19a

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Across
  1. 2. Newest carrier
  2. 3. Attack submarine
  3. 6. Chinese tank
  4. 7. British tank
  5. 8. Soviet IFV
  6. 9. Underwater weapon
  7. 12. Combat system
  8. 14. Attack submarine
  9. 18. Soviet tank
  10. 19. Stealth destroyer
  11. 20. Battleship class
Down
  1. 1. Antiship missile
  2. 4. Soviet APC
  3. 5. German tank
  4. 10. Close-in weapon system
  5. 11. Ballistic missile sub
  6. 13. Combat ship
  7. 15. US main battle tank
  8. 16. Israeli tank
  9. 17. Aircraft carrier