16a

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Across
  1. 3. F/A18 jet
  2. 5. Multipurpose vehicle
  3. 7. Missile defense system
  4. 9. Utility helicopter
  5. 12. US main battle tank
  6. 13. Eurofighter jet
  7. 14. US main battle tank
  8. 17. Transport aircraft
  9. 19. Stealth fighter jet
  10. 20. Jump jet
Down
  1. 1. Heavy-lift helicopter
  2. 2. Antitank missile
  3. 4. Cruise missile
  4. 6. Armored combat vehicle
  5. 8. Heavy bomber
  6. 10. Military vehicle
  7. 11. Attack helicopter
  8. 15. Stratofortress bomber
  9. 16. Infantry fighting vehicle
  10. 18. German battle tank