Across
- 2. Large guns used to fire shells
- 5. this tactic blinded soldiers and attacked respiratory systems
- 8. flew over battlefields to pin point enemies location and were later equipped with with machine guns and bombs
- 9. are used to shelter soldiers from gun fire while crossing through barbed wire lined trenches
Down
- 1. were armed with torpedoes that could sink large ships.
- 3. fight aerial duels between aircraft
- 4. are highly responsible for changing the way wars were fought with its ability to fire about 400-500 rounds a minute.
- 6. an airplane with two sets of wings, one on top and one underneath
- 7. a fighter pilot who has shot down five enemy aircraft