The Chengdu J-20, also known as Weilong, is a twin-engine all-weather stealth fighter developed by China's Chengdu Aircraft Corporation between 2011 and 2018 for the People's Liberation Army Air Force (PLAAF). The J-20 is designed as an air superiority fighter with precision strike capability. The aircraft has three notable variants: the initial production model, the revised airframe variant with new engines and thrust-vectoring control, and the aircraft-teaming capable twin-seat variant.
