A KJ-200 airborne early warning (AEW) aircraft attached to an aviation regiment with the PLA Navy's North China Sea Fleet taxies out the flightline onto the runway during the flight training at a military airfield in coastal area of east China's Shandong Province on January 3, 2018. (eng.chinamil.com.cn/Photo by Xing Yun and Xie Junjie)