Two JH-7 fighter bombers attached to the Chinese PLA Air Force fly towards the designated airspace during an air-to-ground offensive operation drill conducted by two Chinese JH-7 fighter bombers and two Pakistani JF-17 fighter jets on Sept. 20, 2017, which is part of the "Shaheen VI " joint training exercise launched by the air forces of China and Pakistan on Sept. 8 and scheduled to conclude on Sept. 27, 2017. (Photo/eng.chinamil.com.cn)
