|55th Division (1949–53)|
55th Infantry Division (1953–60)
55th Army Division (1960–85)
55th Motorized Infantry Division (1985–98)
55th Motorized Infantry Brigade (1998-)
|Active||1949.5 - Present|
|Country||People's Republic of China|
|Branch||People's Liberation Army|
|Part of||47th Army|
|Garrison/HQ||Zhangye, Gansu province|
|Engagements||Chinese Civil War, Sino-Indian War, Sino-Vietnamese War|
The 55th Motorized Infantry Brigade, formerly as 55th Division, is a military formation of the People's Liberation Army of the People's Republic of China. It is now one of four mobile brigades of PLA 47th Army.
The 55th Division (Script error) was created in May 1949 under the Regulation of the Redesignations of All Organizations and Units of the Army, issued by Central Military Commission on November 1, 1948, basing on the 12th Brigade of Shannan Military District. Its history could be traced to 24th Brigade, 8th Column of Jinjiluyu Field Army, formed on December 5, 1945.
In July 1952 the division was put under direct control of Northwestern Military Region following 19th Corps' disbandment.
In 1953 the division was reorganized and renamed as 55th Infantry Division(Script error). By then the division was composed of:
- 163rd Infantry Regiment;
- 164th Infantry Regiment;
- 165th Infantry Regiment (former 169th Regiment of the disbanding 57th Division);
- 306th Artillery Regiment (former 165th Regiment).
In April 1960 the division was renamed as 55th Army Division(Script error).
In October 1969 the division was transferred to newly formed 19th Army Corps' control. 306th Artillery Regiment was renamed as Artillery Regiment, 55th Army Division.
In October 1985 the division was transferred to 21st Army following 19th Army Corps' disbandment. At the same time the division was renamed as 55th Motorized Infantry Division(Script error).
From 1985 to 1989 the division maintained as a test-bed Light Motorized Infantry Division:
- 163rd Infantry Regiment was transferred to 63rd Infantry Division;
- 3rd Battalion, 163rd Infantry returned to the division, and 1st Battalion, 164th Infantry and 3rd Battalion, 165th Infantry was transferred to 163rd Infantry Regiment.
- HQ, 164th and 165th Infantry Regiment were disbanded;
- The division was then composed of 5 remaining infantry battalion, an artillery regiment and an antiaircraft battalion;
- Each infantry battalion was composed of 2 rifle companies (peace time, during the war there might be 3), 1 antiaircraft machine-gun company, 1 105-mm recoilless rifle battery and 1 107-mm rocket artillery battery.
The test organization seemed not successful, and in August 1989 the division re-organized as a Northern Motorized Infantry Division, Catalogue B: all three infantry regiments reactivated. By the division was composed of:
- 163rd Motorized Infantry Regiment;
- 164th Motorized Infantry Regiment;
- 165th Motorized Infantry Regiment;
- Artillery Regiment.
In October 1998 the division was reduced to 55th Motorized Infantry Brigade(Script error).
In 2003 the brigade was transferred to 47th Army.
- 解放军第55师简史, http://blog.sina.com.cn/s/blog_686c13540102vcnu.html
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