Battle Of Atlantic WW2

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Across
  1. 4. a time of gun used in heavy warfare
  2. 7. furious war weapon
  3. 8. an airplane, helicopter, or other machine capable of flight.
  4. 10. national uproar and fighting
Down
  1. 1. tradesome, used in warfare
  2. 2. ocean used for submarines in warfare
  3. 3. type of submarine commonly used in warfare
  4. 5. Large-caliber guns used in warfare
  5. 6. bomb weapons
  6. 7. men chosen to fight in warfare
  7. 9. war machines