Core Insights - The Chinese Air Force has made significant breakthroughs in large transport aircraft, particularly with the Y-20 series, especially the latest Y-20B model, which has achieved rapid development and mass production within two years since its debut in April 2023 [1][3]. Group 1: Development and Production - The Y-20B has reached a production scale of 10-15 aircraft per year, with satellite images showing 16 Y-20Bs stationed at a military airport, indicating that the total number of units may have surpassed 100 [1]. - The key to the rapid development of the Y-20B is the breakthrough in engine technology, transitioning from the Russian D-30KP-2 engine in the Y-20A to the domestically produced WS-20 engine, which significantly enhances performance and ensures self-sufficiency in critical technology [1][3]. Group 2: Engine Technology - The WS-20 engine, with a thrust of 16 tons, began testing on the Il-76 platform in 2014 and was first fitted on the Y-20 in November 2020, marking a significant advancement in China's aviation capabilities [3]. - The Y-20B's range exceeds 8,000 kilometers, greatly improving its strategic deployment capabilities, and its production has been confirmed by satellite imagery showing multiple units at the factory [3]. Group 3: Industry Impact - The success of the Y-20B represents a milestone for China's aviation industry, overcoming long-standing reliance on foreign engines, which has historically hindered the development of Chinese fighter jets [4]. - The successful mass production of the WS-10 and WS-20 engines signifies a comprehensive breakthrough in aviation engine technology, which will also support the development of other large aircraft like the C929 wide-body passenger plane [4]. Group 4: Competitive Landscape - Russia's aviation industry faces severe challenges due to China's engine technology advancements, which have eroded its market share, compounded by international sanctions from the Russia-Ukraine conflict [6]. - The Y-20's success underscores the importance of independent innovation, as reliance on foreign technology has proven insufficient for achieving core technological advancements [6].

Core Viewpoint - The article highlights the display of various military aircraft and equipment by the China Aviation Industry Corporation during the 80th anniversary of the victory in the Chinese People's Anti-Japanese War and the World Anti-Fascist War, showcasing advancements in China's air combat capabilities. Group 1: Airborne Equipment - A total of 125 military aircraft, including the new models such as KJ-600, J-20A, J-20S, and J-35, were showcased for the first time in public [1] - The aerial formations included a variety of combat aircraft, transport planes, and early warning command aircraft, demonstrating a comprehensive representation of the military's air combat capabilities [1] Group 2: Specific Aircraft Types - The air command aircraft formation featured KJ-500A and J-16, along with KJ-600 and J-15T, highlighting the integration of advanced early warning systems [6] - The special aircraft formation included Y-9 anti-submarine patrol aircraft, electronic reconnaissance aircraft, and radar jamming aircraft, escorted by J-16 fighters [7] - The transport aircraft formation consisted of Y-20A and Y-20B, showcasing new domestic engines that enhance range, payload, and speed for strategic deployment [9] Group 3: Refueling and Fighter Aircraft - The aerial refueling formation demonstrated three Y-20A aircraft refueling J-16, J-20, and H-6N bombers, indicating advancements in aerial refueling capabilities [11] - The fighter aircraft formation included multiple new stealth fighters such as J-16D, J-20, J-35A, and J-20S, showcasing the evolution of China's carrier-based aircraft capabilities [12]