吾家吾国丨曾击落美国U-2侦察机 他用雷达筑牢家国屏障

Core Viewpoint - The article highlights the life and contributions of Zhang Lvqian, a centenarian scientist who dedicated his life to radar technology, playing a crucial role in national defense during significant historical events such as the Korean War and the development of China's military capabilities. Group 1: Contributions to National Defense - Zhang Lvqian modified a can to create a receiver that could overcome U.S. electromagnetic interference during the Korean War [1] - He led a team to identify enemy radar blind spots, facilitating the establishment of covert flight paths for the air force [1] - At the age of 84, he was tasked with addressing the challenges of space rendezvous and docking, demonstrating his lifelong commitment to scientific advancement [1] Group 2: Achievements Against U-2 Reconnaissance Aircraft - In 1962, the U.S. U-2 reconnaissance aircraft posed a significant threat by conducting extensive surveillance over China, aiming to gather critical military intelligence [1] - Zhang Lvqian's team successfully shot down five U-2 aircraft, with a notable achievement being the first nighttime interception of such an aircraft in January 1965 [6] - The U-2 aircraft, known for its advanced reconnaissance capabilities, was ultimately shot down seven times globally, with five of those instances attributed to Zhang's team [6]