War Technology

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Across
  1. 3. New ways to treat wounds, burns, and disease
  2. 6. Used by the troops to photograph the field
  3. 7. A gun used to fire many rounds
  4. 9. To warn the soldiers of a coming attack
  5. 10. A way of upgrading weaponry and military technology
  6. 12. To destroy ships from under water
  7. 13. A kind of weapon used to have other suffering and cause battlefield problems
  8. 14. What were used to attack the enemy
  9. 16. Used to fly over trenches
Down
  1. 1. The new military ___
  2. 2. Used to harm others in the opposing trench
  3. 4. Activities involved with war
  4. 5. To kill enemies underground or behind cover
  5. 8. A long ditch where the soldiers hide
  6. 11. Being able to move across a battle field
  7. 15. To fire large explosive shells on the enemy