Group 1 - The article highlights the military parade showcasing various advanced weaponry and defense capabilities [6][7][9] - The presence of hypersonic missiles and nuclear missile units indicates a focus on modern warfare technologies [6][11] - The inclusion of unmanned combat units reflects the growing trend towards automation in military operations [9][17] Group 2 - The air defense and naval capabilities are emphasized through the display of carrier-based defense systems and aerial refueling units [8][21] - Ground assault units are also featured, showcasing a comprehensive approach to land, air, and sea defense [19][21] - The overall presentation aims to demonstrate national defense strength and technological advancements in military hardware [6][19]