Military history of the Soviet Union
Encyclopedia
The military history of the Soviet Union began in the days following the 1917 October Revolution
October Revolution
The October Revolution , also known as the Great October Socialist Revolution , Red October, the October Uprising or the Bolshevik Revolution, was a political revolution and a part of the Russian Revolution of 1917...

 that brought the Bolsheviks to power. The new government formed the Red Army
Red Army
The Workers' and Peasants' Red Army started out as the Soviet Union's revolutionary communist combat groups during the Russian Civil War of 1918-1922. It grew into the national army of the Soviet Union. By the 1930s the Red Army was among the largest armies in history.The "Red Army" name refers to...

 to fight various enemies in the Russian Civil War
Russian Civil War
The Russian Civil War was a multi-party war that occurred within the former Russian Empire after the Russian provisional government collapsed to the Soviets, under the domination of the Bolshevik party. Soviet forces first assumed power in Petrograd The Russian Civil War (1917–1923) was a...

. The years 1918-1921 saw Red Army's defeats in Polish-Soviet war and Estonia, Latvia and Lithuania independence wars. In the late 1930s, the Red Army invaded Finland
Winter War
The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

; fought the brief Battle of Halhin Gol (together with its ally Mongolia
Mongolia
Mongolia is a landlocked country in East and Central Asia. It is bordered by Russia to the north and China to the south, east and west. Although Mongolia does not share a border with Kazakhstan, its western-most point is only from Kazakhstan's eastern tip. Ulan Bator, the capital and largest...

) with Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and its client state Manchukuo
Manchukuo
Manchukuo or Manshū-koku was a puppet state in Manchuria and eastern Inner Mongolia, governed under a form of constitutional monarchy. The region was the historical homeland of the Manchus, who founded the Qing Empire in China...

; and, was deployed when the Soviet Union, in agreement with Nazi Germany
Molotov-Ribbentrop Pact
The Molotov–Ribbentrop Pact, named after the Soviet foreign minister Vyacheslav Molotov and the German foreign minister Joachim von Ribbentrop, was an agreement officially titled the Treaty of Non-Aggression between Germany and the Soviet Union and signed in Moscow in the late hours of 23 August 1939...

, took part in the partition of Poland
Second Polish Republic
The Second Polish Republic, Second Commonwealth of Poland or interwar Poland refers to Poland between the two world wars; a period in Polish history in which Poland was restored as an independent state. Officially known as the Republic of Poland or the Commonwealth of Poland , the Polish state was...

, annexed the Baltic States
Baltic states
The term Baltic states refers to the Baltic territories which gained independence from the Russian Empire in the wake of World War I: primarily the contiguous trio of Estonia, Latvia, Lithuania ; Finland also fell within the scope of the term after initially gaining independence in the 1920s.The...

, Bessarabia
Bessarabia
Bessarabia is a historical term for the geographic region in Eastern Europe bounded by the Dniester River on the east and the Prut River on the west....

 and Northern Bukovina
Bukovina
Bukovina is a historical region on the northern slopes of the northeastern Carpathian Mountains and the adjoining plains.-Name:The name Bukovina came into official use in 1775 with the region's annexation from the Principality of Moldavia to the possessions of the Habsburg Monarchy, which became...

 (from Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

). In World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, it was the major military force in the defeat of Nazi Germany
Nazi Germany
Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

. After the war, it occupied
Military occupation
Military occupation occurs when the control and authority over a territory passes to a hostile army. The territory then becomes occupied territory.-Military occupation and the laws of war:...

 a large portion of Germany (the entire East side of the country), and many nations in central and eastern Europe, which became satellite state
Satellite state
A satellite state is a political term that refers to a country that is formally independent, but under heavy political and economic influence or control by another country...

s in the Soviet bloc
Eastern bloc
The term Eastern Bloc or Communist Bloc refers to the former communist states of Eastern and Central Europe, generally the Soviet Union and the countries of the Warsaw Pact...

.

The Soviet Union became the sole superpower
Superpower
A superpower is a state with a dominant position in the international system which has the ability to influence events and its own interests and project power on a worldwide scale to protect those interests...

 rival to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The Cold War
Cold War
The Cold War was the continuing state from roughly 1946 to 1991 of political conflict, military tension, proxy wars, and economic competition between the Communist World—primarily the Soviet Union and its satellite states and allies—and the powers of the Western world, primarily the United States...

 between the two nations led to military buildups, the nuclear arms race
Nuclear arms race
The nuclear arms race was a competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War...

, and the Space Race
Space Race
The Space Race was a mid-to-late 20th century competition between the Soviet Union and the United States for supremacy in space exploration. Between 1957 and 1975, Cold War rivalry between the two nations focused on attaining firsts in space exploration, which were seen as necessary for national...

. By the early 1980s, the Soviet armed forces had more troops, tanks, artillery guns and nuclear weapons than any other nation on earth. The Soviet Union fell in 1991, not because of military defeat but because of economic and political factors (see History of the Soviet Union (1982–1991)).

The Soviet military consisted of five armed services. In their official order of importance, the Soviet armed services were the Strategic Rocket Forces
Strategic Rocket Forces
The Strategic Missile Troops or Strategic Rocket Forces of the Russian Federation or RVSN RF , transliteration: Raketnye voyska strategicheskogo naznacheniya Rossiyskoy Federatsii, literally Missile Troops of Strategic Designation of the Russian Federation) are a military branch of the Russian...

, Ground Forces
Soviet Army
The Soviet Army is the name given to the main part of the Armed Forces of the Soviet Union between 1946 and 1992. Previously, it had been known as the Red Army. Informally, Армия referred to all the MOD armed forces, except, in some cases, the Soviet Navy.This article covers the Soviet Ground...

, Air Forces
Soviet Air Force
The Soviet Air Force, officially known in Russian as Военно-воздушные силы or Voenno-Vozdushnye Sily and often abbreviated VVS was the official designation of one of the air forces of the Soviet Union. The other was the Soviet Air Defence Forces...

, Air Defense Forces
Soviet Anti-Air Defense
The Soviet Air Defence Forces was the air defense branch of the Soviet Armed Forces. It continued being a service branch of the Armed Forces of the Russian Federation from 1991 to 1998. Unlike Western air defense forces, V-PVO was a branch of the military unto itself, separate from the Soviet...

, and Naval Forces
Soviet Navy
The Soviet Navy was the naval arm of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy would have played an instrumental role in a Warsaw Pact war with NATO, where it would have attempted to prevent naval convoys from bringing reinforcements across the Atlantic Ocean...

. The two other Soviet militarized forces were the Internal Troops (MVD Troops), subordinated to the Ministry of the Interior, and the Border Troops, subordinated to the KGB
KGB
The KGB was the commonly used acronym for the . It was the national security agency of the Soviet Union from 1954 until 1991, and was the premier internal security, intelligence, and secret police organization during that time.The State Security Agency of the Republic of Belarus currently uses the...

.

Czarist and revolutionary background

The February Revolution
February Revolution
The February Revolution of 1917 was the first of two revolutions in Russia in 1917. Centered around the then capital Petrograd in March . Its immediate result was the abdication of Tsar Nicholas II, the end of the Romanov dynasty, and the end of the Russian Empire...

 replaced the Tsar with the Russian Provisional Government, 1917 which was itself overthrown by the Bolshevik Revolution
October Revolution
The October Revolution , also known as the Great October Socialist Revolution , Red October, the October Uprising or the Bolshevik Revolution, was a political revolution and a part of the Russian Revolution of 1917...

 of 1917. The Russian army, exhausted by its participation
Eastern Front (World War I)
The Eastern Front was a theatre of war during World War I in Central and, primarily, Eastern Europe. The term is in contrast to the Western Front. Despite the geographical separation, the events in the two theatres strongly influenced each other...

 in World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

, was in the final stages of disintegration and collapse. Even though Bolshevik
Bolshevik
The Bolsheviks, originally also Bolshevists , derived from bol'shinstvo, "majority") were a faction of the Marxist Russian Social Democratic Labour Party which split apart from the Menshevik faction at the Second Party Congress in 1903....

 influence in the ranks was strong, the officer corps was staffed with many who violently opposed communism
Communism
Communism is a social, political and economic ideology that aims at the establishment of a classless, moneyless, revolutionary and stateless socialist society structured upon common ownership of the means of production...

. The Bolsheviks perceived the Tsarist army to be one of the foundations of the hated old regime, and decided to abolish it in favor of establishing a new military loyal to the Marxist
Marxism
Marxism is an economic and sociopolitical worldview and method of socioeconomic inquiry that centers upon a materialist interpretation of history, a dialectical view of social change, and an analysis and critique of the development of capitalism. Marxism was pioneered in the early to mid 19th...

 cause. Thus the core of the Tsarist army became the core of the Russian Provisional Government army which became the core of the White Army
White movement
The White movement and its military arm the White Army - known as the White Guard or the Whites - was a loose confederation of Anti-Communist forces.The movement comprised one of the politico-military Russian forces who fought...

, which in intermittent collaboration with interventionist forces from outside Russia (Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese, British
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

, French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

) battled the Red Army during the Russian Civil War
Russian Civil War
The Russian Civil War was a multi-party war that occurred within the former Russian Empire after the Russian provisional government collapsed to the Soviets, under the domination of the Bolshevik party. Soviet forces first assumed power in Petrograd The Russian Civil War (1917–1923) was a...

.

On January 28, 1918 the Bolshevik leader Vladimir Lenin
Vladimir Lenin
Vladimir Ilyich Lenin was a Russian Marxist revolutionary and communist politician who led the October Revolution of 1917. As leader of the Bolsheviks, he headed the Soviet state during its initial years , as it fought to establish control of Russia in the Russian Civil War and worked to create a...

 decreed the establishment of the Red Army
Red Army
The Workers' and Peasants' Red Army started out as the Soviet Union's revolutionary communist combat groups during the Russian Civil War of 1918-1922. It grew into the national army of the Soviet Union. By the 1930s the Red Army was among the largest armies in history.The "Red Army" name refers to...

, officially merging the 20,000 Red Guards
Red Guards (Russia)
In the context of the history of Russia and Soviet Union, Red Guards were paramilitary formations consisting of workers and partially of soldiers and sailors formed in the time frame of the Russian Revolution of 1917...

, 60 000 Latvian red riflemans with 200,000 Baltic Fleet sailors and a handful of sympathetic Petrograd
Saint Petersburg
Saint Petersburg is a city and a federal subject of Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea...

 garrison soldiers. Leon Trotsky
Leon Trotsky
Leon Trotsky , born Lev Davidovich Bronshtein, was a Russian Marxist revolutionary and theorist, Soviet politician, and the founder and first leader of the Red Army....

 served as their first commissar for war.

The early Red Army was egalitarian and therefore poorly disciplined. The Bolsheviks considered military ranks and saluting to be bourgeois customs and abolished them; soldiers now elected their own leaders and voted on which orders to follow. This arrangement was abolished, however, under pressure of the Russian Civil War
Russian Civil War
The Russian Civil War was a multi-party war that occurred within the former Russian Empire after the Russian provisional government collapsed to the Soviets, under the domination of the Bolshevik party. Soviet forces first assumed power in Petrograd The Russian Civil War (1917–1923) was a...

 (1918–1921), and ranks were reinstated.

During the civil war, the Bolsheviks fought counterrevolutionary
Counterrevolutionary
A counter-revolutionary is anyone who opposes a revolution, particularly those who act after a revolution to try to overturn or reverse it, in full or in part...

 groups that became known as the White armies
White movement
The White movement and its military arm the White Army - known as the White Guard or the Whites - was a loose confederation of Anti-Communist forces.The movement comprised one of the politico-military Russian forces who fought...

 as well as armies sponsored by Russia's former allies such as the Britain
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 and France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, which saw a need to overthrow the Bolshevik government. The Red Army enjoyed a series of initial victories over their opponents, and in a surge of optimism Lenin ordered the Soviet Western Army
Western Army (Russia)
The Western Army or 16th Army was created on November 15, 1918, by the Russian SFSR for the purpose of recovering territories lost by the Russian Empire during the First World War and establishing Soviet republics in those territories...

 to advance West in the vacuum created by the German forces
Russian westward offensive of 1918-1919
The Soviet westward offensive of 1918–1919 was part of the general move of the Russian Soviet Federated Socialist Republic into the areas abandoned by the Ober-Ost garrisons, that were being withdrawn to Germany following that country's defeat in the World War I. The Soviet Western Front...

 retreating from the Ober-Ost areas. This operation swept the newly formed Ukrainian People's Republic
Ukrainian People's Republic
The Ukrainian People's Republic or Ukrainian National Republic was a republic that was declared in part of the territory of modern Ukraine after the Russian Revolution, eventually headed by Symon Petliura.-Revolutionary Wave:...

 and Belarusian People's Republic and eventually lead to the Soviet invasion of Second Polish Republic
Second Polish Republic
The Second Polish Republic, Second Commonwealth of Poland or interwar Poland refers to Poland between the two world wars; a period in Polish history in which Poland was restored as an independent state. Officially known as the Republic of Poland or the Commonwealth of Poland , the Polish state was...

, a newly independent state of the former Russian Empire. By invading Poland and initiating the Polish-Soviet War
Polish-Soviet War
The Polish–Soviet War was an armed conflict between Soviet Russia and Soviet Ukraine and the Second Polish Republic and the Ukrainian People's Republic—four states in post–World War I Europe...

 the Bolsheviks expressed their belief that they would eventually triumph over opposing capitalist
Capitalism
Capitalism is an economic system that became dominant in the Western world following the demise of feudalism. There is no consensus on the precise definition nor on how the term should be used as a historical category...

 forces both at home and abroad.

The overwhelming majority of professional officers in the Russian army were of nobility (dvoryanstvo); moreover, most of them had joined the White armies. Therefore the Workers' and Peasants' Army initially faced a shortage of experienced military leaders. To remedy this, the Bolsheviks recruited 50,000 former Imperial Army officers to command the Red Army. At the same time, they attached political commissar
Political commissar
The political commissar is the supervisory political officer responsible for the political education and organisation, and loyalty to the government of the military...

s to Red Army units to monitor the actions and loyalty of professional commanders, formally termed as "military specialists" (voyenspets, for voyenny spetsialist). By 1921 the Red Army had defeated four White armies and held off five armed foreign contingents that had intervened in the civil war, but began to face setbacks in Poland.

Polish forces managed to break a long streak of Bolshevik victories by launching a bold counteroffensive at the Battle of Warsaw
Battle of Warsaw (1920)
The Battle of Warsaw sometimes referred to as the Miracle at the Vistula, was the decisive battle of the Polish–Soviet War. That war began soon after the end of World War I in 1918 and lasted until the Treaty of Riga resulted in the end of the hostilities between Poland and Russia in 1921.The...

 in August 1920. At Warsaw the Red Army suffered a defeat so great and so unexpected that it turned the course of the entire war and eventually forced the Soviets to accept the unfavorable conditions offered by the Treaty of Riga, signed on March 18, 1921. It was the biggest defeat of the Red Army in history.

After the civil war, the Red Army became an increasingly professional military organization. With most of its five million soldiers demobilized
Military discharge
A military discharge is given when a member of the armed forces is released from their obligation to serve.-United States:Discharge or separation should not be confused with retirement; career U.S...

, the Red Army was transformed into a small regular force, and territorial militia
Militia
The term militia is commonly used today to refer to a military force composed of ordinary citizens to provide defense, emergency law enforcement, or paramilitary service, in times of emergency without being paid a regular salary or committed to a fixed term of service. It is a polyseme with...

s were created for wartime mobilization. Soviet military schools, established during the civil war, began to graduate large numbers of trained officers loyal to the Soviet power. In an effort to increase the prestige of the military profession, the party reestablished formal military ranks, downgraded political commissars, and eventually established the principle of one-man command.

Party control

The Communist Party
Communist Party of the Soviet Union
The Communist Party of the Soviet Union was the only legal, ruling political party in the Soviet Union and one of the largest communist organizations in the world...

 had a number of mechanisms of control over the country's armed forces. First, starting from a certain rank, only a Party member could be a military commander, and was thus subject to Party discipline. Second, the top military leaders had been systematically integrated into the highest echelons of the party. Third, the party placed a network of political officers
Political commissar
The political commissar is the supervisory political officer responsible for the political education and organisation, and loyalty to the government of the military...

 throughout the armed forces to influence the activities of the military.

A deputy political commander (zampolit) served as a political commissar of the armed forces. A zampolit supervised party organizations and conducted party political work within a military unit. He lectured troops on Marxism-Leninism, the Soviet view of international affairs, and the party's tasks for the armed forces. Following World War II the zampolit lost all command authority but retained the power to report to the next highest political officer or organization on the political attitudes and performance of the unit's commander.

In 1989 over 20% of all armed forces personnel were party members or Komsomol
Komsomol
The Communist Union of Youth , usually known as Komsomol , was the youth division of the Communist Party of the Soviet Union. The Komsomol in its earliest form was established in urban centers in 1918. During the early years, it was a Russian organization, known as the Russian Communist Union of...

 members. Over 90% of all officers in the armed forces were party or Komsomol members.

Military counterintelligence

Throughout the history of the Soviet Army, the Soviet secret police
Secret police
Secret police are a police agency which operates in secrecy and beyond the law to protect the political power of an individual dictator or an authoritarian political regime....

  (known variously as the Cheka
Cheka
Cheka was the first of a succession of Soviet state security organizations. It was created by a decree issued on December 20, 1917, by Vladimir Lenin and subsequently led by aristocrat-turned-communist Felix Dzerzhinsky...

, GPU
State Political Directorate
The State Political Directorate was the secret police of the Russian Soviet Federative Socialist Republic and the Soviet Union from 1922 until 1934...

, NKVD
NKVD
The People's Commissariat for Internal Affairs was the public and secret police organization of the Soviet Union that directly executed the rule of power of the Soviets, including political repression, during the era of Joseph Stalin....

, among many others) maintained control over the counterintelligence Special Departments (Особый отдел) that existed at all larger military formations. The best known was SMERSH
SMERSH
SMERSH was the counter-intelligence agency in the Red Army formed in late 1942 or even earlier, but officially founded on April 14, 1943. The name SMERSH was coined by Joseph Stalin...

  (1943–1946) created during the Great Patriotic War. While the staff of a Special Department of a regiment was generally known, it controlled a network of secret informants, both chekists and recruited ordinary military.

Political doctrine

Under the direction of Lenin and Trotsky, the Red Army claimed to adhere to Karl Marx
Karl Marx
Karl Heinrich Marx was a German philosopher, economist, sociologist, historian, journalist, and revolutionary socialist. His ideas played a significant role in the development of social science and the socialist political movement...

's proclamation that the bourgeoisie
Bourgeoisie
In sociology and political science, bourgeoisie describes a range of groups across history. In the Western world, between the late 18th century and the present day, the bourgeoisie is a social class "characterized by their ownership of capital and their related culture." A member of the...

 could be overcome only by a worldwide revolt of the proletariat
Proletariat
The proletariat is a term used to identify a lower social class, usually the working class; a member of such a class is proletarian...

, and to this end early Soviet military doctrine focused on spreading the revolution abroad and expanding Soviet influence throughout the world. Lenin provided an early experiment of Marx's theory when he invaded Poland in hopes of generating a communist uprising in neighboring Germany
German Revolution
The German Revolution was the politically-driven civil conflict in Germany at the end of World War I, which resulted in the replacement of Germany's imperial government with a republic...

. Lenin's Polish expedition only complemented his March 1919 establishment of the Comintern
Comintern
The Communist International, abbreviated as Comintern, also known as the Third International, was an international communist organization initiated in Moscow during March 1919...

, an organization whose sole purpose was to fight "by all available means, including armed force, for the overthrow of the international bourgeoisie and for the creation of an international Soviet republic as a transition stage to the complete abolition of the State."

In keeping with the Comintern philosophy, the Red Army forcibly suppressed the anti-Soviet Basmachi Revolt
Basmachi Revolt
The Basmachi movement or Basmachi Revolt was an uprising against Russian Imperial and Soviet rule by the Muslim, largely Turkic peoples of Central Asia....

 in Central Asia
Central Asia
Central Asia is a core region of the Asian continent from the Caspian Sea in the west, China in the east, Afghanistan in the south, and Russia in the north...

 in order to keep Turkestan
Turkestan
Turkestan, spelled also as Turkistan, literally means "Land of the Turks".The term Turkestan is of Persian origin and has never been in use to denote a single nation. It was first used by Persian geographers to describe the place of Turkish peoples...

 in the Soviet alliance system. In 1921, a Red Army occupation
Red Army invasion of Georgia
The Red Army invasion of Georgia also known as the Soviet–Georgian War or the Soviet invasion of Georgia was a military campaign by the Soviet Russian Red Army against the Democratic Republic of Georgia aimed at overthrowing the Social-Democratic government and installing the Bolshevik regime...

 of the Democratic Republic of Georgia
Democratic Republic of Georgia
The Democratic Republic of Georgia , 1918–1921, was the first modern establishment of a Republic of Georgia.The DRG was created after the collapse of the Russian Empire that began with the Russian Revolution of 1917...

 overthrew the representative Georgian government and replaced it with a Soviet Republic. Georgia was then forcibly merged with Armenia
Armenia
Armenia , officially the Republic of Armenia , is a landlocked mountainous country in the Caucasus region of Eurasia...

 and Azerbaijan
Azerbaijan
Azerbaijan , officially the Republic of Azerbaijan is the largest country in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west, and Iran to...

 in order to form the Transcaucasian SFSR
Transcaucasian SFSR
The Transcaucasian Socialist Federative Soviet Republic , also known as the Transcaucasian Soviet Federative Socialist Republic, the Transcaucasian SFSR and the TSFSR for short, was a short-lived republic of the Soviet Union, lasting from 1922 to 1936...

, a member state of the Soviet Union.

Military-party relations

During the 1930s, Joseph Stalin
Joseph Stalin
Joseph Vissarionovich Stalin was the Premier of the Soviet Union from 6 May 1941 to 5 March 1953. He was among the Bolshevik revolutionaries who brought about the October Revolution and had held the position of first General Secretary of the Communist Party of the Soviet Union's Central Committee...

's Five Year Plans
Five-Year Plan (USSR)
The Five-Year Plans for the National Economy of the Soviet Union were a series of nation-wide centralized exercises in rapid economic development in the Soviet Union. The plans were developed by a state planning committee based on the Theory of Productive Forces that was part of the general...

 and industrialization drive built the productive base necessary to modernize the Red Army. As the likelihood of war in Europe increased later in the decade, the Soviet Union tripled its military expenditures and doubled the size of its regular forces to match the power of its potential enemies.
In 1937, however, Stalin purged
Great Purge
The Great Purge was a series of campaigns of political repression and persecution in the Soviet Union orchestrated by Joseph Stalin from 1936 to 1938...

 the Red Army of its best military leaders. Fearing that the military posed a threat to his rule, Stalin jailed or executed many Red Army officers, estimated in thousands, including three of five marshals. These actions were to severely impair the Red Army's capabilities in the Soviet-Finnish War
Winter War
The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

 (Winter War) of 1939–1940 and in World War II.

Fearing the immense popularity of the armed forces after World War II, Stalin demoted war hero Marshal Georgy Zhukov
Georgy Zhukov
Marshal of the Soviet Union Georgy Konstantinovich Zhukov , was a Russian career officer in the Red Army who, in the course of World War II, played a pivotal role in leading the Red Army through much of Eastern Europe to liberate the Soviet Union and other nations from the Axis Powers' occupation...

 and took personal credit for having saved the country. After Stalin's death in 1953, Zhukov reemerged as a strong supporter of Nikita Khrushchev
Nikita Khrushchev
Nikita Sergeyevich Khrushchev led the Soviet Union during part of the Cold War. He served as First Secretary of the Communist Party of the Soviet Union from 1953 to 1964, and as Chairman of the Council of Ministers, or Premier, from 1958 to 1964...

. Khrushchev rewarded Zhukov by making him minister of defense and a full Politburo
Politburo
Politburo , literally "Political Bureau [of the Central Committee]," is the executive committee for a number of communist political parties.-Marxist-Leninist states:...

 member. Concern that the Soviet army might become too powerful in politics, however, led to Zhukov's abrupt dismissal in the autumn of 1957. Khrushchev later alienated the armed forces by cutting defense expenditures on conventional forces in order to carry out his plans for economic reform.

Leonid Brezhnev
Leonid Brezhnev
Leonid Ilyich Brezhnev  – 10 November 1982) was the General Secretary of the Central Committee of the Communist Party of the Soviet Union , presiding over the country from 1964 until his death in 1982. His eighteen-year term as General Secretary was second only to that of Joseph Stalin in...

's years in power marked the height of party-military cooperation as he provided ample resources to the armed forces. In 1973 the minister of defense became a full Politburo member for the first time since 1957. Yet Brezhnev evidently felt threatened by the professional military, and he sought to create an aura of military leadership around himself in an effort to establish his authority over the armed forces.

In the early 1980s, party-military relations became strained over the issue of resource allocations to the armed forces. Despite a downturn in economic growth, the armed forces argued, often to no avail, for more resources to develop advanced conventional weapons.

Mikhail Gorbachev
Mikhail Gorbachev
Mikhail Sergeyevich Gorbachev is a former Soviet statesman, having served as General Secretary of the Communist Party of the Soviet Union from 1985 until 1991, and as the last head of state of the USSR, having served from 1988 until its dissolution in 1991...

 downgraded the role of the military in state ceremonies, including moving military representatives to the end of the leadership line-up atop Lenin's Mausoleum
Lenin's Mausoleum
Lenin's Mausoleum also known as Lenin's Tomb, situated in Red Square in the center of Moscow, is the mausoleum that serves as the current resting place of Vladimir Lenin. His embalmed body has been on public display there since shortly after his death in 1924...

 during the annual Red Square
Red Square
Red Square is a city square in Moscow, Russia. The square separates the Kremlin, the former royal citadel and currently the official residence of the President of Russia, from a historic merchant quarter known as Kitai-gorod...

 military parade commemorating the October Revolution. Instead, Gorbachev emphasized civilian economic priorities and reasonable sufficiency in defense over the professional military's perceived requirements.

Military doctrine

The Russian army was defeated in the First World War
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

, a fact which strongly shaped the early stages of Red Army development. While the armies of Britain and France were content to retain strategies which had made them victorious, the Red Army proceeded to experiment and develop new tactics and concepts, developing parallel to the reborn German armed forces
Wehrmacht
The Wehrmacht – from , to defend and , the might/power) were the unified armed forces of Nazi Germany from 1935 to 1945. It consisted of the Heer , the Kriegsmarine and the Luftwaffe .-Origin and use of the term:...

. The Soviets viewed themselves as a nation unique to human history and thus felt no loyalty to previous military tradition, an ideology which allowed for and prioritized innovation.

From its conception, the Red Army committed itself to emphasizing highly mobile warfare. This decision was influenced by the formative wars of its history, namely the Russian Civil War
Russian Civil War
The Russian Civil War was a multi-party war that occurred within the former Russian Empire after the Russian provisional government collapsed to the Soviets, under the domination of the Bolshevik party. Soviet forces first assumed power in Petrograd The Russian Civil War (1917–1923) was a...

 and the Polish-Soviet War
Polish-Soviet War
The Polish–Soviet War was an armed conflict between Soviet Russia and Soviet Ukraine and the Second Polish Republic and the Ukrainian People's Republic—four states in post–World War I Europe...

. Both of these conflicts had little in common with the static trench warfare
Trench warfare
Trench warfare is a form of occupied fighting lines, consisting largely of trenches, in which troops are largely immune to the enemy's small arms fire and are substantially sheltered from artillery...

 of the First World War. Instead, they featured long range mobile operations, often by small but highly motivated forces, as well as rapid advances of hundreds of kilometers in a matter of days.

Under Lenin's New Economic Policy
New Economic Policy
The New Economic Policy was an economic policy proposed by Vladimir Lenin, who called it state capitalism. Allowing some private ventures, the NEP allowed small animal businesses or smoke shops, for instance, to reopen for private profit while the state continued to control banks, foreign trade,...

, the Soviet Union had few resources to devote to the Red Army during its formative years in the 1920s. This changed only when Stalin began the industrialisation
Industrialisation
Industrialization is the process of social and economic change that transforms a human group from an agrarian society into an industrial one...

 drive in 1929, a policy created in part to allow for unprecedented funds to be dedicated to the military.
Using these new resources, the Red Army of the 1930s developed a highly sophisticated concept of mobile warfare which relied on huge formations of tank
Tank
A tank is a tracked, armoured fighting vehicle designed for front-line combat which combines operational mobility, tactical offensive, and defensive capabilities...

s, aircraft, and airborne troops
VDV
The Russian Airborne Troops or VDV is a military branch of service of the Russian Military, on par with the Strategic Rocket Forces and the Russian Space Forces...

 designed to break through the enemy's line and carry the battle deep to the enemy's rear.
Soviet industry responded, supplying tanks, aircraft and other equipment in sufficient numbers to make such operations practical. To avoid overestimating the power of the Soviet army, it should be noted that, while before 1941 Soviet formations of a given level were at least equal to and often stronger than equivalent formations of other armies, huge wartime losses and reorganisation based on war experience reversed the trend during the later war years. Thus, for example, the Soviet Tank Corps was equivalent in armored vehicle power to an American armored division, and a Soviet rifle (infantry) division, unless specifically reinforced, was often equivalent to an American infantry regiment.

The Soviets developed their armament factories under the assumption that during the war they would have to rebuild the whole equipment of the ground and air forces many times over. This assumption was indeed proven correct during the four-year-long war.

The Red Army's focus on mobile operations in the early 1930s was gravely disrupted by Stalin's purge of the military's leadership
Great Purge
The Great Purge was a series of campaigns of political repression and persecution in the Soviet Union orchestrated by Joseph Stalin from 1936 to 1938...

. Since the new doctrines were associated with officers who had been declared enemies of the state, the support for them declined. Many large mechanised formations were disbanded, with the tanks distributed to support the infantry. After the German blitzkrieg
Blitzkrieg
For other uses of the word, see: Blitzkrieg Blitzkrieg is an anglicized word describing all-motorised force concentration of tanks, infantry, artillery, combat engineers and air power, concentrating overwhelming force at high speed to break through enemy lines, and, once the lines are broken,...

 proved its potency in Poland and France, the Red Army started a frantic effort to rebuild the large mechanised corps, but the task was only partly finished when the Wehrmacht attacked in 1941. The huge tank forces, powerful only on paper, were mostly annihilated by the Germans in the first months of Operation Barbarossa
Operation Barbarossa
Operation Barbarossa was the code name for Germany's invasion of the Soviet Union during World War II that began on 22 June 1941. Over 4.5 million troops of the Axis powers invaded the USSR along a front., the largest invasion in the history of warfare...

.
Another factor contributing to the initial defeat was that the Soviet post-WWI rearmament effort was started too early, and in 1941 the majority of Soviet equipment was obsolete and inferior to that of the Wehrmacht.

In the initial period of the war, in the face of catastrophic losses, the Red Army drastically scaled down its armored formations, with the tank brigade becoming the largest commonly deployed armored unit, and reverted to a simpler mode of operations. Nevertheless, the revolutionary doctrines of the 1930s, modified by combat experience, were eventually successfully used at the front starting in 1943 after the Red Army regained the initiative.

Interwar period

Following the death of Lenin, the Soviet Union was enmeshed in a struggle for succession that pitted Trotsky and his policy of "world revolution" against Stalin and his policy of "socialism in one country
Socialism in One Country
Socialism in One Country was a theory put forth by Joseph Stalin in 1924, elaborated by Nikolai Bukharin in 1925 and finally adopted as state policy by Stalin...

." Thanks to his control over and support from the Party and state bureaucracy, Stalin prevailed and Trotsky was removed as war commissar in 1925, resulting in a turn away from the policy of spreading the revolution abroad in favour of focusing on domestic issues and defending the country against the possibility of foreign invasion.

Eager to dispose of Trotsky's political and military supporters, Stalin directed the execution of eight high-ranking generals between 1935 and 1938. Primary among these was Marshal Mikhail Tukhachevsky
Mikhail Tukhachevsky
Mikhail Nikolayevich Tukhachevsky was a Marshal of the Soviet Union, commander in chief of the Red Army , and one of the most prominent victims of Joseph Stalin's Great Purge.-Early life:...

, leader of the Soviet invasion of Poland.

Despite Stalin's isolationist policies, and even though the Soviet Union
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

's borders would remain static for fifteen years following Lenin's death, the Soviets continued to involve themselves in international affairs, and the Comintern
Comintern
The Communist International, abbreviated as Comintern, also known as the Third International, was an international communist organization initiated in Moscow during March 1919...

 was instrumental in establishing the Communist parties of China
Republic of China
The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

 in 1921 and Indochina
French Indochina
French Indochina was part of the French colonial empire in southeast Asia. A federation of the three Vietnamese regions, Tonkin , Annam , and Cochinchina , as well as Cambodia, was formed in 1887....

 in 1930. Additionally, the Red Army played a crucial role in the Spanish Civil War
Spanish Civil War
The Spanish Civil WarAlso known as The Crusade among Nationalists, the Fourth Carlist War among Carlists, and The Rebellion or Uprising among Republicans. was a major conflict fought in Spain from 17 July 1936 to 1 April 1939...

, supplying over 1,000 aircraft, 900 tanks, 1,500 artillery pieces, 300 armored cars, hundreds of thousands of small arms and 30,000 tons of ammunition to the Republican
Second Spanish Republic
The Second Spanish Republic was the government of Spain between April 14 1931, and its destruction by a military rebellion, led by General Francisco Franco....

 cause.

Soviet participation in the Spanish Civil War was greatly influenced by the growing tension between Stalin and Adolf Hitler
Adolf Hitler
Adolf Hitler was an Austrian-born German politician and the leader of the National Socialist German Workers Party , commonly referred to as the Nazi Party). He was Chancellor of Germany from 1933 to 1945, and head of state from 1934 to 1945...

, the leader of Nazi Germany
Nazi Germany
Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

 and an avid supporter of the fascist
Fascism
Fascism is a radical authoritarian nationalist political ideology. Fascists seek to rejuvenate their nation based on commitment to the national community as an organic entity, in which individuals are bound together in national identity by suprapersonal connections of ancestry, culture, and blood...

 forces of Francisco Franco
Francisco Franco
Francisco Franco y Bahamonde was a Spanish general, dictator and head of state of Spain from October 1936 , and de facto regent of the nominally restored Kingdom of Spain from 1947 until his death in November, 1975...

. Nazi-Soviet relations were tempered by Hitler's personal hatred of the people of East Europe and by the longstanding ideological feud between fascism and communism. Direct armed conflict between Germany and the Soviet Union was delayed by the signing of the Molotov-Ribbentrop Pact
Molotov-Ribbentrop Pact
The Molotov–Ribbentrop Pact, named after the Soviet foreign minister Vyacheslav Molotov and the German foreign minister Joachim von Ribbentrop, was an agreement officially titled the Treaty of Non-Aggression between Germany and the Soviet Union and signed in Moscow in the late hours of 23 August 1939...

 on August 23, 1939, which essentially divided the nations of Eastern Europe into two spheres of interest, one belonging to the Soviets and the other to the Nazis.

The Soviet Union sold arms to the Governor of Xinjiang
Xinjiang
Xinjiang is an autonomous region of the People's Republic of China. It is the largest Chinese administrative division and spans over 1.6 million km2...

 province of the Republic of China
Republic of China
The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

, Jin Shuren
Jin Shuren
Jin Shuren , governor of Xinjiang, succeeded Yang Zengxin after Yang was assassinated in 1928. Jin ruled Xinjiang for about half a decade, and his reign was characterized by corruption and suppression. Under his rule, both ethnic and religion conflicts were greatly deepened, resulting in numerous...

, and help install his successor Sheng Shicai
Sheng Shicai
Sheng Shicai was a Chinese warlord who "ruled" Xinjiang province from April 12, 1933 to August 29, 1944....

 in 1934 as their puppet governor. They intervened militarily in an invasion of Xinjiang
Soviet Invasion of Xinjiang
The Soviet invasion of Xinjiang was a military campaign in the Chinese northwestern region of Xinjiang in 1934. White Russian forces assisted the Soviet Red Army.- Background :...

 against the Chinese Muslims
Hui people
The Hui people are an ethnic group in China, defined as Chinese speaking people descended from foreign Muslims. They are typically distinguished by their practice of Islam, however some also practice other religions, and many are direct descendants of Silk Road travelers.In modern People's...

 36th Division (National Revolutionary Army)
36th Division (National Revolutionary Army)
The 36th Division was a cavalry division in the National Revolutionary Army. It was created in 1932 by the Kuomintang for General Ma Zhongying, who was also its first commander. It was made almost entirely out of Hui Muslim troops, all of its officers were Hui, with a few thousand Uighurs forced...

 and Han chinese
Han Chinese
Han Chinese are an ethnic group native to China and are the largest single ethnic group in the world.Han Chinese constitute about 92% of the population of the People's Republic of China , 98% of the population of the Republic of China , 78% of the population of Singapore, and about 20% of the...

 troops led by the Chinese Muslim General Ma Zhongying
Ma Zhongying
Ma Zhongying, also Ma Chung-ying was a Tungan Chinese Muslim warlord during the Warlord era of China. Ma Zhongying's birth name was Ma Buying . Zhongying was a warlord of Gansu province in China during the 1930s. He allied himself with the Kuomintang, which gave his soldiers an official...

 and the Han chinese
Han Chinese
Han Chinese are an ethnic group native to China and are the largest single ethnic group in the world.Han Chinese constitute about 92% of the population of the People's Republic of China , 98% of the population of the Republic of China , 78% of the population of Singapore, and about 20% of the...

 general Zhang Peiyuan
Zhang Peiyuan
Zhang Peiyuan was a Han chinese general, commander of the Ili garrison. He fought against Uighur and Tungans during the Kumul revolt, but then secretly negotiated with the Tungan general, Ma Zhongying to form an alliance against Sheng Shicai and the Soviet Union. Zhang's army had about 3,000...

 when they were on the verge of defeating Sheng's manchurian and white Russian troops. 2 brigades of 7,000 men, armed with tanks, planes, mustard gas, and armored cars were the Soviet forces which invaded. After fierce fighting, in which mustard gas was used by the Soviet Union at the Battle of Tutung
Battle of Tutung
The Battle of Tutung occurred when Ma Zhongying's Chinese Muslim 36th Division was attacked by the Soviet Russian Red Army on the banks of the frozen Tutung river. The battle took place over multiple days, where the Soviet bombers used mustard gas...

, Ma Zhongying retreated and Zhang committed suicide to avoid capture. During the battle, the chinese Muslims reportedly dressed up in sheepskins and stormed Soviet machine guns posts with swords. Ma encountered a Red Army column at the Battle of Dawan Cheng
Battle of Dawan Cheng
The Battle of Dawan Cheng occurred when Ma Zhongying's Chinese Muslim 36th Division encountered a Soviet Russian Red Army armoured car column. The 36th division was withdrawing, chased by of White Russian, Mongol, and colloborationist Chinese forces...

 and wiped out the entire column, his Muslim troops rolled the wrecked Soviet armored cars off the mountainside. The Soviet Union intervened again in the Xinjiang War (1937)
Xinjiang War (1937)
In 1937, an Islamic rebellion broke out in southern Xinjiang. The rebels were 1,500 Uighurs and Tungans led by Kichik Akhund, against the pro-Soviet provincial forces of Sheng Shicai.- Start of rebellion :...

, invading with 5,000 troops and using planes with mustard gas.

In late 1930s, Soviet Union was no longer satisfied with the status quo
Status quo
Statu quo, a commonly used form of the original Latin "statu quo" – literally "the state in which" – is a Latin term meaning the current or existing state of affairs. To maintain the status quo is to keep the things the way they presently are...

 in its relations with independent countries of Finland
Finland
Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

, Estonia
Estonia
Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...

, Latvia
Latvia
Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...

, Lithuania
Lithuania
Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the biggest of the three Baltic states. It is situated along the southeastern shore of the Baltic Sea, whereby to the west lie Sweden and Denmark...

, Poland
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 and Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

. This came as a result of a change in Soviet foreign policy. The Molotov-Ribbentrop Pact gave a great opportunity to recover the provinces of Imperial Russia lost during the chaos of the October Revolution
October Revolution
The October Revolution , also known as the Great October Socialist Revolution , Red October, the October Uprising or the Bolshevik Revolution, was a political revolution and a part of the Russian Revolution of 1917...

 and the Russian Civil War
Russian Civil War
The Russian Civil War was a multi-party war that occurred within the former Russian Empire after the Russian provisional government collapsed to the Soviets, under the domination of the Bolshevik party. Soviet forces first assumed power in Petrograd The Russian Civil War (1917–1923) was a...

. As a result of this pact, on 1 September, the Germans invaded Poland
Invasion of Poland (1939)
The Invasion of Poland, also known as the September Campaign or 1939 Defensive War in Poland and the Poland Campaign in Germany, was an invasion of Poland by Germany, the Soviet Union, and a small Slovak contingent that marked the start of World War II in Europe...

 from the west. When the Poles were close to defeat and the Polish government left the country, on 17 September the Red Army invaded Poland
Soviet invasion of Poland
Soviet invasion of Poland can refer to:* the second phase of the Polish-Soviet War of 1920 when Soviet armies marched on Warsaw, Poland* Soviet invasion of Poland of 1939 when Soviet Union allied with Nazi Germany attacked Second Polish Republic...

 from the east to regain the territories populated mostly by ethnic Belarusians and Ukrainians.

Next, Soviet Union sent ultimatum
Ultimatum
An ultimatum is a demand whose fulfillment is requested in a specified period of time and which is backed up by a threat to be followed through in case of noncompliance. An ultimatum is generally the final demand in a series of requests...

s to the Baltic states
Baltic states
The term Baltic states refers to the Baltic territories which gained independence from the Russian Empire in the wake of World War I: primarily the contiguous trio of Estonia, Latvia, Lithuania ; Finland also fell within the scope of the term after initially gaining independence in the 1920s.The...

 and gained control in September and October. The Soviet Union had negotiated with the Finns
Background of the Winter War
The background of the Winter War covers the period before the outbreak of the Winter War between Finland and the Soviet Union in 1939–1940, stretching from Finland's Declaration of Independence in 1917 to the Soviet-Finnish negotiations in 1938–1939. Before its independence, Finland was an...

 for over a year, but they refused Soviet demands, and the Red Army assaulted on 30 November 1939 starting the Winter War
Winter War
The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

. Simultaneously, a puppet regime, called the Finnish Democratic Republic
Finnish Democratic Republic
The Finnish Democratic Republic was a short-lived government dependent on and recognised only by the Soviet Union. It nominally operated in those parts of Finnish Karelia that were occupied by the Soviet Union during the Winter War....

, was set by the Soviets. The initial period of the resulting war proved disastrous for the Soviet military. As a direct result of the Soviet aggression the Soviet Union was expelled from the League of Nations
League of Nations
The League of Nations was an intergovernmental organization founded as a result of the Paris Peace Conference that ended the First World War. It was the first permanent international organization whose principal mission was to maintain world peace...

 on December 14, 1939. The Red Army faced a disastrously under-estimated opponent, suffering a series of embarrassing defeats.

However in 1940 the Soviets reorganized their forces and mauled the enemy in a final great offensive. Mannerheim, the Finnish commander, then advised his government to negotiate peace on Soviet terms. Recognizing that they had lost the war, the Finns wisely chose to settle early with the Soviets, while there was still potential for a relatively lenient peace treaty. In the end, the Finns retained their independence, but ceded huge tracts of territory, and resources, to the victorious Soviets.

World War II

The Molotov-Ribbentrop Pact
Molotov-Ribbentrop Pact
The Molotov–Ribbentrop Pact, named after the Soviet foreign minister Vyacheslav Molotov and the German foreign minister Joachim von Ribbentrop, was an agreement officially titled the Treaty of Non-Aggression between Germany and the Soviet Union and signed in Moscow in the late hours of 23 August 1939...

 of August 1939 established a non-aggression treaty between Nazi Germany and the Soviet Union, with a secret protocol describing how Poland and the Baltic countries would be divided between them. In the Invasion of Poland
Invasion of Poland (1939)
The Invasion of Poland, also known as the September Campaign or 1939 Defensive War in Poland and the Poland Campaign in Germany, was an invasion of Poland by Germany, the Soviet Union, and a small Slovak contingent that marked the start of World War II in Europe...

 of 1939 the two powers invaded and partitioned Poland, and in June 1940 the Soviet Union also occupied Estonia, Latvia and Lithuania.

The Red Army had little time to correct its numerous deficiencies before Nazi Germany and other Axis countries allied with it swept across the newly-relocated Soviet border on June 22, 1941, in the opening stages of Operation Barbarossa
Operation Barbarossa
Operation Barbarossa was the code name for Germany's invasion of the Soviet Union during World War II that began on 22 June 1941. Over 4.5 million troops of the Axis powers invaded the USSR along a front., the largest invasion in the history of warfare...

. The Soviets' poor performance in the Winter War against Finland encouraged Hitler to ignore the terms of the Molotov-Ribbentrop Pact and take the Red Army by surprise. During the initial stages of the war, Soviet forces were often ordered to stand their ground despite limited defensive capabilities, resulting in numerous encirclements and correspondingly high numbers of casualties.

The United States program of lend-lease
Lend-Lease
Lend-Lease was the program under which the United States of America supplied the United Kingdom, the Soviet Union, China, Free France, and other Allied nations with materiel between 1941 and 1945. It was signed into law on March 11, 1941, a year and a half after the outbreak of war in Europe in...

 was extended to the Soviet Union in September 1941, supplying planes, tanks, trucks and other war materials. Eventually the Soviets managed to slow the Wehrmacht
Wehrmacht
The Wehrmacht – from , to defend and , the might/power) were the unified armed forces of Nazi Germany from 1935 to 1945. It consisted of the Heer , the Kriegsmarine and the Luftwaffe .-Origin and use of the term:...

's blitzkrieg
Blitzkrieg
For other uses of the word, see: Blitzkrieg Blitzkrieg is an anglicized word describing all-motorised force concentration of tanks, infantry, artillery, combat engineers and air power, concentrating overwhelming force at high speed to break through enemy lines, and, once the lines are broken,...

, halting the Nazi offensive in December 1941 outside the gates of Moscow
Moscow
Moscow is the capital, the most populous city, and the most populous federal subject of Russia. The city is a major political, economic, cultural, scientific, religious, financial, educational, and transportation centre of Russia and the continent...

, in part because mobilized troops with winterized clothing from Siberia were transferred from there after Stalin realized that Japan was not going to attack the USSR (Japan had just attacked Pearl Harbor). The Red Army launched a powerful winter counteroffensive which pushed the Germans back from the outskirts of Moscow. At the start of 1942, the weakened Axis armies abandoned their march on Moscow and advanced south towards the Caucasus
Caucasus
The Caucasus, also Caucas or Caucasia , is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea...

 and Volga river. This offensive, in turn, ran out of steam in autumn 1942, allowing the Soviet forces to stage a devastating counteroffensive on the overextended enemy. The Red Army encircled and destroyed significant German forces at the Battle of Stalingrad
Battle of Stalingrad
The Battle of Stalingrad was a major battle of World War II in which Nazi Germany and its allies fought the Soviet Union for control of the city of Stalingrad in southwestern Russia. The battle took place between 23 August 1942 and 2 February 1943...

, which ended in February 1943 and reversed the tide of the war in Europe.

In the summer of 1943, following the Battle of Kursk
Battle of Kursk
The Battle of Kursk took place when German and Soviet forces confronted each other on the Eastern Front during World War II in the vicinity of the city of Kursk, in the Soviet Union in July and August 1943. It remains both the largest series of armored clashes, including the Battle of Prokhorovka,...

, the Red Army seized the strategic initiative for the remainder of the war. All Soviet territory was liberated from Axis occupation by 1944. After having driven the Axis armies out of Eastern Europe, in May 1945 the Red Army launched its assault on Berlin
Battle of Berlin
The Battle of Berlin, designated the Berlin Strategic Offensive Operation by the Soviet Union, was the final major offensive of the European Theatre of World War II....

, which effectively ended World War II in Europe (see V-E Day). Much of Eastern Europe and even parts of the USSR were devastated by Red Army troops as a result of an aggressive policy of "scorched earth
Scorched earth
A scorched earth policy is a military strategy or operational method which involves destroying anything that might be useful to the enemy while advancing through or withdrawing from an area...

". Once Germany had surrendered, the Red Army joined the war against Japan
Empire of Japan
The Empire of Japan is the name of the state of Japan that existed from the Meiji Restoration on 3 January 1868 to the enactment of the post-World War II Constitution of...

, and in summer 1945 carried out an offensive against Japanese forces stationed in northern Manchuria
Manchuria
Manchuria is a historical name given to a large geographic region in northeast Asia. Depending on the definition of its extent, Manchuria usually falls entirely within the People's Republic of China, or is sometimes divided between China and Russia. The region is commonly referred to as Northeast...

. The Red Army emerged from the war as the most powerful land army in history with five million soldiers, and more tanks and artillery than all other countries combined. Its name was changed to the Soviet Army.

The defeat of the Wehrmacht had come, however, at the cost of over eight million soldiers and as much as fifteen million civilians dead, by far the highest losses of any country during the war. This is believed to be the highest human death toll from any military conflict.

The Cold War and conventional forces

By the end of World War II, the Soviet Union had a standing army of 10 to 13 million men. During the war, the Red Army was perceived by far more powerful than any other country. Immediately following Germany's surrender, this number was reduced to five million; this decline was indicative not of diminishing interest in the Soviet military but rather of a growing interest in establishing more modern and mobile armed forces. This policy resulted in the 1951 introduction of the AK-47
AK-47
The AK-47 is a selective-fire, gas-operated 7.62×39mm assault rifle, first developed in the Soviet Union by Mikhail Kalashnikov. It is officially known as Avtomat Kalashnikova . It is also known as a Kalashnikov, an "AK", or in Russian slang, Kalash.Design work on the AK-47 began in the last year...

, designed four years earlier as an improvement on the submachine gun
Submachine gun
A submachine gun is an automatic carbine, designed to fire pistol cartridges. It combines the automatic fire of a machine gun with the cartridge of a pistol. The submachine gun was invented during World War I , but the apex of its use was during World War II when millions of the weapon type were...

 which supplied Soviet infantry with a rugged and reliable source of short-range firepower. Also important was the 1967 introduction of the BMP-1
BMP-1
The BMP-1 is a Soviet amphibious tracked infantry fighting vehicle. BMP stands for Boyevaya Mashina Pekhoty 1 , meaning "infantry fighting vehicle". The BMP-1 was the world's first mass-produced infantry fighting vehicle...

, the first infantry fighting vehicle
Infantry fighting vehicle
An infantry fighting vehicle , also known as a mechanized infantry combat vehicle , is a type of armoured fighting vehicle used to carry infantry into battle and provide fire support for them...

 commissioned by any armed force in the world. These innovations would help direct the course of Soviet military operations throughout the Cold War.

The Soviet military assisted the Second East Turkestan Republic
Second East Turkestan Republic
The Second East Turkestan Republic, usually known simply as the East Turkestan Republic , was a short-lived Soviet-backed Turkic people's republic which existed in the 1940s in three northern districts of Xinjiang province of the Republic of China, what is now the Xinjiang Uyghur Autonomous...

 during the Ili Rebellion.

The Mongolian People's Republic became involted in a border dispute with the Republic of China during the Pei-ta-shan Incident, Soviet Russian and Mongol forces attempted to occupy and raid Chinese territory, in response, a Chinese Muslim Hui
Hui people
The Hui people are an ethnic group in China, defined as Chinese speaking people descended from foreign Muslims. They are typically distinguished by their practice of Islam, however some also practice other religions, and many are direct descendants of Silk Road travelers.In modern People's...

 cavalry regiment, the 14th Tungan Tungan Cavalry regiment was sent by the Chinese government to attack Mongol and Soviet positions.

Many of the Soviet forces who fought to liberate the countries of Eastern Europe from Nazi control remained in the region even after Germany's surrender in 1945. Stalin used this military occupation to establish satellite states, creating a buffer zone between Germany and the Soviet Union. The Soviets quickly became an enormous political and economic influence in the region and the Soviet Union actively assisted local communist parties in coming to power. By 1948, seven eastern European countries had communist governments.

In this setting, the Cold War emerged out of a conflict between Stalin and U.S. President Harry S. Truman
Harry S. Truman
Harry S. Truman was the 33rd President of the United States . As President Franklin D. Roosevelt's third vice president and the 34th Vice President of the United States , he succeeded to the presidency on April 12, 1945, when President Roosevelt died less than three months after beginning his...

 over the future of Eastern Europe during the Potsdam Conference
Potsdam Conference
The Potsdam Conference was held at Cecilienhof, the home of Crown Prince Wilhelm Hohenzollern, in Potsdam, occupied Germany, from 16 July to 2 August 1945. Participants were the Soviet Union, the United Kingdom, and the United States...

 in 1945. Truman charged that Stalin had betrayed the agreement made at the Yalta Conference
Yalta Conference
The Yalta Conference, sometimes called the Crimea Conference and codenamed the Argonaut Conference, held February 4–11, 1945, was the wartime meeting of the heads of government of the United States, the United Kingdom, and the Soviet Union, represented by President Franklin D...

. With Eastern Europe under Red Army occupation, the Soviet Union remained adamant in the face Truman's attempt to stop Communist expansion, and in 1955 Moscow introduced the Warsaw Pact
Warsaw Pact
The Warsaw Treaty Organization of Friendship, Cooperation, and Mutual Assistance , or more commonly referred to as the Warsaw Pact, was a mutual defense treaty subscribed to by eight communist states in Eastern Europe...

 to counterbalance the Western NATO alliance.

Conventional military power showed its continued influence when the Soviet Union used its troops to invade Hungary in 1956
1956 Hungarian Revolution
The Hungarian Revolution or Uprising of 1956 was a spontaneous nationwide revolt against the government of the People's Republic of Hungary and its Soviet-imposed policies, lasting from 23 October until 10 November 1956....

 and Czechoslovakia in 1968 to suppress the democratic aspirations of their peoples and keep these countries within the Soviet regime. The Soviet Union and the western forces, led by the US, faced a number of standoffs that threatened to turn into live conflicts, such as the Berlin Blockade
Berlin Blockade
The Berlin Blockade was one of the first major international crises of the Cold War and the first resulting in casualties. During the multinational occupation of post-World War II Germany, the Soviet Union blocked the Western Allies' railway and road access to the sectors of Berlin under Allied...

 of 1948-1949 and the Cuban Missile Crisis
Cuban Missile Crisis
The Cuban Missile Crisis was a confrontation among the Soviet Union, Cuba and the United States in October 1962, during the Cold War...

 of 1962, which saw "hawks" on both sides push the respective rivals closer towards war due to policies of brinksmanship. This attitude was tempered by fears of a nuclear conflict and desires among moderates for détente
Détente
Détente is the easing of strained relations, especially in a political situation. The term is often used in reference to the general easing of relations between the Soviet Union and the United States in the 1970s, a thawing at a period roughly in the middle of the Cold War...

.

Under Khrushchev's leadership, Soviet relations with Josip Broz Tito
Josip Broz Tito
Marshal Josip Broz Tito – 4 May 1980) was a Yugoslav revolutionary and statesman. While his presidency has been criticized as authoritarian, Tito was a popular public figure both in Yugoslavia and abroad, viewed as a unifying symbol for the nations of the Yugoslav federation...

's Yugoslavia
Socialist Federal Republic of Yugoslavia
The Socialist Federal Republic of Yugoslavia was the Yugoslav state that existed from the abolition of the Yugoslav monarchy until it was dissolved in 1992 amid the Yugoslav Wars. It was a socialist state and a federation made up of six socialist republics: Bosnia and Herzegovina, Croatia,...

 were finally repaired with the 1956 dissolution of the Cominform
Cominform
Founded in 1947, Cominform is the common name for what was officially referred to as the Information Bureau of the Communist and Workers' Parties...

. This decision generated a further rift between the Soviet Union and the People's Republic of China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

, a neighboring communist state which felt the Soviets were turning their back on the fundamental Marxist-Leninist
Marxism-Leninism
Marxism–Leninism is a communist ideology, officially based upon the theories of Marxism and Vladimir Lenin, that promotes the development and creation of a international communist society through the leadership of a vanguard party over a revolutionary socialist state that represents a dictatorship...

 struggle for the worldwide triumph of communism. This Sino-Soviet split
Sino-Soviet split
In political science, the term Sino–Soviet split denotes the worsening of political and ideologic relations between the People's Republic of China and the Union of Soviet Socialist Republics during the Cold War...

 erupted in 1967 when the Red Guard
Red Guards (China)
Red Guards were a mass movement of civilians, mostly students and other young people in the People's Republic of China , who were mobilized by Mao Zedong in 1966 and 1967, during the Cultural Revolution.-Origins:...

 besieged the Soviet embassy in Beijing
Beijing
Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's...

. Additional conflicts along the Sino-Soviet border followed in 1969.

Tension between the political forces in Moscow and Beijing would greatly influence Asian politics during the 1960s and 1970s, and a microcosm of the Sino-Soviet split emerged when the by-then late-Ho Chi Minh
Ho Chi Minh
Hồ Chí Minh , born Nguyễn Sinh Cung and also known as Nguyễn Ái Quốc, was a Vietnamese Marxist-Leninist revolutionary leader who was prime minister and president of the Democratic Republic of Vietnam...

's Soviet-aligned Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 invaded Pol Pot
Pol Pot
Saloth Sar , better known as Pol Pot, , was a Cambodian Maoist revolutionary who led the Khmer Rouge from 1963 until his death in 1998. From 1976 to 1979, he served as the Prime Minister of Democratic Kampuchea....

's pro-Chinese Cambodia
Cambodia
Cambodia , officially known as the Kingdom of Cambodia, is a country located in the southern portion of the Indochina Peninsula in Southeast Asia...

 in 1978. The Soviets had ensured the loyalty of Vietnam and Laos
Laos
Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west...

 through an aggressive campaign of political, economic and military aid – the same tactic which allowed the Soviet Union to compete with the United States in a race to establish themselves as neocolonial rulers of newly independent states in Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

 and the Middle East
Middle East
The Middle East is a region that encompasses Western Asia and Northern Africa. It is often used as a synonym for Near East, in opposition to Far East...

. Extensive arms sales made weapons like the AK-47
AK-47
The AK-47 is a selective-fire, gas-operated 7.62×39mm assault rifle, first developed in the Soviet Union by Mikhail Kalashnikov. It is officially known as Avtomat Kalashnikova . It is also known as a Kalashnikov, an "AK", or in Russian slang, Kalash.Design work on the AK-47 began in the last year...

 and the T-55
T-55
The T-54 and T-55 tanks were a series of main battle tanks designed in the Soviet Union. The first T-54 prototype appeared in March 1945, just before the end of the Second World War. The T-54 entered full production in 1947 and became the main tank for armored units of the Soviet Army, armies of...

 tank icons of the contemporary wars between Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

 and its Arab neighbors.

Also significant was the 1968 declaration of the Brezhnev Doctrine
Brezhnev Doctrine
The Brezhnev Doctrine was a Soviet Union foreign policy, first and most clearly outlined by S. Kovalev in a September 26, 1968 Pravda article, entitled “Sovereignty and the International Obligations of Socialist Countries.” Leonid Brezhnev reiterated it in a speech at the Fifth Congress of the...

 which officially asserted the Soviet Union's right to intervene in other nation's internal affairs in order to secure socialism from opposing capitalist forces. This doctrine was used to justify the Soviet invasion of Afghanistan in 1979. In Afghanistan the Soviet forces met a fierce resistance from the Afgans who were supported by the CIA. Battling an opposition that relied on guerrilla tactics
Guerrilla warfare
Guerrilla warfare is a form of irregular warfare and refers to conflicts in which a small group of combatants including, but not limited to, armed civilians use military tactics, such as ambushes, sabotage, raids, the element of surprise, and extraordinary mobility to harass a larger and...

 and asymmetric warfare
Asymmetric warfare
Asymmetric warfare is war between belligerents whose relative military power differs significantly, or whose strategy or tactics differ significantly....

, the massive Soviet war machine proved incapable of achieving decisive victories and the entire campaign quickly devolved into a quagmire not unlike that which the U.S. faced a decade earlier in the Vietnam War
Vietnam War
The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

. After ten years of fighting at the cost of approximately 20 billion dollars a year (in 1986 United States dollar
United States dollar
The United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....

s) and 15,000 Soviet casualties, Gorbachev surrendered to public opinion and ordered troops to withdraw in early 1989.

The Cold War and nuclear weapons

The Soviet Union tested their first atomic bomb codenamed "First Lightning" on 29 August 1949, four years after the atomic bombings of Hiroshima and Nagasaki
Atomic bombings of Hiroshima and Nagasaki
During the final stages of World War II in 1945, the United States conducted two atomic bombings against the cities of Hiroshima and Nagasaki in Japan, the first on August 6, 1945, and the second on August 9, 1945. These two events are the only use of nuclear weapons in war to date.For six months...

, surprising many Western commentators who had expected the U.S. monopoly to last for some time longer. It soon came out that the Soviet atomic bomb project
Soviet atomic bomb project
The Soviet project to develop an atomic bomb , was a clandestine research and development program began during and post-World War II, in the wake of the Soviet Union's discovery of the United States' nuclear project...

 had received a considerable amount of espionage
Espionage
Espionage or spying involves an individual obtaining information that is considered secret or confidential without the permission of the holder of the information. Espionage is inherently clandestine, lest the legitimate holder of the information change plans or take other countermeasures once it...

 information about the wartime Manhattan Project
Manhattan Project
The Manhattan Project was a research and development program, led by the United States with participation from the United Kingdom and Canada, that produced the first atomic bomb during World War II. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the US Army...

, and that its first bomb was largely a purposeful copy of the U.S. "Fat Man
Fat Man
"Fat Man" is the codename for the atomic bomb that was detonated over Nagasaki, Japan, by the United States on August 9, 1945. It was the second of the only two nuclear weapons to be used in warfare to date , and its detonation caused the third man-made nuclear explosion. The name also refers more...

" model. More important from the perspective of the speed of the Soviet program, the Soviets had developed more uranium reserves than specialists in the American military had thought possible. From the late 1940s, the Soviet armed forces focused on adapting to the Cold War in the era of nuclear arms by achieving parity with the United States in strategic nuclear weapons.

Though the Soviet Union had proposed various nuclear disarmament plans after the U.S. development of atomic weapons in the Second World War, the Cold War saw the Soviets in the process of developing and deploying nuclear weapons in full force. It would not be until the 1960s that the United States and the Soviet Union finally agreed to ban weapon buildups in Antarctica and nuclear weapons tests
Nuclear testing
Nuclear weapons tests are experiments carried out to determine the effectiveness, yield and explosive capability of nuclear weapons. Throughout the twentieth century, most nations that have developed nuclear weapons have tested them...

 in the atmosphere, outer space, and underwater.

By the late 1960s, the Soviet Union had reached a rough parity with the United States in some categories of strategic weaponry, and at that time offered to negotiate limits on strategic nuclear weapons deployments. The Soviet Union wished to constrain U.S. deployment of an antiballistic missile (ABM
Anti-ballistic missile
An anti-ballistic missile is a missile designed to counter ballistic missiles .A ballistic missile is used to deliver nuclear, chemical, biological or conventional warheads in a ballistic flight trajectory. The term "anti-ballistic missile" describes any antimissile system designed to counter...

) system and retain the ability to place multiple independently-targetable re-entry vehicles (MIRVs).

The Strategic Arms Limitation Treaty began in November 1969 in Helsinki
Helsinki
Helsinki is the capital and largest city in Finland. It is in the region of Uusimaa, located in southern Finland, on the shore of the Gulf of Finland, an arm of the Baltic Sea. The population of the city of Helsinki is , making it by far the most populous municipality in Finland. Helsinki is...

. The interim agreement signed in Moscow in May 1972 froze existing levels of deployment of intercontinental ballistic missile
Intercontinental ballistic missile
An intercontinental ballistic missile is a ballistic missile with a long range typically designed for nuclear weapons delivery...

s (ICBMs) and regulated the growth of submarine-launched ballistic missile
Submarine-launched ballistic missile
A submarine-launched ballistic missile is a ballistic missile capable of delivering a nuclear warhead that can be launched from submarines. Modern variants usually deliver multiple independently targetable reentry vehicles each of which carries a warhead and allows a single launched missile to...

s (SLBMs). As part of the SALT process, the ABM Treaty was also signed.

The SALT agreements were generally considered in the West as having codified the concept of Mutually assured destruction (MAD), or deterrence. Both the U.S. and the Soviet Union recognized their mutual vulnerability to massive destruction, no matter which state launched nuclear weapons first. A second SALT agreement, SALT II, was signed in June 1979 in Vienna
Vienna
Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

. Among other provisions, it placed an aggregate ceiling on ICBM and SLBM launchers. The second SALT agreement was never ratified by the United States Senate
United States Senate
The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

, in large part because of the breakdown of détente
Détente
Détente is the easing of strained relations, especially in a political situation. The term is often used in reference to the general easing of relations between the Soviet Union and the United States in the 1970s, a thawing at a period roughly in the middle of the Cold War...

in the late 1970s and early 1980s.

At one time, the Soviet Union maintained the world's largest nuclear arsenal
Arsenal
An arsenal is a place where arms and ammunition are made, maintained and repaired, stored, issued to authorized users, or any combination of those...

 in history. According to estimates by the Natural Resources Defense Council
Natural Resources Defense Council
The Natural Resources Defense Council is a New York City-based, non-profit, non-partisan international environmental advocacy group, with offices in Washington DC, San Francisco, Los Angeles, Chicago, and Beijing...

, the peak of approximately 45,000 warheads was reached in 1986. Roughly 20,000 of these were believed to be tactical nuclear weapons, reflecting the Red Army doctrine that favored the use of these weapons if war came in Europe. The remainder (approximately 25,000) were strategic ICBMs. These weapons were considered both offensive and defensive in nature.

Military-industrial complex and the economy

With the notable exceptions of Khrushchev and possibly Gorbachev, Soviet leaders since the late 1920s have emphasized military production over investment in the civilian economy. The high priority given to military production has traditionally enabled military-industrial enterprises to commandeer the best managers, labor, and materials from civilian plants. As a result, the Soviet Union has produced some of the world's most advanced armaments. In the late 1980s, however, Gorbachev transferred some leading defense industry officials to the civilian sector of the economy in an effort to make it as efficient as its military counterpart.

The integration of the party, government, and military in the Soviet Union was most evident in the area of defense-related industrial production. Gosplan
Gosplan
Gosplan or State Planning Committee was the committee responsible for economic planning in the Soviet Union. The word "Gosplan" is an abbreviation for Gosudarstvenniy Komitet po Planirovaniyu...

, the state planning committee, had an important role in directing necessary supplies and resources to military industries. The Defense Council made decisions on the development and production of major weapons systems. The Defense Industry Department of the Central Committee
Central Committee of the Communist Party of the Soviet Union
The Central Committee of the Communist Party of the Soviet Union , abbreviated in Russian as ЦК, "Tse-ka", earlier was also called as the Central Committee of the All-Union Communist Party ...

 supervised all military industries as the executive agent of the Defense Council. Within the government, the Deputy Chairman of the Council of Ministers headed the Military Industrial Commission
Military-Industrial Commission of the USSR
The Military-Industrial Commission of the USSR or VPK served as a central management body for the Soviet defence industry from 1957 to 1991. The VPK was a Commission of the Presidium of of the Council of Ministers, and a deputy chairman of the Council headed it...

, which coordinated the activities of many industrial ministries, state committees, research and development organizations, and factories and enterprises that designed and produced arms and equipment for the armed forces.

In the late 1980s, the Soviet Union devoted a quarter of its gross economic output to the defense sector (at the time most Western analysts believed that this figure was 15%). At the time, the military-industrial complex employed at least one of every five adults in the Soviet Union. In some regions of the Union of Soviet Socialist Republics, at least half of the workforce was employed in defense plants. (The comparable U.S. figures were roughly one-sixteenth of gross national product and about one of every sixteen in the workforce.) In 1989, one-fourth of the entire Soviet population was engaged in military activities, whether active duty, military production, or civilian military training.

Collapse of the Soviet Union and the military

The political and economic chaos of the late 1980s and early 1990s soon erupted into the disintegration of the Warsaw Pact and the collapse of the Soviet Union
History of the Soviet Union (1985-1991)
The history of the Soviet Union from 1982 through 1991, spans the period from Leonid Brezhnev's death and funeral until the dissolution of the Soviet Union. Due to the years of Soviet military buildup at the expense of domestic development, economic growth stagnated...

. The political chaos and rapid economic liberalization in Russia had an enormously negative impact on the strength and funding of the military. In 1985, the Soviet military had about 5.3 million men; by 1990 the number declined to about four million. At the time the Soviet Union dissolved, the residual forces belonging to the Russian Federation were 2.7 million strong. Almost all of this drop occurred in a three-year period between 1989 and 1991.

The first contribution to this was a large unilateral reduction which began with an announcement by Gorbachev in December 1988; these reductions continued as a result of the collapse of the Warsaw Pact and in accordance with Conventional Forces in Europe (CFE) treaties. The second reason for the decline was the widespread resistance to conscription which developed as the policy of glasnost
Glasnost
Glasnost was the policy of maximal publicity, openness, and transparency in the activities of all government institutions in the Soviet Union, together with freedom of information, introduced by Mikhail Gorbachev in the second half of the 1980s...

 revealed to the public the true conditions inside the Soviet army and the widespread abuse of conscript soldiers.

As the Soviet Union moved towards disintegration in 1991, the huge Soviet military played a surprisingly feeble and ineffective role in propping up the dying Soviet system. The military got involved in trying to suppress conflicts and unrest in the Caucasus
Caucasus
The Caucasus, also Caucas or Caucasia , is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea...

 and central Asia, but it often proved incapable of restoring peace and order. On April 9, 1989, the army, together with MVD units, killed 20 demonstrators in Tbilisi
Tbilisi
Tbilisi is the capital and the largest city of Georgia, lying on the banks of the Mt'k'vari River. The name is derived from an early Georgian form T'pilisi and it was officially known as Tiflis until 1936...

 in Georgia. The next major crisis occurred in Azerbaijan
Azerbaijan
Azerbaijan , officially the Republic of Azerbaijan is the largest country in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west, and Iran to...

, when the Soviet army forcibly entered Baku
Baku
Baku , sometimes spelled as Baki or Bakou, is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region. It is located on the southern shore of the Absheron Peninsula, which projects into the Caspian Sea. The city consists of two principal...

 on January 19–20, 1990, resulting in the death of 137 people. On January 13, 1991 Soviet forces stormed the State Radio and Television Building and the television retranslation tower in Vilnius
Vilnius
Vilnius is the capital of Lithuania, and its largest city, with a population of 560,190 as of 2010. It is the seat of the Vilnius city municipality and of the Vilnius district municipality. It is also the capital of Vilnius County...

, Lithuania
Lithuania
Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the biggest of the three Baltic states. It is situated along the southeastern shore of the Baltic Sea, whereby to the west lie Sweden and Denmark...

, both under opposition control, killing 14 people and injuring 700. This action was perceived by many as heavy-handed and achieved little.

At the crucial moments of the August Coup, arguably the last attempt by the Soviet hardliners to prevent the breakup of the state, some military units did enter Moscow to act against Boris Yeltsin
Boris Yeltsin
Boris Nikolayevich Yeltsin was the first President of the Russian Federation, serving from 1991 to 1999.Originally a supporter of Mikhail Gorbachev, Yeltsin emerged under the perestroika reforms as one of Gorbachev's most powerful political opponents. On 29 May 1990 he was elected the chairman of...

 but ultimately refused to crush the protesters surrounding the Russian parliament building. In effect, the leadership of the Soviet military decided to side with Gorbachev and Yeltsin, and thus finally doomed the old order.

As the Soviet Union officially dissolved on December 31, 1991, the Soviet military was left in limbo. For the next year and a half various attempts to keep its unity and transform it into the military of the Commonwealth of Independent States
Commonwealth of Independent States
The Commonwealth of Independent States is a regional organization whose participating countries are former Soviet Republics, formed during the breakup of the Soviet Union....

 (CIS) failed. Steadily, the units stationed in Ukraine
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

 and some other breakaway republics swore loyalty to their new national governments, while a series of treaties between the newly independent states divided up the military's assets. In mid-March 1992, Yeltsin appointed himself as the new Russian minister of defence, marking a crucial step in the creation of the new Russian armed forces, comprising the bulk of what was still left of the military. The last vestiges of the old Soviet command structure were finally dissolved in June 1993.

In the next few years, Russian forces withdrew from central and eastern Europe, as well as from some newly independent post-Soviet republics. While in most places the withdrawal took place without any problems, the Russian army remained in some disputed areas such as the Sevastopol
Sevastopol
Sevastopol is a city on rights of administrative division of Ukraine, located on the Black Sea coast of the Crimea peninsula. It has a population of 342,451 . Sevastopol is the second largest port in Ukraine, after the Port of Odessa....

 naval base in the Crimea
Crimea
Crimea , or the Autonomous Republic of Crimea , is a sub-national unit, an autonomous republic, of Ukraine. It is located on the northern coast of the Black Sea, occupying a peninsula of the same name...

 as well as in Abkhazia
Abkhazia
Abkhazia is a disputed political entity on the eastern coast of the Black Sea and the south-western flank of the Caucasus.Abkhazia considers itself an independent state, called the Republic of Abkhazia or Apsny...

 and Transnistria
Transnistria
Transnistria is a breakaway territory located mostly on a strip of land between the Dniester River and the eastern Moldovan border to Ukraine...

.

The loss of recruits and industrial capacity in breakaway republics, as well as the breakdown of the Russian economy, caused a devastating decline in the capacity of post-Soviet Russian armed forces in the decade following 1992.

Most of the nuclear stockpile was inherited by Russia. Additional weapons were acquired by Ukraine, Belarus
Belarus
Belarus , officially the Republic of Belarus, is a landlocked country in Eastern Europe, bordered clockwise by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Its capital is Minsk; other major cities include Brest, Grodno , Gomel ,...

 and Kazakhstan
Kazakhstan
Kazakhstan , officially the Republic of Kazakhstan, is a transcontinental country in Central Asia and Eastern Europe. Ranked as the ninth largest country in the world, it is also the world's largest landlocked country; its territory of is greater than Western Europe...

. Amid fears of nuclear proliferation
Nuclear proliferation
Nuclear proliferation is a term now used to describe the spread of nuclear weapons, fissile material, and weapons-applicable nuclear technology and information, to nations which are not recognized as "Nuclear Weapon States" by the Treaty on the Nonproliferation of Nuclear Weapons, also known as the...

, these were all certified as transferred to Russia by 1996. Uzbekistan
Uzbekistan
Uzbekistan , officially the Republic of Uzbekistan is a doubly landlocked country in Central Asia and one of the six independent Turkic states. It shares borders with Kazakhstan to the west and to the north, Kyrgyzstan and Tajikistan to the east, and Afghanistan and Turkmenistan to the south....

 is another former Soviet republic where nuclear weapons may once have been stationed, but they are now signers of the Nuclear non-proliferation treaty
Nuclear Non-Proliferation Treaty
The Treaty on the Non-Proliferation of Nuclear Weapons, commonly known as the Non-Proliferation Treaty or NPT, is a landmark international treaty whose objective is to prevent the spread of nuclear weapons and weapons technology, to promote cooperation in the peaceful uses of nuclear energy and to...

.

Foreign military aid

In addition to explicit wars, the Soviet military took part in a number of internal conflicts in various countries, as well as proxy war
Proxy war
A proxy war or proxy warfare is a war that results when opposing powers use third parties as substitutes for fighting each other directly. While powers have sometimes used governments as proxies, violent non-state actors, mercenaries, or other third parties are more often employed...

s between third countries as a means of advancing their strategic interests while avoiding direct conflict between the superpowers in the nuclear age (or, in the case of the Spanish Civil War, avoiding a direct conflict with Nazi Germany at a time when neither side was prepared for such a war). In many cases, involvement was in the form of military advisor
Military advisor
Military advisors, or combat advisors, are soldiers sent to foreign nations to aid that nation with its military training, organization, and other various military tasks. These soldiers are often sent to aid a nation without the potential casualties and political ramifications of actually...

s as well as the sale or provision of weapons.

See also

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