Survive wave after wave of assault forces in the sky. Fight against city-destroying warplanes as you strategically protect your base from enemy attacks. Take control of the powerful and modern weaponry in this extreme battle in the sky. Your mission is to take charge of the powerful anti-aircraft gun and combat air strikes to destroy your enemies in an intense and bloody battle in the sky. Take charge and attack the enemy fighter planes. Modern enemy fighter planes are attacking your country's borders and cities.
