According to the manufacturer, Aviation Industry Corporation of China, the J-20S is the first and only model of a twin-seat stealth combat aircraft in the world. It is a variant of the J-20, China's first stealth fighter jet comparable to the U.S. Air Force F-22 Raptor.

At the Zhuhai Air Show, China unveiled advancements in its fifth-generation warplanes, notably the J-20S, a tandem-pilot variant of the Chengdu J-20. Equipped for precision strikes, electronic warfare,