WW2 Crossword

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Across
  1. 4. A section of a country responsible for their defense or attack
  2. 6. Drive aerial machines
  3. 8. Is part of the air force of USA that fights using their aerial power
  4. 9. A code used in real time by the USA using their native language
  5. 10. Being sealed in a defined place
Down
  1. 1. An way to hide messages
  2. 2. The second war involving a lot of countries
  3. 3. Person born in USA or Canada which parents were from Japan
  4. 5. opposite of male
  5. 7. It was used to separate races