He belongs to the defense force.

He fought as a soldier in the Union Army.

The Salvation Army is conducting charitable activities around the world.

This decoy army strategy was used to confuse the enemy.

In a historical context, puppet armies were often manipulated by major powers.

He is receiving training as a member of the reserve troops.

The United States armed forces have bases all over the world.

The Russian army occupied the area.

He is being trained as a war dog.

He received training in the navy and army.