Some military units have a zone of control that influences the eight squares surrounding the unit. This represents the unit's ability to project its combat power into surrounding areas. Such units attack enemies that enter the zone of control without initiating a full battle. The following military units have a zone of control: * Aegis Cruisers * Armies * Cavalry * German Panzers * Mechanized Infantry * Modern Armor * Mongol Keshik * Ottoman Sipahi * Modern Paratroops * Radar Artillery * Russian Cossacks * Spanish Conquistador * Tanks