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Across
  1. 3. Coast Guard unit
  2. 5. Training NCOs
  3. 6. Heavy weapon crew
  4. 9. Supply officers
  5. 11. Ground officer
  6. 15. Building regiment
  7. 18. Amphibious troops
  8. 19. Mounted regiment
  9. 20. Aircrew regiment
Down
  1. 1. Heavy weapon regiment
  2. 2. Submarine regiment
  3. 4. Supply regiment
  4. 7. Special ops regiment
  5. 8. Ground regiment
  6. 10. Armed police unit
  7. 12. Communication regiment
  8. 13. Scouting regiment
  9. 14. Medical regiment
  10. 16. Naval division
  11. 17. Air unit