war in the air

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Across
  1. 4. one of the most superior jets
  2. 5. what year did ww2 start?
  3. 7. when japanese ran into ships
  4. 8. the most dangerous japanese fighters in the air
Down
  1. 1. the bomb that dropped o hiroshima
  2. 2. the main us plane
  3. 3. best bomber plane
  4. 6. bomb dropped on nagasaki