Only some romantic flirtations.

Army academy is a major plotline of the series. Battlefield practices include tanks and gunshots.

A couple of battles towards the end. A soldier is shot and wounded. He is found unconscious by the river.

Several arguments leading to brawls, not much long-lasting.

Soldiers explode a gate to infiltrate a taliban base.

Only a few characters shown mostly smoking cigarettes, and hukkah in rural areas. Drinking in a couple of scenes, blurred.

Battle scenes can be pretty intense which include numerous gunshots and firing tanks.