A KJ-200 airborne early warning (AEW) aircraft attached to a naval aviation regiment under the PLA Northern Theater Command takes off for a flight training exercise in Jiaodong Peninsula of eastern China's Shandong Province on February 24, 2018. (eng.chinamil.com.cn/Photo by Xing Yun, Xie Junjie, Ye Weixin and Yan Menglong)