J-20 (Chengdu J-20, code name: Veyron [21] is a stealth fifth-generation air fighter developed by Chengdu Aircraft Design and Research Institute of AVIC with high stealth capability, high situational awareness, high mobility, etc. The latest generation of dual-engine heavy stealth fighter developed by PLA (the old standard in Europe and America is the fourth generation, the new standard in Russia is the fifth generation). To replace the future heavy fighter models of the J-10, J-11 and other third-generation air superiority/multi-role fighter aircraft, the aircraft will be responsible for the maintenance of the PLA Air Force's sovereignty over the air and sea in the future. [