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 in northwest China’s Xinjiang Uyghur Autonomous Region on March 30, 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.

Artillerymen assigned to a brigade under the PLA Rocket Force operate a crane to hoist and load a missile at night during a recent assault training exercise in northwest China’s Gobi desert.

Armored vehicles mounted with Tor anti-aircraft missile systems attached to a brigade under the PLA 72nd Group Army conduct an emergency maneuver operation in unknown areas on March 21, 2020.

Main battle tanks (MBTs) attached to a combined arms brigade under the PLA 78th Group Army spit fires at mock targets in a night live-fire operation during a training exercise from March 17 to 23, 2020.

An H-6 bomber attached to an aviation brigade of the air force under the PLA Eastern Theater Command takes off from the runway for a round-the-clock flight training exercise on March 15, 2020.

J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command taxi out of the aircraft shelters successively onto the flightline for a live-fire flight training exercise on March 19, 2020.

Three WZ-10 attack helicopters attached to an army aviation brigade under the PLA 72nd Group Army fly in tactical formation at an extremely-low altitude for concealment during a flight training exercise on March 11, 2020.

A J-11 fighter jet attached to an aviation brigade of the air force under the PLA Eastern Theater Command soars into the air for a round-the-clock flight training exercise on March 20, 2020.

A main battle tank (MBT) attached to an armored regiment under the PLA Xinjiang Military Command rumbles through a mound of dust during a long-distance maneuver operation on March 19, 2020.

Multiple rocket launch systems attached to an artillery brigade under the PLA Xizang Military Command fire anti-aircraft rockets simultaneously during a live-fire operation at the elevation of 4,500 meters in Southwest China's Xizang Autonomous Region on March 11, 2020.

Scouts wearing ghillie suits engage the mock targets during a reconnaissance tactical training exercise deep in the jungle on March 12, 2020. They are assigned to a special operations brigade under the PLA 77th Group Army.

Armored vehicles attached to an air-defense detachment of a combined brigade under the PLA 78th Group Army rumble on a rugged mountain road during a driving skills training exercise on March 10, 2020.

The guided-missile frigate Xuchang (Hull 536) attached to a naval destroyer flotilla under the PLA Southern Theater Command fires chaff rounds from the decoy launching system during a 5-day maritime training exercise from March 9 to 13, 2020.

Ground crew members assigned to the PLA Air Force Xi'an Flight Academy rush to their positions as assembled fighter trainer aircraft sit abreast on the tarmac with each other prior to a night flight training course on March 12, 2020.

Beijing has reopened Xiaotangshan Hospital, which housed SARS patients in 2003, to receive international arrivals for further screening, quarantine, and treatment of mild cases of novel coronavirus disease (COVID-19).

A ground crew member assigned to a regiment under the PLA Naval Aviation University performs last-minute inspections on a JL-10 fighter trainer aircraft prior to a night flight training course on March 10, 2020.

Sailors wearing protective masks operate a combat direction system console to make data collection of a simulated infected sea area aboard the guided-missile frigate Xinyang during a maritime training exercise in waters of the Yellow Sea in early March, 2020.

HQ-16 medium-range air-defense missile systems attached to an air-defense brigade under the PLA 80th Group Army are erected during a realistic training exercise on March 9, 2020.

Border guards lead the horses and walk along the border during a frontier patrol mission in southwest China's Xinjiang Uygur Autonomous Region at the altitude of 3,842 meters on March 8, 2020.

A 122mm self-propelled howitzer system attached to an artillery detachement of a brigade under the PLA 73rd Group Army spits fires against mock moving targets during a field live-fire training exercise on March 11, 2020.

A J-11 fighter jet attached to an aviation brigade of the air force under the PLA Eastern Theater Command taxies on the tarmac in speed before takeoff for a real combat flight training exercise on March 10, 2020.

Soldiers assigned to a brigade under the PLA Rocket Force withdraw after erecting ballistic missile systems during a night training exercise in early March, 2020.

Scout snipers wearing ghillie suits engage the mock targets during a reconnaissance tactical training exercise in the woods recently. They are assigned to a brigade under the PLA 71st Group Army.

Fighter jets attached to an aviation brigade of the air force under the PLA Northern Theater Command sit abreat with each other on the flightline and wait for approvals to take off during a flight training exercise on March 4, 2020.

Troops assigned to a naval regiment under the PLA Northern Theater Command are busy preparing anti-ship missile systems during a training exercise in the fresh green mountains on March 4, 2020.

A fighter jet attached to an aviation brigade of the air force under the PLA Eastern Theater Command taxies on the runway in speed before takeoff during a round-the-clock flight training task on February 27, 2020.

Representatives of the participating troops pose for a group photo during the Cobra Gold-2020 joint military exercise at the national disaster relief training center in Chachoengsao Province, Thailand from February 25 to March 6, 2020.

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command soars into the air for a round-the-clock flight training exercise on February 24, 2020.

A J-11 fighter jet attached to an aviation brigade of the air force under the PLA Western Theater Command taxies on the runway as another two fighter jets take off during a flight training exercise on February 25, 2020.

Border guards ride forward on horsebacks during a snow patrol deep in the defense area at the foot of the Altai Mountains in northwest China's Xinjiang Uygur Autonomous Region on March 1, 2020.

J-10 fighter jets attached to the PLA Air Force's Bayi Aerobatics Team perform aerobatic stunts during the six-day Singapore Airshow at the Changi Exhibition Centre from February 11 to 16, 2020.

Multi-type attack and transport helicopters attached to an army aviation brigade under the PLA 76th Group Army lift off at short intervals for a flight training mission on February 25, 2020.

DF-16 ballistic missile systems attached to a missile brigade under the PLA Rocket Force get ready to be launched at night after being erected into positions at the launching pads during a night training exercise in late February, 2020.

A JL-9 jet trainer attached to an aviation regiment under the PLA Navy taxies on the flightline to the takeoff position as another aircraft sits on the parking spot during a flight training course on February 22, 2020.

Pilots assigned to a naval aviation brigade under the PLA Eastern Theater Command keep their Su-30 fighter jet in a specified airspace while awaiting further clearance during an actual-combat flight training exercise in mid-February, 2020.

Ground crew members assigned to an aviation brigade of the air force under the PLA Western Theater Command wait for pilots after completing inspections prior to air-to-surface target practice during a fire training exercise on February 18, 2020.