An IFV attached to a brigade under the PLA 81st Group Army dashes through a mound of dust as it passes man-made obstacles during a driving skills operation of an integrated training exercise on November 23, 2021.

A ship-borne helicopter attached to a service ship group with the navy under the PLA Southern Theater Command prepares to land onto the flight deck of the medical ship (Hull 861) during a maritime realistic training exercise on November 18, 2021.

Fighter bombers attached to a naval aviation brigade under the PLA Eastern Theater Command receive pre-flight inspections in the aircraft hangar prior to a night flight training exercise on November 25, 2021.

Armored assault vehicles attached to a brigade under the PLA 75th Group Army fire multi-type smoke bombs for concealment during a live-fire training exercise on November 30, 2021.

A fighter jet attached to an aviation brigade of the air force under the PLA Eastern Theater Command taxies on the flightline before takeoff during a round-the-clock flight training exercise on November 26, 2021.

A cluster of Z-9 transport helicopters attached to an army aviation brigade under the PLA 81st Group Army execute hover checks before leaving for a flight training task on November 25, 2021.

A pilot cadet assigned to the PLA Naval Aviation University guides his fighter jet on the snow-covered runway and prepares to take off for a flight training course on November 9, 2021.

A fighter jet attached to a naval aviation brigade under the PLA Eastern Theater Command soar in the sky during a round-the-clock flight training exercise on November 11, 2021.

An armored vehicle attached to a brigade under the PLA Army passes over a shallow trench while rumbling on the muddy road during a coordinated driving skill training exercise on November 16, 2021.

Multi types of armored vehicles attached to a combined arms regiment under the PLA Nanjiang Military Command rumble in formation to a designated training field for a live-fire training exercise in late October, 2021.

The guided-missile destroyer Taiyuan (Hull 131) attached to a destroyer flotilla with the navy under the PLA Eastern Theater Command steams in waters of the East China Sea during a realistic combat training exercise in early November, 2021.

Multi-type attack helicopters attached to an army aviation brigade under the PLA 80th Group Army lift off successively for a 24-hour flight training exercise on November 14, 2021.

Commandos assigned to the Jiaolong Commando Unit under the PLA Navy's Marine Corps control their parachutes during a parachuting training in the designated sea area in late October, 2021.

Pilots assigned to an aviation brigade of the air force under the PLA Southern Theater Command stand in well designed formation and pose for group photos with their fighter jets in celebration of the 72nd anniversary of the founding of the Chinese PLAAF on Nov. 11, 2021.

Soldiers assigned to a division under the PLA Xinjiang Military Command carry ammunition to armored vehicles prior to a live-fire test in late October, 2021.

Two fighter jets attached to a naval aviation brigade under the PLA Eastern Theater Command soar into the air as a KJ-500 early-warning plane taxies on the flightline during a recent round-the-clock flight training exercise.

Missile launching vehicles attached to a brigade of the 82nd Group Army under the PLA Central Theater Command maneuver to the evacuation area during a recent 72-hour field training exercise.

A sailor assigned to a naval base under the PLA Northern Theater Command crawls inside a torpedo tube during an evacuation drill in the training on danger prevention and lifesaving inside a submarine on October 11, 2021.

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command takes off from the runway during an air combat training exercise in late October, 2021.

A ground crew member assigned to an aviation brigade of the air force under the PLA Western Theater Command uses flag signals to guide a fighter jet before its taking-off for flight training on October 26, 2021.

The guided-missile frigate Yichang (Hull 564) attached to a destroyer flotilla with the navy under the PLA Northern Theater Command fires rocket depth charges during a round-the-clock maritime drill in late October, 2021.

Maintenance men assigned to an army aviation brigade under the PLA 80th Group Army execute routine inspections on WZ-10 attack helicopters prior to a round-the-clock flight training exercise in mid October, 2021.

A fighter jet attached to a naval aviation brigade under the PLA Northern Theater Command roars into the sky during an air-to-ground attack training exercise on September 7, 2021.

A fighter jet attached to an aviation brigade of the air force under the PLA Western Theater Command takes off for a flight training exercise on October 10, 2021.

Two helicopters attached to an army aviation brigade under the PLA 80th Group Army hover above the grassland during a flight training exercise aiming to hone the troops' combat capabilities on October 12, 2021.

A ship-borne helicopter attached to the 39th Chinese naval escort taskforce conducts take-off and landing training during a specialized training exercise on October 12, 2021.

Troops of an air defense brigade under the PLA 77th Group Army fire missiles to simulated targets during a live-fire exercise in the Gobi desert in mid-September, 2021.

The vehicle-mounted howitzers attached to an artillery element under the PLA Xinjiang Military Command stand ready to conduct the tactical training on October 11, 2021.

Being a normal arrangement made by the two navies according to the annual plan, the Joint Sea-2021 exercise kicked off on October 14 in waters near Russia's Peter the Great Bay.

Two fighter jets attached to a naval aviation brigade under the PLA Eastern Theater Command taxi in close formation on the runway to get ready for a live-fire training exercise on September 15, 2021.

A main battle tank (MBT) attached to a combined-arms regiment under the PLA Xinjiang Military Command fires its main gun at mock targets during a live-fire training exercise on September 27, 2021.

Sailors assigned to the 39th Chinese naval escort taskforce connect a fuel probe from the comprehensive supply ship Taihu to their ship during a replenishment-at-sea operation in waters of the South China Sea on October 1, 2021.

The China-Russia joint naval exercise kicked off in waters near Russia's Peter the Great Bay on the afternoon of October 14, which focused on such training subjects as communications, mine countermeasures, air defense, live-fire shooting at maritime targets, joint maneuvering and joint anti-submarine missions.

A see-off ceremony for three Chinese astronauts departing on the Shenzhou-13 crewed space mission was held on Friday evening at the Jiuquan Satellite Launch Center in northwest China.

Chinese vessels participating in the China-Russia joint naval exercise, Joint Sea-2021, sail in formation to designated sea area on October 13, 2021.

Pilots assigned to an aviation brigade of the air force under the PLA Southern Theater Command perform pre-flight procedures inside the cockpit and taxi their fighter jet out of hangar during a midnight flight training exercise on September 26, 2021.

The guided-missile destroyer Suzhou fires jamming bombs to mask the movement and avoid the simulated missile attack during a maritime combat-readiness patrol mission in early October, 2021.

A vehicle-mounted rocket launcher attached to an artillery contingent of a regiment under the PLA Xinjiang Military Command fires at mock targets during a round-the-clock live-fire training exercise on September 30, 2021.

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 recent flight training test in Northwest China's desert area.

J-10 fighter jets attached to the PLA Air Force's Bayi Aerobatics Team perform aerobatic stunts during a six-day airshow in Zhuhai, South China's Guangdong Province, on Sept. 29, 2021.