WW2 crossword puzzle

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Across
  1. 3. what do you call seperation between groups?
  2. 4. what is the opposite of a man?
  3. 5. Someone who works an airplane?
  4. 6. A type of soldier who deal with aircrafts?
  5. 8. A born & raised American person with Japanese parents is called?
  6. 9. A burial home for corpses?
Down
  1. 1. Someone who writes or cracks encryption?
  2. 2. A native identity?
  3. 3. Someone who doesn't need help from outside source?
  4. 7. A service formed by a country to keep it's peoples safe?