04/06 Crossword: New Technology

This printable crossword puzzle on the topic of World War I has 10 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

A very popular poison gas made of carbon, sulfur, chlorine and hydrogen.
A new weapon that happens to spew fire at enemies.
The aerial warcraft that's usually made of wood and steel.
Our main American military branch,
The very thing that protects soldiers from poisonous gases.
The very food that our American soldiers consume.
The very land that both sides of a war that soldiers desperately fight for.
Underwater vehicle that can sneak attack foes with torpedos.
Any advancements with a machine or mechanism.
Military Branch that involves the ocean.