If you notice, he is using the hull mounted machine gun, not in the turret. It moves manually, no power needed. But it does have a limited arc of fire, all the bad guys need to do is come at the tank from the sides or back.
If you notice, he is using the hull mounted machine gun, not in the turret. It moves manually, no power needed. But it does have a limited arc of fire, all the bad guys need to do is come at the tank from the sides or back.