A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command soars over the valley during a flight training exercise on March 31, 2020.
The guided-missile frigate Yulin attached to a destroyer flotilla with the navy under the PLA Southern Theater Command fires its rocket-propelled depth charges at mock hostile submarine during a maritime training exercise in waters of the South China Sea in late March, 2020.
A KJ-500 AEW aircraft attached to an aviation division of the navy under the PLA Eastern Theater Command sits on the flightline and receives inspections prior to a recent night patrol mission.
A main battle tank (MBT) attached to an armored regiment under the PLA Xinjiang Military Command rumbles through a mound of dust to a designated training area during a maneuver operation on March 30, 2020.
A Chinese national flag flies at half-mast to mourn for martyrs who died in the fight against the novel coronavirus disease outbreak and compatriots died of the disease at Tian'anmen Square in Beijing, capital of China, April 4, 2020.
Pilots sitting in the cockpit of their fighter jet are well prepared and await approvals to take off during an aerial night combat training exercise at a military airfield in north China on March 13, 2020.
Pilots sitting in the cockpit of a WZ-10 attack helicopter get ready for a flight training exercise in early March, 2020. They are assigned to an army aviation brigade under the PLA Western Theater Command.
Artillerymen assigned to a brigade under the PLA 76th Group Army stand in formation, listening to the instructor's summary after the live-fire operation on March 21, 2020.
Soldiers assigned to a brigade under the PLA Rocket Force erect a ballistic missile system into position on a missile launching truck during a realistic training exercise on March 12, 2020.
Cambodia and China launched the fourth joint drill on counter-terrorism and humanitarian rescue at the Techo Sen Chumkiri live-fire field in Cambodia's southwestern Kampot province on March 15.