The new threats of modern warfare compel the thinking and development Hockey Puck of a credible air defense capability based on early warning systems, surface-to-air missiles, fighter aircraft and associated command and control systems.Ground-based air defence, largely neglected in the air campaigns that dominated the last years of military conflicts, where the 6 Piece Dining Room air threat was quite low, is once again examined by military analysts.The combatants involved in the 2020Nagorno-Karabakh conflict are responsible for this.