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

The Russian army occupied the area.

He is being trained as a war dog.

He was working as a medic on the battlefield.

He once participated in a war as an infantryman.

Ryohei is my best friend.

She is a powerful warrior priestess, using sacred power to defeat enemies.

The scout was sent to the front line to probe the enemy's movements.

The police are cornering the deserter.

He joined the army as a new recruit.