Anti-air systems have never been important then 2027. From that year onward. Ever since the Moscow Dogfight, Which Russia, China, and the U.S aircraft were hacked by the Russian Resistance Force to attack each other in order to distract Putin in order to assassinate him. Wars grew more involved with aircraft. Many countries are dependent on anti-air systems because the enemy has advanced aircraft. Some of the major suppliers of anti-air systems are the U.S, China, Russia, and Fascist India.