A PLZ-05 self-propelled howitzer system spits fire as it sends a 155mm shell down range during a tactical live-fire training exercise in the Gobi Desert of northwest China on July 9, 2018.
A Type-09 122 mm self-propelled howitzer system attached to a combined brigade under the PLA 80th Group Army fires at mock targets during a live-fire training exercise on July 9, 2018.
A Z-8 transport helicopter attached to an army aviation brigade under the PLA 76th Group Army lifts a military vehicle to a designated area during a flight training exercise on July 9, 2018.
The guided-missile frigate Luoyang fires its main gun at simulated sea targets during a maritime live-fire training exercise in waters of the South China Sea from July 5 to 7, 2018.
PTL-02 tank destroyers attached to a brigade under the army of the PLA Western Theater Command fire at mock targets during a live-fire training exercise on July 6, 2018.
A PHZ-89 122mm 40-tube self-propelled multiple rocket launcher attached to a brigade under the PLA 74th Group Army fires rockets at mock targets during a live-fire training exercise on July 6, 2018.
The tank landing ship Daiyunshan moors alongside the tank landing ship Danxiashan in waters of the South China Sea during a maritime training exercise on July 6, 2018.
A JJ-7 fighter trainer airplane attached to an a brigade with the PLA Air Force Xi'an Flight Academy conducts a fly-by during a flight training course in northwestern China's Gansu Province on July 6, 2018.
Multi-type reconnaissance aircraft attached to an aviation regiment of the North China Sea Fleet under the PLA Navy sit abreast on the flightline prior to a recent night flight training mission in northeastern China's Liaodong Peninsula.
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command takes off for a sortie at night during a round-the-clock flight training exercise on July 5, 2018.
Multi-type attack helicopters attached to an army aviation brigade under the PLA 80th Group Army lift off successively from a military airfield during a flight training exercise in east China's Shandong Province on July 3, 2018.
Chinese and Pakistani frontier defense forces salute each other prior to a joint border patrol at a mountainous region in Khunjerab in northwest China's Xinjiang Uygur Autonomous Region on June 26, 2018.
A convoy of military vehicles carrying PHL-03 multiple launch rocket systems moves forward in formation during a maneuver training exercise in northwestern China's Gobi Desert on June 29, 2018.
Chinese State Councilor and Defense Minister General Wei Fenghe met with the visiting Colonel General Oleg Salyukov, Commander-in-Chief of the Russian Land Forces, in Beijing on Tuesday morning.
Armored vehicles attached to a landing ship flotilla with the navy under the PLA Southern Theater Command prepare to embark a LCAC on the beachhead during an amphibious assault training exercise on July 1, 2018.
Overseas Chinese in South Africa see off the Chinese taskforce at port. The 28th Chinese naval escort taskforce left the Port of Simon's Town, Cape Town, South Africa, on Monday morning after a four-day friendly visit.
A PLZ-07B 122 mm self-propelled howitzer system attached to a brigade under the PLA 74th Group Army fires at mock targets during a live-fire training exercise in south China's Guangdong Province on June 29, 2018.
A PGZ-07 twin 35mm self-propelled anti-aircraft gun system attached to an air-defense detachment of a brigade under the PLA 76th Group Army fires at mock aerial targets during a live-fire test on June 28, 2018.
A 122mm gun-howitzer system attached to an artillery detachment of a combine brigade under the PLA 75th Group Army fires at mock targets during a live-fire training exercise at an undisclosed area of south China's Guangxi Zhuang Autonomous Region on June 29, 2018.
This year marks the 70th anniversary of UN peacekeeping. China began its participations in the UN peacekeeping operations in 1990. Today, China has some 2,500 peacekeepers and plays an important role in promoting and maintaining world peace.