6409山炮和冲锋枪士兵防守，敌军爆破筒士兵和GrW-34 迫击炮士兵冲锋 Mountain cannon and su

6409山炮和冲锋枪士兵防守，敌军爆破筒士兵和GrW-34 迫击炮士兵冲锋 Mountain cannon and submachine gun soldiers defend, while enemy demolition and GrW-34 mortar soldiers charge.