Soldiers in MOPP gears use the chemical agent detector to locate the simulated toxic agents in the soil. The realistic training exercise is carried out by a chemical defense battalion with the navy under the PLA Southern Theater Command in late October.

A WZ-10 attack helicopter attached to an army aviation brigade under the PLA 80th Group Army lifts off for a round-the-clock flight training exercise on November 19, 2020.

Two fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command taxi in close formation before takeoff for an aerial combat flight training exercise at a military airfield in the eastern regions of China's Yunnan Province.

Two J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command soar into the air in formation during a combat flight training mission on November 17, 2020.

The amphibious dock landing ships Wuzhishan, Kunlunshan and Changbaishan attached to a landing ship flotilla with the navy under the PLA Southern Theater Command steam alongside in waters of the South China Sea during a maritime training exercise on November 18, 2020.

Two WZ-10 attack helicopters attached to an army aviation brigade under the PLA 73rd Group Army fly in extremely-low altitude during a penetrating flight training exercise on November 11, 2020.

Maintenance personnel assigned to a frigate flotilla with the navy under the PLA Northern Theater Command guide a ship-borne helicopter to lift off on the deck of the guided-missile frigate Dingzhou during a recent maritime live-fire training exercise.

A main battle tank attached to an armored detachment with a regiment under the PLA Xinjiang Military Command rumbles down from a sidehill during a driving skills training exercise on November 9, 2020.

Two J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command taxi in close formation on the runway before takeoff during a flight training exercise on November 12, 2020.

Four J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command fly in an echelon formation to designated airspace during a round-the-clock flight training exercise on November 10, 2020.

Artillerymen assigned to an artillery brigade under the PLA Xinjiang Military Command operate a self-propelled howitzer to attack a mock target during a live-fire test at the altitude of 5,200 meters in China's Xinjiang Uygur Autonomous Region in late October, 2020.

The guided-missile destroyer Chengdu (Hull 120) attached to a naval vessel training center under the PLA Northern Theater Command fires its close-in weapons system against mock aerial targets during a 3-day maritime training exercise from November 4 to 6, 2020.

A main battle tank attached to a combined arms brigade under the PLA 72nd Group Army engages a mock target downrange during gunnery training on September 6, 2020.

A main battle tank attached to an armored brigade under the PLA 73rd Group Army fires toward a simulated enemy during a live-fire combat drill in northwest China’s Gobi desert on October 22, 2020.

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command takes off during a combat flight training exercise in October, 2020.

Three WZ-10 attack helicopters attached to an army aviation brigade under the PLA 72nd Group Army fly over terraced fields during a flight training exercise on October 24, 2020.

Special operations soldiers assigned to a mobile detachment of the Chinese People's Armed Police Force Xinjiang Contingent approach the target with aimed rifles during a recent counter-terrorism drill.

An airman sitting in the cockpit pilots his fighter jet onto the flightlie prior to a patrol mission during a round-the-clock flight training exercise conducted by an aviation regiment under the PLA Air Force on October 21, 2020.

The picture shows soldiers with gas masks assigned to a company of a combined brigade under the PLA 82nd Group Army in field training exercise. The predecessor of this company was the 4th Company, 239th Regiment, 80th Division under the CPV's 27th Army.

Two WZ-10 attack helicopters attached to an army aviation brigade under the PLA 80th Group Army lift off from a military airfield at dusk during a round-the-clock flight training mission on October 21, 2020.

Attack helicopters attached to an army aviation brigade under the PLA 80th Group Army lift off at night for a tactical flight training task on October 13, 2020.

A group of main battle tanks attached to an armored detachment of a brigade under the PLA 73rd Group Army rumble through a mound of dust in a long-distance maneuver combat training in Gobi desert on October 18, 2020.

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxies along the flightline as it awaits approval to takeoff during a ferry flight training exercise on October 16, 2020.

Soldiers wearing ghillie suits look through the sight of their rifles to lock mock targets during a comprehensive tactical training exercise in the woods on September 29, 2020. They are assigned to a reconnaissance company of a regiment under the PLA Xinjiang Military Command.

Armored vehicles attached to a combined arms brigade under the PLA 73rd Group Army fire at mock targets during a live-fire test on October 7, 2020.

A Z-9 attack helicopter attached to a naval aviation regiment under the PLA Eastern Theater Command patrols over mountainous region during a real-combat flight training exercise in late September, 2020.

Fighter bombers attached to a naval aviation brigade under the PLA Northern Theater Command fly in line formation during a recent combat readiness patrol recently.

Fighter jets attached to the PLA Naval Aviation University taxi out of the aircraft hangars during a flight training course in late September, 2020.

A soldier assigned to a combined arms brigade under the PLA 76th Group Army uses smoke bombs to create a smokescreen for concealment as he engages mock enemy with his rifle during a real-combat drill on September 26, 2020.

Four WZ-10 attack helicopters attached to an army aviation brigade under the PLA 72nd Group Army fly in tactical formation over the ocean during maritime penetrating flight training in late September, 2020.

The guided-missile destroyers Zhanjiang (Hull 165) and Zhuhai (Hull 166) attached to a destroyer flotilla with the navy under the PLA Southern Theater Command berth at a naval port in late July of 2020, prior to a maritime training exercise that will be the last voyage in their service period.

Soldiers assigned to an army aviation brigade under the PLA 73rd Group Army rush to occupy positions after disembarking from a transport helicopter during a realistic training exercise on September 26, 2020.

J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command taxi out of aircraft hangars successively onto the flightline during a real-combat flight training exercise in mid September, 2020.

Soldiers assigned to a combined arms regiment under the PLA Xinjiang Military Command fire towed howitzers to destroy mock enemy during a live-fire field training exercise in northwest desert area on September 9, 2020.

Armored vehicles attached to a combined arms brigade under the PLA 81st Group Army participate in a live-fire training exercise on September 9, 2020.

Two pilots assigned to an aviation brigade of the air force under the PLA Western Theater Command get settled in the cockpit of their fighter jets prior to a flight training task on September 5, 2020.

The remains of 117 Chinese soldiers killed in the 1950-53 Korean War were returned to China on Sunday from the Republic of Korea (ROK).

A fighter jet attached to an aviation brigade of the air force under the PLA Eastern Theater Command takes off with afterburner for training sortie at night in early September, 2020.

An H-6H strategic bomber attached to the Air Force under the PLA Central Theater Command taxies on the flightline before takeoff during a recent flight training mission.

A fighter jet attached to an aviation brigade of the air force under the PLA Eastern Theater Command taxies down the runway after landing during a round-the-clock flight training exercise on September 17, 2020.