![Two fighter jets take off for a combat sortie during the \](http://www.ecns.cn/hd/2018/07/18/bfd3ffff08df4067a4e45a507a5c737b.jpg)
Two fighter jets take off for a combat sortie during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)
![Three fighter jets conduct a fly-by over the desert during the \](http://www.ecns.cn/hd/2018/07/18/24450b73d4ad4ae6876ac3f742e75a9d.jpg)
Three fighter jets conduct a fly-by over the desert during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)
![A fighter jet approaches a tanker aircraft for refuel during the \](http://www.ecns.cn/hd/2018/07/18/842d14ad0dc94554a65d4ca2d741dad3.jpg)
A fighter jet approaches a tanker aircraft for refuel during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)
![An airborne early warning (AEW) aircraft taxies on the runway before takeoff for a sortie during the \](http://www.ecns.cn/hd/2018/07/18/77d76adea91846008d37224cfab8a76a.jpg)
An airborne early warning (AEW) aircraft taxies on the runway before takeoff for a sortie during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)
![An airborne early warning (AEW) aircraft takes off at night for a sortie during the \](http://www.ecns.cn/hd/2018/07/18/3c55217653c24e79b13d78815734e5ed.jpg)
An airborne early warning (AEW) aircraft takes off at night for a sortie during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)
![Two fighter jets taxi on the runway in formation before takeoff for a combat sortie during the \](http://www.ecns.cn/hd/2018/07/18/6ec95f0f44e04987bc4c0aad0fdb4e7f.jpg)
Two fighter jets taxi on the runway in formation before takeoff for a combat sortie during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)
![A J-10 fighter jet takes off for a combat sortie during the \](http://www.ecns.cn/hd/2018/07/18/47c184c3de0b4a0bb34c54677772a6bd.jpg)
A J-10 fighter jet takes off for a combat sortie during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)
![Soldiers set up a vehicle-mounted radar system during the \](http://www.ecns.cn/hd/2018/07/18/4cdcb1fc01eb440e9938c2ff1982020c.jpg)
Soldiers set up a vehicle-mounted radar system during the "Red Sword-2018" systemic confrontation training exercise held by the Chinese PLA Air Force in northwestern China's deep desert in early June, 2018. The "Red Sword-2018", involving various troops from the Air Force, such as aviation, ground-to-air missile, radar, electronic countermeasure troops, aims to beef up the Air Force's systematic combat capabilities. (Photo/eng.chinamil.com.cn)