40th Rifle Division
|40th Rifle Division (1930–1957)|
40th Motor Rifle Division
|Country|| Soviet Union (1925–1992)|
|Engagements||Battle of Lake Khasan|
|Decorations|| Order of Lenin|
Order of Suvorov 2nd class
|Battle honours||"named for Sergo Ordzhonikidze"|
The 40th Rifle Division was an infantry division of the Red Army during World War II. It gained the honorific "named for Sergo Ordzhonikidze" on 14 April 1937. It fought in the engagements at Lake Khasan. On 22 June 1941, it was part of the 39th Rifle Corps, 25th Army, in the Far East Military District. The division fought in the Soviet invasion of Manchuria in 1945. In 1957, it was converted into a motorized rifle division. From 1957 to 1989 it was based at Smolyaninovo-1, Primorskiy Krai. In 1989 it was transferred to the Pacific Fleet as a coastal defence division. It was disbanded in 1996.
The 40th Rifle Division was formed on 16 April 1930 as a territorial division from the 7th Krasnoyarsk Territorial Rifle Regiment in Krasnoyarsk, Achinsk and Kansk. In January 1932, it was transferred to the active army and in October was moved to Razdolny, Nadezhdinsky District, Primorsky Krai. By February 1934, it was based in Posyet, Slavyanka, Novokievka and Barabash in the Khasan district of Primorsky Krai. The division became part of the 39th Rifle Corps in May 1936. It was given the honorific "named for Sergo Ordzhonikidze" on 14 April 1937. During the summer of 1938, the division fought in the Battle of Lake Khasan under the command of Colonel V.K. Bazarov. For its actions in the battle, it was awarded the Order of Lenin. During August 1945, it fought in the Soviet invasion of Manchuria as part of the 25th Rifle Corps.  Its 3rd Rifle Regiment, commanded by Lieutenant Colonel Mikhail Abarmov, crossed the border in the Grodekovo region of Primorsky Krai and cut the railway line in the Japanese rear. It fought in the battle for Laoling pass. During the Harbin-Jilin Offensive, the division had broken the Japanese defences by 10 August and advanced 20 km. On 11 August, the division helped capture Laoheyshan and Hunchun. In conjunction with a 12 August amphibious assault by forces of the Pacific Fleet, the division captured Unga and Najin on the eastern coast of Korea. On 15 August, they captured Wangqing, Chongjin on 16 August, Rana and Yanji on 17 August after the Japanese surrender. In October, the division was sent to Hoyren in North Korea, where it remained until February 1946. For its actions during the campaign, the division was awarded the Order of Suvorov 2nd class. 
On 17 May 1957, the division became a motorized rifle division. Its 178th Motorized Rifle Regiment was disbanded on 14 March 1958 and replaced by the disbanded 148th Motorized Rifle Division's 411th Motorized Rifle Regiment. On 12 October 1989, it was transferred to the Pacific Fleet as the 40th Motorized Rifle Division for Coastal Defence. The 231st Motorized Rifle Regiment and 1173rd Antiaircraft Missile Regiment were transferred to the 129th Guards Machine-Gun Artillery Division on 12 October 1990. The two regiments were replaced by the 48th Guards Motorized Rifle Regiment and 1133rd Antiaircraft Missile Regiment. In 1996, it was disbanded. During the Cold War, it was based at Smolyaninovo and was maintained at 65% strength.
The division was commanded by the following officers.
- Andrei Sazontov (January 1930-February 1932)
- Colonel V.K. Bazarov (1938)
- Stepan Kirillovich Mamonov (3 July 1939-24 January 1942)
- Timofey Petrovich Pyryalin (25 January 1942-14 November 1942)
- Porfiry Dyakov (17 November 1942-22 September 1943)
- Grigory Shanin (23 September 1943-25 May 1944)
- Ivan Ponomarenko (26 May-15 December 1944)
- Zakhar Sopeltsev (16 December 1944-3 September 1945)
In 1941, it was composed of the following units.
- 3rd Rifle Regiment
- 178th Rifle Regiment
- 231st Rifle Regiment
- 91st Artillery Regiment
- 53rd Separate Antitank Battalion
- 470th Separate Self-Propelled Artillery Battalion
- 23rd Engineer-Sapper Battalion
- 5th Reconnaissance Company
- 86th Separate Communications Battalion
- 619th Medical and Sanitary Battalion
- 1st Separate Chemical Defence Company
- 362nd Trucking Company
- 70th Field Bakery
- 172nd Divisional Veterinary Hospital
- 77th Divisional Artillery Workshop
- 252nd Field Post Office
- 259th Field Ticket Office of the State Bank
In 1988, the 40th Motorized Rifle Division was composed of the following units.
- 3rd Motorized Rifle Regiment
- 231st Motorized Rifle Regiment
- 411th Motorized Rifle Regiment
- 141st Guards Tank Regiment
- 187th Artillery Regiment
- 1173rd Antiaircraft Missile Regiment
- 957th Separate Missile Battalion
- 26th Separate Antitank Artillery Battalion
- 125th Separate Reconnaissance Battalion
- 23rd Separate Engineer-Sapper Battalion
- 86th Separate Communications Battalion
- 52nd Separate Chemical Defence Battalion
- Separate Equipment Maintenance and Recovery Battalion
- 619th Separate Medical Battalion
- 1133rd Separate Material Supply Battalion
- "40-я стрелковая дивизия им. С.Ордженикидзе" [The 40th Infantry Division named for S. Ordzhonikidze] (in Russian). Archived from the original on 2012-12-14.
- Holm, Michael. "40th Motorised Rifle Division". www.ww2.dk. Retrieved 2015-12-30.
- "Портал о Фронтовиках" [The portal for veterans]. www.pobeda1945.su (in Russian). Retrieved 2015-12-31.
- Avanzini, Michael; Crofoot, Craig (2004-10-01). Armies of the Bear. Tiger Lily Publications LLC. pp. 87–88. ISBN 9780972029629.
- "40-я Богучарская им. С. К. Орджоникидзе стрелковая дивизия - страница клуба "Память" Воронежского госуниверситета" [40th Bogucharsky them. S. Ordzhonikidze Infantry Division - Home Club "Memory" Voronezh State University]. samsv.narod.ru (in Russian). Retrieved 2016-01-01.
- Erickson, John (2001-01-01). The Soviet High Command: A Military-political History, 1918-1941. Psychology Press. ISBN 9780714651781.
- Glantz, David (2004-08-02). The Soviet Strategic Offensive in Manchuria, 1945: 'August Storm'. Routledge. ISBN 1135774986.
- Avanzini, Michael; Crofoot, Craig (2004-10-01). Armies of the Bear. Tiger Lily Publications LLC. ISBN 9780972029629.