World War 1 Weapons

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Across
  1. 3. Used to protect soldiers from mustard and chlorine gas(7)
  2. 7. Very heavy guns used to destroy enemy positions and tanks
  3. 8. American passenger ship destroyed by German submarines(9)
  4. 9. Used by submarines to target and destroy ships(9)
  5. 11. Name of the first tank "Little ________"(7)
  6. 12. This could fly and be used to spot or destroy enemy positions (5)
  7. 13. The men who did the majority of fighting in WW1
Down
  1. 1. Large vehicle soldiers could use as a shield(4)
  2. 2. A battle between two planes (8)
  3. 4. This gas was first used at Ypres in 1915 (8)
  4. 5. Rapid firing weapon that required 4-6 men to operate(11)
  5. 6. Also known as a blimp.(8)
  6. 9. Dug by both sides on the Western Front to give protection(8)
  7. 10. The main type of weapon used by soldiers of WW1(5)