3a

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Across
  1. 5. Licensed pilot
  2. 7. In charge of the deck
  3. 9. Sharpshooter
  4. 12. Grenade specialist
  5. 13. Radar technician
  6. 14. Infantry soldier
  7. 15. Scout and sniper
  8. 17. Steers the ship
  9. 20. Guard post
Down
  1. 1. Security role
  2. 2. Artillery rank
  3. 3. Skilled mechanic
  4. 4. Keeps guard
  5. 6. Directs the course
  6. 8. Air force lieutenant
  7. 10. Submarine technician
  8. 11. Air cargo manager
  9. 16. Assists the pilot
  10. 18. Communications expert
  11. 19. Ammunition technician