今天，不用隐身 歼-20，尽情展示

Core Viewpoint - The J-20 fighter jet has marked a significant milestone in China's aviation industry, showcasing advancements in stealth technology and operational capabilities over the past 15 years [6][12]. Group 1: Historical Milestones - The J-20 successfully completed its maiden flight on January 11, 2011, marking China's entry into the "stealth era" of aviation [6]. - The J-20 has made notable appearances, including a five-aircraft formation during the 70th anniversary of the People's Republic of China on October 1, 2019 [8]. - On July 1, 2021, 15 J-20 jets flew over Tiananmen Square during the 100th anniversary of the Communist Party of China [9]. Group 2: Operational Developments - The J-20 has transitioned from technical validation to practical combat training, evolving into a key component of China's air defense strategy [12]. - The aircraft has been involved in various training exercises, including the "Justice Mission-2025" drill, demonstrating its integration with other military assets [12]. - The J-20 is now capable of showcasing its capabilities without the need for stealth, reflecting its operational maturity [12]. Group 3: Future Innovations - The "Nantianmen Plan" introduces three conceptual aircraft, emphasizing advanced technologies such as adaptive transformation and integrated air-space operations [16]. - The "Luan Bird" aircraft, part of the plan, features a significant payload capacity and advanced unmanned capabilities, indicating a shift towards more sophisticated aerial combat systems [13]. - The designs of these conceptual aircraft highlight a departure from traditional models, suggesting a future direction for aviation technology [16].