A J-10 fighter jet attached to the Chinese PLA Air Force takes off from the runway and flies to the designated airspace for a round-the-clock flight training exercise aimed at beefing up the pilots' combat capability. (eng.chinamil.com.cn/Photo by Xiao Rui)近日，空军某部严密组织跨昼夜空战、实弹射击飞行训练。此次训练旨在全面提升飞行员的作战能力。（英文中国军网/肖锐 摄）