A fighter jet attached to an aviation unit under the PLA Air Force flies over mountainous region providing over-watch for ground operations during a combat flight training mission in 2020. (eng.chinamil.com.cn/Photo by Yu Hongchun)

A fighter jet attached to an aviation unit under the PLA Air Force releases jamming bombs for concealment during a combat flight operation in 2020. (eng.chinamil.com.cn/Photo by Yu Hongchun)

A fighter jet attached to an aviation unit under the PLA Air Force flies over mountainous region providing over-watch for ground operations during a combat flight training mission in 2020. (eng.chinamil.com.cn/Photo by Yu Hongchun)

Two fighter jets attached to an aviation unit under the PLA Air Force fly in line astern formation during a combat flight operation in 2020. (eng.chinamil.com.cn/Photo by Yu Hongchun)

Two fighter jets attached to an aviation unit under the PLA Air Force fly in line astern formation during a combat flight operation in 2020. (eng.chinamil.com.cn/Photo by Yu Hongchun)