The Chengdu J-20 (Chinese: 歼-20; pinyin: Jiān-Èrlíng), also known as Mighty Dragon (Chinese: 威龙; pinyin: Wēilóng),[6][7][8] is a single-seat, twinjet, all-weather, stealth,[9] fighter aircraft developed by China's Chengdu Aerospace Corporation for the People's Liberation Army Air Force (PLAAF).[4] The J-20 is designed as an air superiority fighter with precision strike capability;[10] it descends from the J-XX program of the 1990s.[11]

The J-20 made its maiden flight on 11 January 2011,[1][2] and was officially revealed at the 2016 China International Aviation & Aerospace Exhibition.[12] The aircraft entered service in March 2017,[4] and began its combat training phase in September 2017.[13] The first J-20 combat unit was formed in February 2018.[4]

The J-20 is the world's third operational fifth-generation stealth fighter aircraft after the F-22 and F-35