J-10 fighter jets in flight training

J-10C fighter jets attached to an air force unit under the Chinese PLA Southern Theater Command taxi on the runway during a round-the-clock training exercise. (eng.chinamil.com.cn/Photo by Li Yuanlong)

A J-10C fighter jet attached to an air force unit under the Chinese PLA Southern Theater Command climbs off the runway during a round-the-clock flight training exercise. (eng.chinamil.com.cn/Photo by Li Yuanlong)

A J-10S fighter jet attached to an air force unit under the Chinese PLA Southern Theater Command climbs off the runway during a round-the-clock flight training exercise. (eng.chinamil.com.cn/Photo by Li Yuanlong)

A J-10 fighter jet attached to an air force unit under the Chinese PLA Southern Theater Command flies over an island during a round-the-clock flight training exercise. (eng.chinamil.com.cn/Photo by Luo Yuanhua)

J-10 fighter jets attached to an air force unit under the Chinese PLA Southern Theater Command fly in formation during a round-the-clock flight training exercise. (eng.chinamil.com.cn/Photo by Luo Yuanhua)