astronauts
- 14. - Missile Crisis backdrop
- 15. - Race competition
- 16. - Module, moon lander
- 19. - Canaveral launch site