Pilots sitting in the cockpits of J-10A fighter jets go through pre-flight procedures during a flight training exercise for the “Aviadarts” event on August 1, 2018. The "Aviadarts" event of the “International Army Games (IAG) 2018” kicked off in central Russia’s Ryazan Region on July 29. Pilots from four countries including China, Russia, Belarus and Kazakhstan participate in this event. (eng.chinamil.com.cn/Photo by Yang Pan)
