Arma 3′s ‘Alpha anniversary’ is today and to celebrate, Bohemia Interactive has released the M2A4 Slammer, an Urban Purpose tank variant. The tank will be deployed via an automatic update on Steam. Compared to the base version, the tank features heavier armor with reinforced rear and a remote-controlled turret. Everyone likes a reinforced rear ya know. Hit up the game on steam and look over the changelog for update 1.12 through here.