If two countries go to war, how can the opposing army know which army is theirs without accidently shooting their own teammates?

Question

Does every army in every country have a different uniform? Or do they all wear camouflaged suits or something.

In: 729

Answer 1

In general, different armies have different uniforms exactly for that reason! Even if they are using camouflage, they tend to pick different colors and styles, because it is important that your soldiers are able to spot their allies and not shoot them.