U.S. marines. After Korea In June 1952 the division returned from Korea and renamed as the 80th Infantry Division (). As of late 1953, the division was composed of: 238th Infantry Regiment; 239th Infantry Regiment; 240th Infantry Regiment; 285th Tank Self-Propelled Artillery Regiment; 360th Artillery Regiment. In April 1960 the division was renamed as the 80th Army Division (). In June 1962, the division took part in the emergency combat alert mission in Zhejiang province. In September 1967, 285th Tank Self-Propelled Artillery Regiment detached from the division and transferred to Armored Troops, Nanjing Military Region's control. The regiment then became 2nd Independent Tank Regiment of Nanjing Military Region in August 1969 and 37th Tank Regiment, 10th Tank Division in May 1976. On August 20, 1969, the division moved to Hebei along with the Corps HQ. In December 360th Artillery Regiment was renamed as Artillery Regiment, 80th Army Division. In August 1971, the division was re-organized as a motorized army division: 5th Independent Tank Regiment of Beijing Military Region attached to the division and renamed as Tank Regiment, 80th Army division. Anti-Aircraft Artillery Regiment activated. During the 1970s the division act as the general reserve force of the Army in northern China. In 1985 the division was renamed as the 80th Motorized Infantry Division (). From 1985 to 1998 the division maintained as a northern motorized infantry division, category A. By then the division was composed of: 238th Infantry Regiment; 239th Infantry Regiment; 240th Infantry Regiment; Tank Regiment; Artillery Regiment; Anti-Aircraft Artillery Regiment. From December 1986 to April 1988, the division took part in the Battle of Laoshan, under the code-designation of "41st Infantry Division (D)". The division took part in the enforced martial law and the crackdown on protests in Beijing, June 1989. In 1998 the division was reduced and renamed as the 80th Motorized Infantry Brigade (). The brigade was then composed of: 1st Infantry Battalion; 2nd Infantry Battalion; 3rd Infantry Battalion; Tank Battalion; 122mm Howitzer Artillery Battalion; 130mm Rocket Artillery Battalion; Twin-37mm AAA Battalion; Communications Battalion; Engineer Battalion; Repairing Battalion; Training Detachment. In April 2017 the brigade was renamed as the 80th Medium Combined Arms Brigade (). The brigade is now a maneuvering part of the PLA 82nd Group Army. References 80