This decoy army strategy was used to confuse the enemy.

He belongs to the defense force.

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

He is being trained as a war dog.

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

The Russian army occupied the area.

He fought as a soldier in the Union Army.

He is highly respected as a military commander.

The Wei army conquered the region.

He is studying the ancient corps.