Nuclear arms race
Encyclopedia

The nuclear arms race
Arms race
The term arms race, in its original usage, describes a competition between two or more parties for the best armed forces. Each party competes to produce larger numbers of weapons, greater armies, or superior military technology in a technological escalation...

was a competition for supremacy in nuclear warfare
Nuclear warfare
Nuclear warfare, or atomic warfare, is a military conflict or political strategy in which nuclear weaponry is detonated on an opponent. Compared to conventional warfare, nuclear warfare can be vastly more destructive in range and extent of damage...

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

, 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....

, and their respective allies during 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...

. During the Cold War, in addition to the American and Soviet nuclear stockpiles, other countries developed nuclear weapons, though none engaged in warhead production on nearly the same scale as the two 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...

s.

World War II

The first nuclear weapon was created by the 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...

 during the Second World War
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...

 and was developed to be used against the Axis powers
Axis Powers
The Axis powers , also known as the Axis alliance, Axis nations, Axis countries, or just the Axis, was an alignment of great powers during the mid-20th century that fought World War II against the Allies. It began in 1936 with treaties of friendship between Germany and Italy and between Germany and...

. Scientists of 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....

 were aware of the potential of nuclear weapons and had also been conducting research in the field.

The Soviet Union was not informed officially of the Manhattan Project until 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...

 was briefed at 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...

 on July 24, 1945, by U.S. President
President of the United States
The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

 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...

, eight days after the first successful test of a nuclear weapon. Despite their wartime military alliance, the United States and Britain had not trusted the Soviets enough to keep knowledge of the Manhattan Project safe from German spies: there were also concerns that, as an ally, the Soviet Union would request and expect to receive technical details of the new weapon.

When President Truman informed Stalin of the weapons, he was surprised at how calmly Stalin reacted to the news and thought that Stalin had not understood what he had been told. Other members of the United States and British delegations who closely observed the exchange formed the same conclusion.

In fact Stalin had long been aware of the program., despite the Manhattan Project having a secret classification so high that, even as Vice-President, Truman did not know about it or the development of the weapons. Truman was not informed until shortly after he became president. A ring of spies
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...

 operating within the Manhattan Project, (including Klaus Fuchs
Klaus Fuchs
Klaus Emil Julius Fuchs was a German theoretical physicist and atomic spy who in 1950 was convicted of supplying information from the American, British and Canadian atomic bomb research to the USSR during and shortly after World War II...

  and Theodore Hall
Theodore Hall
Theodore Alvin Hall was an American physicist and an atomic spy for the Soviet Union, who, during his work on US efforts to develop the first atomic bomb during World War II , gave a detailed description of the "Fat Man" plutonium bomb, and of processes for purifying plutonium, to Soviet...

) had kept Stalin well informed of American progress.

In August 1945, on Truman's orders, two atomic bombs were dropped on 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 cities. The first bomb
Little Boy
"Little Boy" was the codename of the atomic bomb dropped on Hiroshima on August 6, 1945 by the Boeing B-29 Superfortress Enola Gay, piloted by Colonel Paul Tibbets of the 393rd Bombardment Squadron, Heavy, of the United States Army Air Forces. It was the first atomic bomb to be used as a weapon...

 was dropped on Hiroshima
Hiroshima
is the capital of Hiroshima Prefecture, and the largest city in the Chūgoku region of western Honshu, the largest island of Japan. It became best known as the first city in history to be destroyed by a nuclear weapon when the United States Army Air Forces dropped an atomic bomb on it at 8:15 A.M...

, and the second bomb
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...

 was dropped on Nagasaki by the B-29 bombers named Enola Gay and Bock's Car respectively.

Early Cold War

In the years immediately after the Second World War, the United States had a monopoly on specific knowledge of and raw materials for nuclear weaponry. Initially, it was thought that uranium
Uranium
Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons...

 was rare in the world but this turned out to be wrong. American leaders hoped that their exclusive ownership of nuclear weapons would be enough to draw concessions from the Soviet Union but this proved ineffective.

Behind the scenes, the Soviet regime was working on building its own atomic weapons. During the war, Soviet efforts had been limited by a lack of uranium but new supplies in Eastern Europe
Eastern Europe
Eastern Europe is the eastern part of Europe. The term has widely disparate geopolitical, geographical, cultural and socioeconomic readings, which makes it highly context-dependent and even volatile, and there are "almost as many definitions of Eastern Europe as there are scholars of the region"...

 were found and provided a steady supply while the Soviets developed a domestic source. While American experts had predicted that the USSR would not have nuclear weapons until the mid-1950s, the first Soviet bomb was detonated on August 29, 1949, shocking the entire world. The bomb, named "Joe One" by the West, was more or less a copy of "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...

", one of the bombs the United States had dropped on Japan in 1945.

Both governments spent massive amounts to increase the quality and quantity of their nuclear arsenals. Both nations quickly began the development of a hydrogen bomb and the United States detonated the first of these on November 1, 1952. Again, the Soviets surprised the world by exploding a deployable thermonuclear device in August 1953 although it was not a true multi-stage hydrogen bomb: this weapon followed in 1955.

The most important development in terms of delivery in the 1950s was the introduction 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. Missiles had long been regarded the ideal platform for nuclear weapons, and were potentially a more effective delivery system than strategic bombers, which was the primary delivery method at the beginning of the Cold War. On October 4, 1957, the Soviet Union showed the world that they had missiles able to reach any part of the world when they launched the Sputnik. The United States launched their own satellite on the 31 October 1959. 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...

 showcased technology critical to the delivery of nuclear weapons, the ICBM boosters, while maintaining the appearance of being for science and exploration.

This period also saw some of the first attempts to defend against nuclear weapons. Both superpowers built large radar arrays to detect incoming bombers and missiles. Fighters to use against bombers and anti-ballistic missiles to use against ICBMs were also developed. Large underground bunkers were constructed to save the leaders, and citizens were told to build fallout shelter
Fallout shelter
A fallout shelter is an enclosed space specially designed to protect occupants from radioactive debris or fallout resulting from a nuclear explosion. Many such shelters were constructed as civil defense measures during the Cold War....

s and taught how to react to a nuclear attack. These measurements were called civil defense
Civil defense
Civil defense, civil defence or civil protection is an effort to protect the citizens of a state from military attack. It uses the principles of emergency operations: prevention, mitigation, preparation, response, or emergency evacuation, and recovery...

.

Mutual Assured Destruction (MAD)

None of these defensive measures were secure, and in the 1950s both the United States and Soviet Union had nuclear power to obliterate the other side. Both sides developed a capability to launch a devastating attack even after sustaining a full assault from the other side (especially by means of submarines), called a second strike
Second strike
In nuclear strategy, a second strike capability is a country's assured ability to respond to a nuclear attack with powerful nuclear retaliation against the attacker...

. This policy was part of what became known as Mutual Assured Destruction: both sides knew that any attack upon the other would be devastating to themselves, thus in theory refraining them from attacking the other.

Both Soviet and American experts hoped to use nuclear weapons for extracting concessions from the other, or from other powers such as 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...

, but the risk connected with using these weapons was so grave that they refrained from what John Foster Dulles
John Foster Dulles
John Foster Dulles served as U.S. Secretary of State under President Dwight D. Eisenhower from 1953 to 1959. He was a significant figure in the early Cold War era, advocating an aggressive stance against communism throughout the world...

 referred to as brinkmanship
Brinkmanship
Brinkmanship is the practice of pushing dangerous events to the verge of disaster in order to achieve the most advantageous outcome...

. While some, like General Douglas MacArthur
Douglas MacArthur
General of the Army Douglas MacArthur was an American general and field marshal of the Philippine Army. He was a Chief of Staff of the United States Army during the 1930s and played a prominent role in the Pacific theater during World War II. He received the Medal of Honor for his service in the...

, argued nuclear weapons should be used during the Korean War
Korean War
The Korean War was a conventional war between South Korea, supported by the United Nations, and North Korea, supported by the People's Republic of China , with military material aid from the Soviet Union...

, both Truman and Eisenhower opposed.

Both sides were unaware of the capacity of the enemy's arsenal of nuclear weapons. The Americans suffered from a lack of confidence, and in the 1950s they believed in a non-existing bomber gap
Bomber gap
The "bomber gap" was the unfounded belief in the Cold War-era United States that the Soviet Union had gained an advantage in deploying jet-powered strategic bombers. Widely accepted for several years, the gap was used as a political talking point in order to justify greatly increased defense spending...

. Aerial photography later revealed that the Soviets had been playing a sort of Potemkin village
Potemkin village
Potemkin villages or Potyomkin villages is an idiom based on a historical myth. According to the myth, there were fake settlements purportedly erected at the direction of Russian minister Grigory Potemkin to fool Empress Catherine II during her visit to Crimea in 1787...

 game with their bombers in their military parades, flying them in large circles, making it appear they had far more than they truly did. The 1960 American presidential election saw accusations of a wholly spurious missile gap
Missile gap
The missile gap was the term used in the United States for the perceived disparity between the number and power of the weapons in the U.S.S.R. and U.S. ballistic missile arsenals during the Cold War. The gap only existed in exaggerated estimates made by the Gaither Committee in 1957 and United...

 between the Soviets and the Americans. On the contrary, the Soviet government exaggerated the power of Soviet weapons to the leadership and 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...

.

An additional controversy formed in the United States during the early 1960s concerned whether or not it was certain if their weapons would work if the need should occur. All of the individual components of nuclear missiles had been tested separately (warheads, navigation systems, rockets), but it had been infeasible to test them all combined. Critics charged that it was not really known how a warhead would react to the gravity forces and temperature differences encountered in the upper atmosphere and outer space, and Kennedy was unwilling to run a test of an ICBM with a live warhead. The closest thing to an actual test was 1962's Operation Frigate Bird, in which the submarine USS Ethan Allen
USS Ethan Allen
Two ships of the United States Navy have been named USS Ethan Allen in honor of Ethan Allen, the guerilla leader of the Green Mountain Boys.* The first was a bark that raided the Confederate States of America during the American Civil War....

 launched a Polaris A1 missile over 1,000 miles to the nuclear test site at Christmas Island
Christmas Island
The Territory of Christmas Island is a territory of Australia in the Indian Ocean. It is located northwest of the Western Australian city of Perth, south of the Indonesian capital, Jakarta, and ENE of the Cocos Islands....

. It was challenged by, among others, Curtis LeMay, who put missile accuracy into doubt to encourage the development of new bombers. Other critics pointed out that it was a single test which could be an anomaly; that it was a lower-altitude SLBM and therefore was subject to different conditions than an ICBM; and that significant modifications had been made to its warhead before testing.
Strategic nuclear missiles, warheads and throw-weights of United States and USSR, 1964-82
Year Launchers Warheads Megatonnage
USA USSR USA USSR USA USSR
1964 2,416 375 6,800 500 7,500 1,000
1966 2,396 435 5,000 550 5,600 1,200
1968 2,360 1,045 4,500 850 5,100 2,300
1970 2,230 1,680 3,900 1,800 4,300 3,100
1972 2,230 2,090 5,800 2,100 4,100 4,000
1974 2,180 2,380 8,400 2,400 3,800 4,200
1976 2,100 2,390 9,400 3,200 3,700 4,500
1978 2,058 2,350 9,800 5,200 3,800 5,400
1980 2,042 2,490 10,000 7,200 4,000 6,200
1982 2,032 2,490 11,000 10,000 4,100 8,200

Initial nuclear proliferation

In addition to the United States and the Soviet Union, three other nations, the United Kingdom
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...

, 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...

, 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...

 also developed far smaller nuclear stockpiles. In 1952, the United Kingdom
Nuclear weapons and the United Kingdom
The United Kingdom was the third country to test an independently developed nuclear weapon, in October 1952. It is one of the five "Nuclear Weapons States" under the Nuclear Non-Proliferation Treaty, which the UK ratified in 1968...

 became the third nation to possess nuclear weapons when it detonated an atomic bomb in Operation Hurricane
Operation Hurricane
Operation Hurricane was the test of the first British atomic device on 3 October 1952. A plutonium implosion device was detonated in the lagoon between the Montebello Islands, Western Australia....

 in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 on October 3, 1952. During the Cold War, British nuclear deterrence came from submarines and nuclear-armed aircraft. The Resolution class ballistic missile submarines
Resolution class submarine
The Resolution-class submarine armed with the Polaris missile was the United Kingdom's primary nuclear deterrent from the late 1960s to 1994, when they were replaced by the Vanguard-class submarine carrying the Trident II.-Background:...

 armed with the American-built Polaris missile provided the sea deterrent, while aircraft such as the Avro Vulcan
Avro Vulcan
The Avro Vulcan, sometimes referred to as the Hawker Siddeley Vulcan, was a jet-powered delta wing strategic bomber, operated by the Royal Air Force from 1956 until 1984. Aircraft manufacturer A V Roe & Co designed the Vulcan in response to Specification B.35/46. Of the three V bombers produced,...

, SEPECAT Jaguar
SEPECAT Jaguar
The SEPECAT Jaguar is an Anglo-French jet ground attack aircraft, originally used by the British Royal Air Force and the French Armée de l'Air in the close air support and nuclear strike role, and still in service with several export customers, notably the Indian Air Force and the Royal Air Force...

, Panavia Tornado
Panavia Tornado
The Panavia Tornado is a family of twin-engine, variable-sweep wing combat aircraft, which was jointly developed and manufactured by the United Kingdom, West Germany and Italy...

 and several other Royal Air Force
Royal Air Force
The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

 strike aircraft carrying WE.177
WE.177
WE.177 was the last air-delivered tactical nuclear weapon of the British Armed Forces. There were three versions; WE.177A was a boosted fission weapon, while WE.177B and WE.177C were thermonuclear weapons...

 gravity bomb provided the air deterrent.

France became the fourth nation to possess nuclear weapons on February 13, 1960, when the atomic bomb Gerboise Bleue
Gerboise Bleue
Gerboise Bleue was the name of the first French nuclear test. It was an atomic bomb detonated in the middle of the Algerian Sahara desert on 13 February 1960, during the Algerian War...

 was detonated in Algeria
Algeria
Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...

, then still a French colony [Formally a part of the Metropolitan France.] During the Cold War, the French nuclear deterrent was centered around the Force de frappe
Force de frappe
The Force de Frappe is the designation of what used to be a triad of air-, sea- and land-based nuclear weapons intended for dissuasion, and consequential deterrence...

, a nuclear triad consisting of Dassault Mirage IV
Dassault Mirage IV
The Dassault Mirage IV was a French jet-propelled supersonic strategic bomber and deep-reconnaissance aircraft. For many years it was a vital part of the nuclear triad of the Force de Frappe, France's nuclear deterrent striking force.-Development:...

 bombers carrying such nuclear weapons as the AN-22
AN-22 bomb
The AN-22 was France's second air-dropped nuclear weapon, developed as a replacement for the earlier AN-11 bomb, entering service in 1967. It had a similar 60 to 70 kilotons yield fission warhead to the earlier AN-11, but with enhanced safety features and a parachute retarder to enable it to be...

 gravity bomb and the ASMP
Air-Sol Moyenne Portée
The Air-Sol Moyenne Portée is a French air-launched nuclear missile. Part of the Force de frappe, in French nuclear doctrine it is the last-resort "warning shot" prior to a full-scale employment of strategic nuclear weapons...

 stand-off attack missile, Pluton
Pluton (missile)
The Pluton missile was a French nuclear-armed short-range ballistic missile system launched from a transporter erector launcher platform mounted on an AMX 30 tank chassis. It was designed to provide the tactical part of French nuclear deterrence during the Cold War.The Pluton came in replacement...

 and Hades
Hadès (missile)
The Hadès system was a short-range ballistic pre-strategic nuclear weapon system designed by France, as a last warning before use of strategic nuclear weapons, in the perspective of a Soviet invasion of Western Europe...

 ballistic missiles, and the Redoutable class submarine
Redoutable class submarine
The Redoutable class submarine is a ballistic missile submarine class of the French Marine Nationale . In French, the type is called Sous-marin Nucléaire Lanceur d'Engins , literally "Missile-launching nuclear submarine"...

 armed with strategic nuclear missiles.

The People's Republic of China became the fifth nuclear power on October 16, 1964 when it detonated a uranium-235
Uranium-235
- References :* .* DOE Fundamentals handbook: Nuclear Physics and Reactor theory , .* A piece of U-235 the size of a grain of rice can produce energy equal to that contained in three tons of coal or fourteen barrels of oil. -External links:* * * one of the earliest articles on U-235 for the...

 bomb in a test codenamed 596
596 (nuclear test)
596 is the codename of the People's Republic of China's first nuclear weapons test, detonated on October 16, 1964 at the Lop Nur test site. It was a uranium-235 implosion fission device and had a yield of 22 kilotons...

. Due to Soviet/Chinese tensions
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...

, the Chinese might have used nuclear weapons against either the United States or the Soviet Union in the event of a nuclear war between the United States and the Soviet Union. During the Cold War, the Chinese nuclear deterrent consisted of gravity bombs carried aboard H-6 bomber aircraft
Xian H-6
The Xian H-6 is a license-built version of the Soviet Tupolev Tu-16 twin-engine jet bomber, built for the Chinese People's Liberation Army Air Force....

, missile systems such as the DF-2, DF-3, and DF-4, and in the later stages of the Cold War, the Type 092 ballistic missile submarine.

Richard Nixon's Program of Détente

Economic problems caused by the arms race in both powers, combined with China's new role and the ability to verify disarmament led to a number of arms control agreements beginning in the 1970s. This period known as 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...

  allowed both states to reduce their spending on weapons systems. SALT I and SALT II limited the size of the states arsenals. Bans on nuclear testing, anti-ballistic missile systems, and weapons in space all attempted to limit the expansion of the arms race through the Partial Test Ban Treaty
Partial Test Ban Treaty
The treaty banning nuclear weapon tests in the atmosphere, in outer space and under water, often abbreviated as the Partial Test Ban Treaty , Limited Test Ban Treaty , or Nuclear Test Ban Treaty is a treaty prohibiting all test detonations of nuclear weapons...

.

These treaties were only partially successful. Both states continued building massive numbers of nuclear weapons, and new technologies such as multiple independently targetable reentry vehicle
Multiple independently targetable reentry vehicle
A multiple independently targetable reentry vehicle warhead is a collection of nuclear weapons carried on a single intercontinental ballistic missile or a submarine-launched ballistic missile . Using a MIRV warhead, a single launched missile can strike several targets, or fewer targets redundantly...

s
(also known as MIRVs) limited the effectiveness of the treaties. Both superpowers retained the ability to destroy each other many times over.

Reagan and the Strategic Defense Initiative

Towards the end of Jimmy Carter
Jimmy Carter
James Earl "Jimmy" Carter, Jr. is an American politician who served as the 39th President of the United States and was the recipient of the 2002 Nobel Peace Prize, the only U.S. President to have received the Prize after leaving office...

's presidency, and continued strongly through the subsequent presidency of Ronald Reagan
Ronald Reagan
Ronald Wilson Reagan was the 40th President of the United States , the 33rd Governor of California and, prior to that, a radio, film and television actor....

, the United States rejected disarmament and tried to restart the arms race through the production of new weapons and anti-weapons systems. The central part of this strategy was the Strategic Defense Initiative
Strategic Defense Initiative
The Strategic Defense Initiative was proposed by U.S. President Ronald Reagan on March 23, 1983 to use ground and space-based systems to protect the United States from attack by strategic nuclear ballistic missiles. The initiative focused on strategic defense rather than the prior strategic...

, a space based anti-ballistic missile system derided as "Star Wars
Star Wars
Star Wars is an American epic space opera film series created by George Lucas. The first film in the series was originally released on May 25, 1977, under the title Star Wars, by 20th Century Fox, and became a worldwide pop culture phenomenon, followed by two sequels, released at three-year...

" by its critics. During the second part of 1980s, the Soviet economy was teetering towards collapse and was unable to match American arms spending. Numerous negotiations by 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...

 attempted to come to agreements on reducing nuclear stockpiles, but the most radical were rejected by Reagan as they would also prohibit his SDI program.

Post–Cold War

With the end of the Cold War the United States, and especially Russia, cut down on nuclear weapons spending. Fewer new systems were developed and both arsenals have shrunk. But both countries still maintain stocks of nuclear missiles numbering in the thousands. In the USA, stockpile stewardship
Stockpile stewardship
Stockpile stewardship refers to the United States program of reliability testing and maintenance of its nuclear weapons without the use of nuclear testing....

 programs have taken over the role of maintaining the aging arsenal.

After the Cold War ended, a large amount of resources and money which was once spent on developing nuclear weapons in USSR was then spent on repairing the environmental damage produced by the nuclear arms race, and almost all former production sites are now major cleanup sites. In the USA, the plutonium production facility at Hanford, Washington
Hanford Site
The Hanford Site is a mostly decommissioned nuclear production complex on the Columbia River in the U.S. state of Washington, operated by the United States federal government. The site has been known by many names, including Hanford Works, Hanford Engineer Works or HEW, Hanford Nuclear Reservation...

 and the plutonium pit fabrication facility at Rocky Flats, Colorado
Rocky Flats Plant
The Rocky Flats Plant was a United States nuclear weapons production facility near Denver, Colorado that operated from 1952 to 1992. It was under the control of the United States Atomic Energy Commission until 1977, when it was replaced by the Department of Energy .-1950s:Following World War II,...

 are among the most polluted sites.

United States policy and strategy regarding nuclear proliferation was outlined in 1995 in the document "Essentials of Post–Cold War Deterrence".

Despite efforts made in cleaning up uranium sites, significant problems stemming from the legacy of uranium development still exist today on the Navajo Nation
Navajo Nation
The Navajo Nation is a semi-autonomous Native American-governed territory covering , occupying all of northeastern Arizona, the southeastern portion of Utah, and northwestern New Mexico...

 in the states of Utah
Utah
Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...

, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...

, New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

, and Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

. Hundreds of abandoned mines have not been cleaned up and present environmental and health risks in many Navajo communities.

India and Pakistan

The South-Asian states of India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 and Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

 have also engaged in a nuclear arms race. India detonated what it called a "peaceful nuclear device" in 1974 ("Smiling Buddha
Smiling Buddha
The Smiling Buddha, formally designated as Pokhran-I, was the codename given to Republic of India's first nuclear test explosion that took place at the long-constructed Indian Army base, Pokhran Test Range at Pokhran municipality, Rajasthan state on 18 May 1974 at 8:05 a.m....

") much to the surprise and alarm of the world who had been giving India nuclear technology for civilian, energy producing and peaceful purposes. The test generated great concern in Pakistan, which feared that it would be at the mercy of its long-time arch rival and quickly responded by pursuing its own nuclear weapons program. In the last few decades of the 20th century, Pakistan and India began to develop nuclear-capable rockets, and Pakistan had its own covert bomb program which extended over many years since the first Indian weapon was detonated. In 1998 India, under Atal Bihari Vajpayee
Atal Bihari Vajpayee
Atal Bihari Vajpayee is an Indian statesman who served as the tenth Prime Minister of India three times – first for a brief term of 13 days in 1996, and then for two terms from 1998 to 2004. After his first brief period as Prime Minister in 1996, Vajpayee headed a coalition government from...

 government, test detonated 5 more nuclear weapons. While the international response to the detonation was muted, domestic pressure within Pakistan began to build steam and Prime Minister Navaz Scharif ordered the test, detonated 6 nuclear war weapons in a tit-for-tat fashion and to act as a deterrent.

See also

  • Nuclear warfare
    Nuclear warfare
    Nuclear warfare, or atomic warfare, is a military conflict or political strategy in which nuclear weaponry is detonated on an opponent. Compared to conventional warfare, nuclear warfare can be vastly more destructive in range and extent of damage...

  • Essentials of Post–Cold War Deterrence
  • Deterrence theory
    Deterrence theory
    Deterrence theory gained increased prominence as a military strategy during the Cold War with regard to the use of nuclear weapons, and features prominently in current United States foreign policy regarding the development of nuclear technology in North Korea and Iran. Deterrence theory however was...

  • Nuclear disarmament
    Nuclear disarmament
    Nuclear disarmament refers to both the act of reducing or eliminating nuclear weapons and to the end state of a nuclear-free world, in which nuclear weapons are completely eliminated....

  • Nuclear-free zone
    Nuclear-free zone
    A nuclear-free zone is an area where nuclear weapons and nuclear power are banned. The specific ramifications of these depend on the locale in question....

  • 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...

  • TNT equivalent
    TNT equivalent
    TNT equivalent is a method of quantifying the energy released in explosions. The ton of TNT is a unit of energy equal to 4.184 gigajoules, which is approximately the amount of energy released in the detonation of one ton of TNT...

  • Brinkmanship
    Brinkmanship
    Brinkmanship is the practice of pushing dangerous events to the verge of disaster in order to achieve the most advantageous outcome...

  • Brinkmanship (Cold War)
    Brinkmanship (Cold War)
    Brinkmanship is a term that was used to refer to the constant competition between the United States of America and the Soviet Union.-Origin:The the term "brinkmanship" was originally coined by United States Secretary of State John Foster Dulles during the height of the Cold War...


External links

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