Soviet invasion of Manchuria
|Manchurian Strategic Offensive Operation (1945)|
|Part of World War II and Soviet–Japanese War (1945)|
Soviet gains in North East Asia, August 1945.
Mongolian People's Republic (Outer Mongolia)
|Commanders and leaders|
| Aleksandr Vasilevsky
| Otozō Yamada (POW)
Zhang Jinghui (POW)
1,852 sup. artillery
5,556 tanks and self-propelled artillery
|Casualties and losses|
The Manchurian Strategic Offensive Operation (Манчжурская стратегическая наступательная операция, lit. Manchzhurskaya Strategicheskaya Nastupatelnaya Operaciya), began on 9 August 1945, with the Soviet invasion of the Japanese puppet state of Manchukuo and was the last campaign of the Second World War and the largest of the 1945 Soviet–Japanese War which resumed hostilities between the Soviet Union and the Empire of Japan after almost six years of peace. Soviet gains on the continent were Manchukuo, Mengjiang (Inner Mongolia) and northern Korea. The rapid defeat of Japan's Kwantung Army has been argued to be a significant factor in the Japanese surrender and the end of World War II, as Japan realized the Soviets were willing and able to take the cost of invasion of its Home Islands, after their rapid conquest of Manchuria and southern Sakhalin.
As agreed with the Allies at the Tehran Conference in November 1943 and the Yalta Conference in February 1945, the Soviet Union entered World War II's Pacific Theater within three months of the end of the war in Europe. The invasion began on 9 August 1945, exactly three months after the German surrender on May 8 (9 May, 0:43 Moscow time).
Although the commencement of the invasion fell between the atomic bombings of Hiroshima, on 6 August, and Nagasaki, on 9 August, the timing of the invasion had been planned well in advance and was determined by the timing of the agreements at Tehran and Yalta, the long term buildup of Soviet forces in the Far East since Tehran, and the date of the German surrender some three months earlier; on August 3, Marshal Vasilevsky reported to Premier Joseph Stalin that, if necessary, he could attack on the morning of 5 August.
At 11pm Trans-Baikal (UTC+10) time on 8 August 1945, Soviet foreign minister Vyacheslav Molotov informed Japanese ambassador Naotake Satō that the Soviet Union had declared war on the Empire of Japan, and that from August 9 the Soviet government would consider itself to be at war with Japan. At one minute past midnight Trans-Baikal time on 9 August 1945, the Soviets commenced their invasion simultaneously on three fronts to the east, west and north of Manchuria:
- the Khingan–Mukden Offensive Operation (9 August 1945 – 2 September 1945);
- the Harbin–Kirin Offensive Operation (9 August 1945 – 2 September 1945); and
- the Sungari Offensive Operation (9 August 1945 – 2 September 1945).
Though the battle extended beyond the borders traditionally known as Manchuria—that is, the traditional lands of the Manchus—the coordinated and integrated invasions of Japan's northern territories has also been called the Battle of Manchuria. Since 1983, the operation has sometimes been called Operation August Storm, after US Army historian David Glantz used this title for a paper on the subject. It has also been referred to as the Manchurian Strategic Offensive Operation.
Background and buildup
The Far East Command, under Marshal of the Soviet Union Aleksandr Vasilevsky, had a plan to conquer Manchuria that was simple but huge in scale, calling for a massive pincer movement over all of Manchuria. This was to be performed by the Transbaikal Front from the west and by the 1st Far Eastern Front from the east; the 2nd Far Eastern Front was to attack the center of the pocket from the north. The only Soviet equivalent of a theater command that operated during the war (apart from the short-lived 1941 "Directions" in the west), Far East Command, consisted of three Red Army fronts.
Western Front of Manchuria
- 17th Army
- 36th Army
- 39th Army
- 53rd Army
- 6th Guards Tank Army
- Soviet Mongolian Cavalry Mechanized Group under I. A. Pliyev
- 12th Air Army.
The Trans-Baikal Front was to form the western half of the Soviet pincer movement, attacking across the Inner Mongolian desert and over the Greater Khingan mountains. These forces had as their objectives firstly to secure Mukden (present day Shenyang), then to meet troops of the 1st Far Eastern Front at the Changchun area in south central Manchuria, and in doing so finish the double envelopment.
Amassing over one thousand tanks and self-propelled guns, the 6th Guards Tank Army was to serve as an armored spearhead, leading the Front's advance and capturing objectives 350 km (220 mi) inside Manchuria by the fifth day of the invasion.
Eastern Front of Manchuria
The 1st Far Eastern Front was to form the eastern half of the pincer movement. This attack involved the 1st Red Banner Army, the 5th Army and the 10th Mechanized Corps striking towards Mudanjiang (or Mutanchiang). Once that city was captured, this force was to advance towards the cities of Jilin (or Kirin), Changchun and Harbin. Its final objective was to link up with forces of the Trans-Baikal Front at Changchun and Jilin (or Kirin) thus closing the double envelopment movement.
As a secondary objective, the 1st Far Eastern Front was to prevent Japanese forces from escaping to Korea, and then invade the Korean peninsula up to the 38th parallel, establishing in the process what later became North Korea. This secondary objective was to be carried out by the 25th Army. Meanwhile, the 35th Army was tasked with capturing the cities of Boli (or Poli), Linkou and Mishan.
Northern Front of Manchuria
- 2nd Red Banner Army
- 15th Army
- 16th Army (whose 56th Rifle Corps was its only formation to see combat, on Sakhalin)
- 5th Separate Rifle Corps
- Chuguevsk Operational Group
- Amur Military Flotilla
- 10th Air Army.
The 2nd Far Eastern Front was deployed in a supporting attack role. Its objectives were the cities of Harbin and Tsitsihar, and to prevent an orderly withdrawal to the south by the Japanese forces.
Once troops from the 1st Far Eastern Front and Trans-Baikal Front captured the city of Changchun, the 2nd Far Eastern Front was to attack the Liaotung Peninsula and seize Port Arthur (present day Lüshun).
|1st Far East
|2nd Far East
|Multiple rocket launchers||1,171||583||516||72|
|Tanks and self-propelled guns||5,556[note 1]||2,416||1,860||1,280|
Each Front had "front units" attached directly to the Front instead of an army. The forces totaled 89 divisions with 1.5 million men, 3,704 tanks, 1,852 self propelled guns, 85,819 vehicles and 3,721 aircraft. Approximately one-third of its strength was in combat support and services. The Soviet plan incorporated all the experience in maneuver warfare that they had acquired in fighting the Germans.
The Kwantung Army of the Imperial Japanese Army, under General Otsuzo Yamada, was the major part of the Japanese occupation forces in Manchuria and Korea, and consisted of two Area Armies and three independent armies:
- First Area Army (northeastern Manchukuo), including
- Third Area Army (southwestern Manchukuo), including
- Independent units
- 4th Army (an independent field army responsible for northern Manchuria)
- 34th Army (an independent field army responsible for the areas between the Third and Seventeenth Area Armies in North Korea)
- Kwangtung Defence Army (responsible for Mengjiang)
- Seventeenth Area Army (responsible for Korea; assigned to the Kwantung Army in the eleventh hour, to no avail)
- Other forces
- Fifth Area Army – responsible for South Sakhalin and the Kurils
Each Area Army (Homen Gun, the equivalent of a Western "army") had headquarters units and units attached directly to the Area Army, in addition to the field armies (the equivalent of a Western corps). In addition to the Japanese, there was the forty thousand strong Manchukuo Defense Force, composed of eight under-strength, poorly equipped, poorly trained Manchukuo Imperial Army divisions. Korea, the next target for the Soviet Far East Command, was garrisoned by the Japanese Seventeenth Area Army.
The Kwantung Army had over 600,000 men in twenty-five divisions (including two tank divisions) and six Independent Mixed Brigades. These contained over 1,215 armored vehicles (mostly armored cars and light tanks), 6,700 artillery pieces (mostly light), and 1,800 aircraft (mostly trainers and obsolete types; they only had 50 first line aircraft). However, the Kwantung Army was far below authorized strength; most of its heavy military equipment and all of its best military units had been transferred to the Pacific front over the previous three years. By 1945, the Kwantung Army contained a large number of raw recruits; as a result, it had essentially been reduced to a light infantry counter-insurgency force with limited mobility and experience. On paper, the Japanese forces were no match for the highly mobile mechanized Red Army, with its vastly superior tanks, artillery, experience and tactics.
The Imperial Japanese Navy contributed nothing to the defense of Manchuria, the occupation of which it had always opposed on strategic grounds.
Compounding the problem, the Japanese military made many wrong assumptions and major mistakes, the two most significant being:
- They wrongly assumed that any attack coming from the west would follow either the old railroad line to Hailar, or head into Solun from the eastern tip of Mongolia. The Soviets did attack along those routes, but their main attack from the west went through the supposedly impassable Greater Khingan range south of Solun and into the center of Manchuria.
- Japanese military intelligence failed to determine the nature, location and scale of the Soviet buildup in the Far East. Based on initial underestimates of Soviet strength, and the monitoring of Soviet traffic on the Trans-Siberian railway, they believed the Soviets would not have sufficient forces in place before the end of August, and that an attack was most likely in autumn 1945 or in the spring of 1946.
Due to the withdrawal of the Kwantung Army's elite forces for redeploying into the Pacific Theatre, new operational plans for the defence of Manchuria against a seemingly inevitable Soviet attack were made by the Japanese in the summer of 1945. These called for redeploying most forces from the border areas; the borders were to be held lightly and delaying actions fought while the main force was to hold the southeastern corner in strength (so defending Korea from attack).
Further, they had only observed Soviet activity on the Trans-Siberian railway and along the east Manchurian front, and so were preparing for an invasion from the east. They believed that when an attack occurred from the west, the redeployed forces would be able to deal with it.
However, although this redeployment had been initiated, it was not due to be completed until September, and hence the Kwantung Army were in the midst of redeploying when the Soviets launched their attack simultaneously on all three fronts.
|This section does not cite any references or sources. (August 2009)|
The operation was carried out as a classic double pincer movement over an area the size of the entire Western European theatre of World War II. In the western pincer, the Red Army advanced over the deserts and mountains from Mongolia, far from their resupply railways. This confounded the Japanese military analysis of Soviet logistics, and the defenders were caught by surprise in unfortified positions. The Kwantung Army commanders were involved in a planning exercise at the time of the invasion, and were away from their forces for the first eighteen hours of conflict.
Communication infrastructure was poor, and communication was lost with forward units very early on. However, the Kwantung Army had a formidable reputation as fierce and relentless fighters, and even though understrength and unprepared, put up strong resistance at the town of Hailar which tied down some of the Soviet forces. At the same time, Soviet airborne units were used to seize airfields and city centers in advance of the land forces, and to ferry fuel to those units that had outrun their supply lines.
The Soviet pincer from the east crossed the Ussuri and advanced around Khanka Lake and attacked towards Suifenhe, and although Japanese defenders fought hard and provided strong resistance, the Soviets proved overwhelming.
After a week of fighting, during which Soviet forces had penetrated deep into Manchukuo, Japan's Emperor Hirohito recorded the Gyokuon-hōsō which was broadcast on radio to the Japanese nation on 15 August 1945. The idea of surrender was incomprehensible to the Japanese people, and combined with Hirohito's use of formal and archaic language, the fact that he did not use the actual word for "surrender", the poor quality of the broadcast, and poor lines of communication, there was some confusion amongst the Japanese about what the announcement actually meant.
The Imperial Japanese Army Headquarters did not immediately communicate the cease-fire order to the Kwantung Army, and many elements of the army either did not understand it, or ignored it. Hence, pockets of fierce resistance from the Kwantung Army continued, and the Soviets continued their advance, largely avoiding the pockets of resistance, reaching Mukden, Changchun and Qiqihar by 20 August.
On the Soviet right flank, the Soviet-Mongolian Cavalry-Mechanized Group had entered Inner Mongolia and quickly took Dolon Nur and Kalgan. The Emperor of Manchukuo (and former Emperor of China), Puyi, was captured by the Soviet Red Army. The cease-fire order was eventually communicated to the Kwantung Army, but not before the Soviets had made most of their territorial gains.
On August 18, several Soviet amphibious landings had been conducted ahead of the land advance: three in northern Korea, one in Sakhalin, and one in the Kuril Islands. This meant that, in Korea at least, there were already Soviet soldiers waiting for the troops coming overland. In Sakhalin and the Kurils, it meant a sudden establishment of Soviet sovereignty.
The land advance was stopped a good distance short of the Yalu River, the start of the Korean peninsula, when even the aerial supply lines became unavailable. The forces already in Korea were able to establish control in the peninsula's northern area. In accordance with arrangements made earlier with the American government to divide the Korean peninsula, Soviet forces stopped at the 38th parallel, leaving the Japanese still in control of the southern part of the peninsula. Later, on 8 September 1945 American forces landed at Incheon.
As the Japanese forces' casualties were ten times those of the Soviet forces', the Soviet invasion and the defeat of Japan's military forces stationed in the region were regarded as Japan's worst land defeat in its military history.
Many Japanese settlers committed mass suicide as the Soviet army approached. Mothers were forced to kill their own children before killing or being killed themselves. The Japanese army often took part in the killings of its civilians. The commander of the 5th Japanese Army, General Shimizu, commented that "each nation lives and dies by its own laws." Wounded Japanese soldiers who were incapable of moving on their own were often left to die as the army retreated.
The Soviets laid claim to Japanese enterprises in the region and took valuable materials and industrial equipment.
British and US reports indicate that the Soviet troops that occupied Manchuria (about 700,000) looted and terrorized the people of Mukden, and were not discouraged by Soviet authorities from "three days of rape and pillage". In Harbin, Chinese posted slogans such as "Down with Red Imperialism!" Soviet forces ignored protests from Chinese communist party leaders on the mass rape and looting.
Konstantin Asmolov of the Center for Korean Research of the Russian Academy of Sciences dismisses Western accounts of Soviet violence against civilians in the Far East as exaggeration and rumor and contends that accusations of mass crimes by the Soviet army inappropriately extrapolate isolated incidents regarding the nearly 2,000,000 Soviet troops in the Far East into mass crimes. According to him, such accusations are refuted by the documents of the time, from which it is clear that such crimes were far less of a problem than in Germany. Asmolov further deflects critics by pointing out that whereas the Soviets prosecuted their perpetrators, German and Japanese prosecution of "rapists and looters" was virtually unknown.
- Soviet–Japanese War (1945)
- Soviet invasion of Xinjiang
- Gegenmiao massacre
- Mongolian People's Army (A secondary army under the Soviet Red Army)
- Military history of Japan
- Military history of the Soviet Union
- Soviet sources give 4,841 tanks and 1,393 self-propelled guns as fit for service on 5 August 1945 in the Far East. These were a most varied fleet to be found anywhere, and included pre-war BT-5 fast tanks alongside IS-2 heavy tanks and Lend-Lease Sherman M4A2 tanks
- LTC David M. Glantz, "August Storm: The Soviet 1945 Strategic Offensive in Manchuria". Leavenworth Papers No. 7, Combat Studies Institute, February 1983, Fort Leavenworth Kansas.
- "Battlefield - Manchuria - The Forgotten Victory", Battlefield (documentary series), 2001, 98 minutes.
- Glantz, David M. & House, Jonathan (1995), When Titans Clashed: How the Red Army Stopped Hitler, Lawrence, Kansas: University Press of Kansas, ISBN 0-7006-0899-0, p. 300
- Jowett, Rays of The Rising Sun, Pg. 36
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- Robert Butow, Japan's Decision to Surrender, Stanford University Press, 1954 ISBN 978-0-8047-0460-1.
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- Tsuyoshi Hasegawa, Racing the Enemy: Stalin, Truman, and the Surrender of Japan, Belknap Press, 2006 ISBN 0-674-01693-9.
- "Soviet Declaration of War on Japan", 8 August 1945. (Avalon Project at Yale University)
- Maurer, Herrymon, Collision of East and West, Henry Regnery Company, Chicago, 1951, p.238.
- From Encarta Premium 2009 archive article, World War II (1945): Surrender of Japan.
- Zimonin, Vyacheslav (1987). "The Truth and Lies About Japanese Orphans". Far Eastern Affairs (2-6) (Moscow: Academy of Sciences of the USSR). p. 121.
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- Christian Science Monitor, 12 October 1945.
Japanese armies were guilty of appalling excesses, both in China and elsewhere, and had the Russians dealt harshly with only Japanese nationals in Manchuria this would have appeared as just retribution. But the indiscriminate looting and raping inflicted upon the unoffending Chinese by the Russians naturally aroused the keenest indignation.
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- Ronald H. Spector (2008). In the Ruins of Empire: The Japanese Surrender and the Battle for Postwar Asia. Random House, Inc. p. 33. ISBN 0-8129-6732-1. Retrieved 2010-11-28.
- Asmolov, Konstantin (2008). "Pobeda na Dal'nem Vostoke" [Victory in the Far East]. In Dyukov, Aleksandr; Pyhalov, Igor. Velikaya obolgannaya voina [The Great Slandered War] (in Russian) 2. Moscow: Yauza.
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