A Chinese-made military drone is displayed at the Kazakhstan Defense Exhibition in Astana, capital of Kazakhstan, May 23, 2018.
A Y-8 reconnaissance aircraft taxies on the runway in preparation for takeoff during a flight training exercise in northeastern China's Liaodong Peninsula on May 21, 2018.
Tanks are en route to a designated training area at the foot of the Tianshan Mountains during a long-distance round-the-clock maneuver in northwestern China's Xinjiang Uyghur Autonomous Region in late May, 2018.
Special operations soldiers wearing Ghillie suits aim their rifles and conduct tactical movement during a reconnaissance and assault operation in a jungle area in mid-May, 2018.
Special operations soldiers carrying full rucksacks engage in a long-distance march during a recent round-the-clock comprehensive training exercise.
A J-11 fighter jet attached to an aviation brigade of the air force under the PLA Eastern Theater Command prepares to taxi out for a night flight training exercise on May 17, 2018.
Special operations soldiers advance to assault mock enemies after fast-roping from a transport helicopter during a round-the-clock training mission near the Tianshan Mountains of northwest China’s Xinjiang Uygur Autonomous Region in late April, 2018.
An HQ-12 anti-aircraft missile is fired at a mock aerial target during a live-fire training exercise in northwestern China's Gobi Desert in mid-May, 2018.
China's second aircraft carrier returns to dock at the Dalian Shipyard in northeastern China's Liaoning Province on May 18 after its first sea trials. The aircraft carrier was launched in April last year and began the sea trials on May 13, 2018.
Pilots assigned to a brigade under the PLA Air Force Xi'an Flight Academy pose for a group photo with their JL-8 jet trainers after completing a flight training course on May 12, 2018.