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. In November of 1950, the 4th company accidentally encountered the Regimental Combat Team 31(RCT-31) of the US Army in Sinhung-ni Region, east of the Chosin Reservoir in northern DPRK. The 4th Company fought tenaciously and destroyed the commanding post of the US Regimental Combat Team 31 and captured its flag. The 4th company was awarded the title of the "Model Company of Sinhung-ni Battle" by the 27th Army.Photo:China Military

Picture shows paratroopers assigned to the 8th Company of an airborne unit of the PLA Air Force bailing out of a transport aircraft in a parachuting training. The predecessor of this company was the 8th Company, 3rd Battalion, 134th Regiment, 45th Division, 15th Army of the CPV. In the 43 days of the Battle of Shangganling (aka Battle of Triangle Hill), the 8th Company wiped out 1,765 enemies in total and occupied the position in the main peak of the Shangganling in a counterattack operation. After the Battle of Shangganling, the 8th Company was awarded a Collective Special-Class Merit by the CPV and from then on, the company had a heroic name --- the Special Merit 8th Company in Shangganling.Photo:China Military

Picture shows the 5th Armored Infantry Company of a combined arms brigade under the PLA 79th Group Army in a field training exercise. Its predecessor was the 7th Company, 347th Regiment, 116th Division, 39th Army of the CPV. In December of 1950, during the Third Campaign of the War to resist US Aggression and Aid Korea, the 7th Company was among the first echelon to break through the defense lines the ROK army built along the Imjin River. Soldiers of the company only took 11 minutes to wade cross the waist-deep icy water of the Imjin River with a width of more than 100 meters and seized the enemy frontline positions. After the battle, the 7th Company was awarded the honorary title of the “Hero Company in Imjin River Breakthrough Battle”.Photo:China Military

Picture shows a fighter jet attached to the 1st Flight Group with an aviation brigade under the PLA Air Force firing rockets against mock targets. The predecessor of the flight group was the 1st Flight Group, 9th Regiment, 3rd Division of the PLA Air Force. In October of 1951, the one-year-old flight group headed by its leader Wang Hai participated in the War to Resist US Aggression and Aid Korea. During the war, the flight group attended more than 80 air battles and achieved a brilliant record of shooting down and wounding 29 U.S. fighters, among which, Wang Hai shot down 4 and wounded 5. The flight group was honored as the “Heroic Wang Hai Group”. In 1964, the flight group was named “Wang Hai Group” by the PLA Air Force. In recent years, airmen in this group actively participate in combat-readiness training. A total of 8 persons in this group have won the PLA Air Force Golden Helmets and Golden Darts, two top prizes for most skillful pilots respectively in fighter jets’ air-to-air combat competitions and air penetration and assault combat competitions. Photo:China Military

Picture shows soldiers assigned to the 8th Company of an artillery brigade under the PLA 74th Group Army firing towed howitzers against mock targets at night. The predecessor of the company was the 5th Company, 26th Regiment, 1st Artillery Division of the CPV. In October 1950, before the CPV troops set off to fight during the War to Resist US Aggression and Aid Korea, Ma Fuyao, the political instructor of the 5th Company wrote a passionate poem overnight, which was composed into the famous song, "Battle Hymn of the Chinese People's Volunteers ". Photo:China Military