YOU DONT WANT TO PLAY THIS WW2 CROSSWORD PUZZLE

12345678910111213141516171819202122
Across
  1. 4. soil
  2. 6. overlord
  3. 7. firstair
  4. 9. air&sea
  5. 11. tanks
  6. 12. planning
  7. 14. surprise
  8. 17. surrender
  9. 19. Sweethome
  10. 21. usstrong`
  11. 22. turning point
Down
  1. 1. messages
  2. 2. atomic
  3. 3. Winter
  4. 5. fatman
  5. 8. lastmajor
  6. 10. UK
  7. 13. battleship
  8. 15. 66
  9. 16. payback
  10. 18. Littleboy
  11. 20. Bloodiest