A soldier assigned to an air-defense brigade of the South China Sea Fleet under the PLA Navy takes an azimuth reading with an optical rangefinder during a live-fire exercise on Sept. 7, 2017.
An HQ-7 anti-aircraft missile attached to an air-defense brigade with the PLA 79th Group Army is deployed from a wheeled armored fighting vehicle during the "Firepower-2017•Shandan" military exercise in northwest China's Gansu Province on September 8, 2017.
The air forces of China and Pakistan began joint training exercises in China on Thursday.
Artillerymen assigned to an airborne brigade of the PLA Air Force operate a 122mm self-propelled howitzer system to fire at simulated targets during a live-fire training exercise in central China's Hubei Province on Sept. 6, 2017.
Soldiers assigned to an air-defense brigade with the PLA 72nd Group Army operate a crane to transfer a Tor surface-to-air missile module onto a Tor anti-aircraft missiles system during a missile loading training exercise on September 7, 2017.
A pilot assigned to an army aviation brigade of the PLA 80th Group Army performs pre-flight checks on his Z-10 attack helicopter at a military airfield prior to a coordinated flight training exercise on Sept. 5, 2017.
A Su-30 fighter jet attached to an aviation regiment of the PLA Air Force takes off from a military airfield for a combat sortie during the flight training in central China's Hebei Province recently.
Artillerymen operate a crane to hoist and load the HQ-16A medium-range air-defense missiles onto the palletized load systems during an actual combat training exercise at a military shooting range near the Bohai Bay in east China in early September, 2017.
An HQ-6 air-defense missile weapons system attached to an air-defense battalion with a surface-to-air missile brigade under the PLA Air Force fires at simulated sea and aerial targets during a live-fire exercise near the Bohai Bay in east China on Sept. 5, 2017.
A Type-63 107mm rocket launcher system attached to an artillery detachment of an airborne brigade under the PLA Air Force spites fire as it sends a shell down range during a live-fire training exercise in central China's Hubei Province on September 4, 2017.
A military truck convoy carrying equipment is en route to the designated area during a maneuver exercise conducted by a surface-to-air missile brigade with the air force under the PLA Central Theater Command in north China in ealy September, 2017.
J-7B fighter jets and JJ-7A fighter jet trainers attached to a brigade of the Xi'an Flight Academy under the PLA Air Force are ready for combat sorties during a live-fire training exercise at a military airfield in northwest China's Gansu Province in late August, 2017.
The guided-missile frigate Yantai attached to a destroyer flotilla with the North China Sea Fleet under the PLA Navy fires its main gun at simulated sea targets during the live-fire training in waters of the Yellow Sea from Aug. 31 to Sept. 1, 2017.
An advanced comprensive supply ship Hulun Nur (Hull 965) joined the People's Liberation Army (PLA) Navy in southern China's Guangzhou city on Sept.1, 2017.
Soldiers assigned to a combined brigade under the PLA 82nd Group Army wrestle in a river during an obstacle course event on August 31, 2017.
Senior Colonel Ren Guoqiang, spokesperson for the Ministry of National Defense (MND) of the People's Republic of China (PRC), answers reporters' questions at a regular press conference on August 31, 2017.
A Su-30 fighter jet attached to an aviation regiment with the PLA Air Force receives fuel from a fuel probe in an aircraft hangar prior to the flight training in north China's Hebei Province on August 27, 2017.
A J-11 fighter jet assigned to an aviation brigade of the air force under the PLA Western Theater Command flies over the mountains during the flight training on August 31, 2017.
The guided-missile frigate Hengyang and the guided-missile frigate Xuchang attached to a destroyer flotilla with the South China Sea Fleet under the PLA Navy steam in formation during a four-day maritime training exercise in waters of the South China Sea in late August, 2017.
Y-12 transport aircraft attached to an aviation brigade of the airborne troops under the PLA Air Force fly in formation over farmlands during a flight training exercise on August 30, 2017.