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