Aviation and Command

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Across
  1. 4. Formulated laws of motion
  2. 5. Old Glory
  3. 8. Early inventors used to make wings
  4. 9. Spying from the sky
  5. 12. Heart of the hot air balloon
  6. 13. Holds the air of the balloon
  7. 15. Lowers the hot air balloon
  8. 16. Leonardo da Vinci explored
  9. 17. Another name for a dirigible
  10. 19. Unverified story passed down
  11. 20. Aircraft with no engine
Down
  1. 1. Political Party
  2. 2. Cigar shaped Air craft
  3. 3. US National Anthem
  4. 6. The Wright Flyer
  5. 7. Movement from one location to another
  6. 10. Flew towards the sun
  7. 11. Explains what the movement will be
  8. 14. Chinese Invention
  9. 18. Supporting structure from front to back