Tactical Nuclear Missile
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A tactical nuclear weapon (TNW) or non-strategic nuclear weapon (NSNW) is a
nuclear weapon A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear weapon), producing a nuclear exp ...
that is designed to be used on a battlefield in military situations, mostly with friendly forces in proximity and perhaps even on contested friendly territory. Generally smaller in explosive power, they are defined in contrast to
strategic nuclear weapon A strategic nuclear weapon (SNW) is a nuclear weapon that is designed to be used on targets often in settled territory far from the battlefield as part of a strategic plan, such as military bases, military command centers, arms industries, tra ...
s, which are designed mostly to be targeted at the enemy interior far away from the war front against military bases, cities, towns, arms industries, and other hardened or larger-area targets to damage the enemy's ability to wage war. No tactical nuclear weapons have ever been used in combat.


Details

Tactical nuclear weapons include
gravity bomb An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is an aircraft-dropped bomb (conventional or nuclear) that does not contain a guidance system and hence simply follows a ballistic trajectory. It includes ...
s, short-range
missile A missile is an airborne ranged weapon capable of self-propelled flight aided usually by a propellant, jet engine or rocket motor. Historically, 'missile' referred to any projectile that is thrown, shot or propelled towards a target; this ...
s,
artillery shell A shell, in a modern military context, is a projectile whose payload contains an explosive, incendiary device, incendiary, or other chemical filling. Originally it was called a bombshell, but "shell" has come to be unambiguous in a military ...
s,
land mines A land mine, or landmine, is an explosive weapon often concealed under or camouflaged on the ground, and designed to destroy or disable enemy targets as they pass over or near it. Land mines are divided into two types: anti-tank mines, whi ...
,
depth charge A depth charge is an anti-submarine warfare (ASW) weapon designed to destroy submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited ...
s, and
torpedoes A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, such ...
which are equipped with nuclear warheads. Also in this category are nuclear armed ground-based or shipborne
surface-to-air missile A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched from the ground or the sea to destroy aircraft or other missiles. It is one type of anti-ai ...
s (SAMs) and
air-to-air missile An air-to-air missile (AAM) is a missile fired from an aircraft for the purpose of destroying another aircraft (including unmanned aircraft such as cruise missiles). AAMs are typically powered by one or more rocket motors, usually solid-fuel roc ...
s. Small, two-man portable or truck-portable tactical weapons (sometimes misleadingly referred to as
suitcase nuke A suitcase nuclear device (also suitcase nuke, suitcase bomb, backpack nuke, snuke, mini-nuke, and pocket nuke) is a tactical nuclear weapon that is portable enough that it could use a suitcase as its delivery method. During the 1950s and 1960s ...
s), such as the
Special Atomic Demolition Munition The Special Atomic Demolition Munition (SADM), also known as the XM129 and XM159 Atomic Demolition Charges, and the B54 bomb was a nuclear man-portable atomic demolition munition (ADM) system fielded by the US military from the 1960s to 1980s ...
and the Davy Crockett recoilless rifle (recoilless smoothbore gun) have been developed, but the difficulty of combining sufficient yield with portability could limit their military utility. In wartime, such explosives could be used for demolishing "chokepoints" to enemy offensives, such as at
tunnel A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ve ...
s, narrow mountain passes, and long
viaduct A viaduct is a specific type of bridge that consists of a series of arches, piers or columns supporting a long elevated railway or road. Typically a viaduct connects two points of roughly equal elevation, allowing direct overpass across a wide ...
s. There is no exact definition of the "tactical" category in terms of range or yield of the nuclear weapon. The yield of tactical nuclear weapons is generally lower than that of strategic nuclear weapons, but larger ones are still very powerful, and some variable-yield warheads serve in both roles. For example, the
W89 The W89 was an American thermonuclear warhead design intended for use on the AGM-131 SRAM II air to ground nuclear missile and the UUM-125 Sea Lance anti-submarine missile. What was to become the W89 design was awarded to the Lawrence Livermor ...
200 kiloton warhead was intended to arm both the tactical Sea Lance anti-submarine rocket-propelled
depth charge A depth charge is an anti-submarine warfare (ASW) weapon designed to destroy submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited ...
and the
strategic bomber A strategic bomber is a medium- to long-range Penetrator (aircraft), penetration bomber aircraft designed to drop large amounts of air-to-ground weaponry onto a distant target for the purposes of debilitating the enemy's capacity to wage war. Unl ...
-launched SRAM II stand off missile. Modern tactical nuclear warheads have yields up to the tens of kilotons, or potentially hundreds, several times that of the weapons used in the
atomic bombings of Hiroshima and Nagasaki On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively, during World War II. The aerial bombings killed between 150,000 and 246,000 people, most of whom were civili ...
. Specifically on the
Korean Peninsula Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically divided at or near the 38th parallel between North Korea (Dem ...
, with a nuclear
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and borders China and Russia to the north at the Yalu River, Yalu (Amnok) an ...
facing off against a NPT-compliant
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
, there have been calls to request a return of US-owned and -operated, short range, low yield nuclear weapons (called "tactical" by the US military) to provide a local strategic deterrent to the North's growing domestically-produced nuclear arsenal and delivery systems. Some tactical nuclear weapons have specific features meant to enhance their battlefield characteristics, such as
variable yield Variable yield, or dial-a-yield, is an option available on most modern nuclear weapons. It allows the operator to specify a weapon's yield, or explosive power, allowing a single design to be used in different situations. For example, the Mod-10 ...
, which allow their explosive power to be varied over a wide range for different situations, or enhanced radiation weapons (the so-called "
neutron bomb A neutron bomb, officially defined as a type of enhanced radiation weapon (ERW), is a low-yield thermonuclear weapon designed to maximize lethal neutron radiation in the immediate vicinity of the blast while minimizing the physical power of the b ...
s"), which are meant to maximize
ionizing radiation Ionizing (ionising) radiation, including Radioactive decay, nuclear radiation, consists of subatomic particles or electromagnetic waves that have enough energy per individual photon or particle to ionization, ionize atoms or molecules by detaching ...
exposure and to minimize blast effects. Strategic missiles and bombers are assigned preplanned targets including enemy airfields, radars, and surface-to-air defenses, not only counterforce strikes on hardened or wide area bomber, submarine, and missile bases. The strategic mission is to eliminate the enemy nation's national defenses to enable following bombers and missiles to threaten the enemy nation's strategic forces, command, and economy more realistically, rather than targeting mobile military assets in nearly real time by using tactical weapons that are optimized for time-sensitive strike missions that are often close to friendly forces. Tactical nuclear weapons were a large part of the peak
nuclear weapons A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either nuclear fission, fission (fission or atomic bomb) or a combination of fission and nuclear fusion, fusion reactions (thermonuclear weap ...
stockpile levels during the
Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...
. The risk that use of tactical nuclear weapons could unexpectedly lead to a rapid escalation of a war to full use of strategic weapons has led to proposals being made within NATO and other organizations to place limitations on—and make more transparent—the stockpiling and use of tactical weapons. As the Cold War came to an end in 1991, the US and
USSR The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
withdrew most of their tactical nuclear weapons from deployment and disposed of them. The thousands of tactical warheads wielded by both sides in the late-1980s declined to an estimated 230 American and 1,000 to 2,000
Russian Federation Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
warheads in 2021, although estimates for Russia vary widely.


Yield

The yield varies for a tactical nuclear weapon from a fraction of a
kiloton TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion. A ton of TNT equivalent is a unit of energy defined by convention to be (). It is the approximate energy released in the det ...
to approximately 50 kilotons. In comparison, a
strategic nuclear weapon A strategic nuclear weapon (SNW) is a nuclear weapon that is designed to be used on targets often in settled territory far from the battlefield as part of a strategic plan, such as military bases, military command centers, arms industries, tra ...
has a yield from 100 kilotons to over a megaton, with much larger warheads available.


Risk of escalating a conflict

Use of tactical nuclear weapons against similarly-armed opponents may carry a significant danger of escalating the conflict beyond anticipated boundaries, from the tactical to the
strategic Strategy (from Greek στρατηγία ''stratēgia'', "troop leadership; office of general, command, generalship") is a general plan to achieve one or more long-term or overall goals under conditions of uncertainty. In the sense of the "art o ...
. The existence and deployment of small, low-yield tactical nuclear warheads could be a dangerous encouragement to forward-basing and pre-emptive nuclear warfare, as nuclear weapons with destructive yields of 10 tons of
TNT Troponin T (shortened TnT or TropT) is a part of the troponin complex, which are proteins integral to the contraction of skeletal and heart muscles. They are expressed in skeletal and cardiac myocytes. Troponin T binds to tropomyosin and helps ...
(e.g., the
W54 The W54 (also known as the Mark 54 or B54) was a tactical nuclear warhead developed by the United States in the late 1950s. The weapon is the smallest nuclear weapon in both weight and yield to have entered US service. It was a compact implo ...
warhead design) might be used more willingly at times of crisis than warheads with yields of 100
kiloton TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion. A ton of TNT equivalent is a unit of energy defined by convention to be (). It is the approximate energy released in the det ...
s. The use of tactical nuclear weapons presents a risk of escalating the conflict until it reaches a tipping point that provokes the use of
strategic nuclear weapon A strategic nuclear weapon (SNW) is a nuclear weapon that is designed to be used on targets often in settled territory far from the battlefield as part of a strategic plan, such as military bases, military command centers, arms industries, tra ...
s such as
ICBM An intercontinental ballistic missile (ICBM) is a ballistic missile with a range (aeronautics), range greater than , primarily designed for nuclear weapons delivery (delivering one or more Thermonuclear weapon, thermonuclear warheads). Conven ...
s. Additionally, the tactical nuclear weapons most likely to be used first (i.e., the smallest, low-yield weapons such as
nuclear artillery Nuclear artillery is a subset of limited-nuclear weapon yield, yield tactical nuclear weapons, in particular those weapons that are launched from the ground at battlefield targets. Nuclear artillery is commonly associated with shell (projectile ...
dating from the 1960s) have usually been under less stringent political control at times of military combat crises than strategic weapons. Early
Permissive action link A permissive action link (PAL) is an access control security device for nuclear weapons. Its purpose is to prevent unauthorized arming plug, arming or Nuclear chain reaction, detonation of a nuclear weapon. The United States Department of Defens ...
s (PALs) could be as simple as a mechanical combination lock. If a relatively junior officer in control of a small tactical nuclear weapon (e.g., the M29 Davy Crockett) were in imminent danger of being overwhelmed by enemy forces, he could request permission to fire it and, due to decentralized control of warhead authorization, his request might quickly be granted during a crisis. For these reasons, stockpiles of tactical nuclear warheads in most countries' arsenals have been dramatically reduced c. 2010, and the smallest types have been completely eliminated. Additionally, the increased sophistication of "Category F" PAL mechanisms and their associated communications infrastructure mean that centralized control of tactical nuclear warheads (by the country's most senior political leaders) can now be retained, even during combat. Some
variable yield Variable yield, or dial-a-yield, is an option available on most modern nuclear weapons. It allows the operator to specify a weapon's yield, or explosive power, allowing a single design to be used in different situations. For example, the Mod-10 ...
nuclear warheads such as the
B61 nuclear bomb The B61 nuclear bomb is the primary thermonuclear weapon, thermonuclear gravity bomb in the United States Enduring Stockpile following the end of the Cold War. It is a low-to-intermediate yield strategic nuclear weapon, strategic and tactical nuc ...
have been produced in both tactical and strategic versions. Whereas the lowest selectable yield of a tactical B61 (Mod 3 and Mod 4) is 0.3 kilotons (300 tons), modern PAL mechanisms ensure that centralized political control is maintained over each weapon, including their destructive yields. With the introduction of the B61 Mod 12, the United States will have four hundred identical nuclear bombs whose strategic or tactical nature will be set purely by the mission and target as well as type of aircraft on which they are carried. According to several reports, including by the
Carnegie Endowment for International Peace The Carnegie Endowment for International Peace (CEIP) is a nonpartisan international affairs think tank headquartered in Washington, D.C., with operations in Europe, South Asia, East Asia, and the Middle East, as well as the United States. Foun ...
and
Bulletin of the Atomic Scientists The ''Bulletin of the Atomic Scientists'' is a nonprofit organization concerning science and global security issues resulting from accelerating technological advances that have negative consequences for humanity. The ''Bulletin'' publishes conte ...
, as a result of the effectiveness and acceptability of
USAF The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
use of precision munitions with little collateral damage in the
Kosovo conflict The Kosovo War (; sr-Cyrl-Latn, Косовски рат, Kosovski rat) was an armed conflict in Kosovo that lasted from 28 February 1998 until 11 June 1999. It ...
in what amounted to strategic destruction once only possible with nuclear weapons or massive bombing,
Vladimir Putin Vladimir Vladimirovich Putin (born 7 October 1952) is a Russian politician and former intelligence officer who has served as President of Russia since 2012, having previously served from 2000 to 2008. Putin also served as Prime Minister of Ru ...
, then-secretary of
Security Council of Russia The Security Council of the Russian Federation ( SCRF or Sovbez; ) is a constitutional consultative body of the Russian president that supports the president's decision-making on national security affairs and matters of strategic interest. Comp ...
, formulated a concept ("escalate to de-escalate") of using both tactical and strategic nuclear threats and strikes to de-escalate or cause an enemy to disengage from a conventional conflict threatening what Russia considers a strategic interest. The lowered threshold for use of nuclear weapons by Russia is disputed by other experts.


Treaty control

Ten
NATO The North Atlantic Treaty Organization (NATO ; , OTAN), also called the North Atlantic Alliance, is an intergovernmental organization, intergovernmental Transnationalism, transnational military alliance of 32 Member states of NATO, member s ...
member countries have advanced a confidence-building plan for NATO and Russia that could lead to treaties to reduce the tactical nuclear weapons in Europe. , NATO was moving forward with a plan to upgrade its tactical nuclear weapons with precision guidance that would make them equivalent to strategic weapons in effects against hardened targets, and to carry them on stealth aircraft that are much more survivable against current air defenses.


Speculation on usage


Cold War

The 1987
Intermediate-Range Nuclear Forces Treaty The Intermediate-Range Nuclear Forces Treaty (INF Treaty) was an arms control treaty between the United States and the Soviet Union (and its successor state, the Russia, Russian Federation). President of the United States, US President Ronald Rea ...
decreased tensions by banning ground-launched missiles and launchers with ranges 500 km to 5,500 km (
ICBM An intercontinental ballistic missile (ICBM) is a ballistic missile with a range (aeronautics), range greater than , primarily designed for nuclear weapons delivery (delivering one or more Thermonuclear weapon, thermonuclear warheads). Conven ...
threshold), especially in Europe.


Russian invasion of Ukraine

During the
Russian invasion of Ukraine On 24 February 2022, , starting the largest and deadliest war in Europe since World War II, in a major escalation of the Russo-Ukrainian War, conflict between the two countries which began in 2014. The fighting has caused hundreds of thou ...
, there has been constant speculation about whether
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
's president
Vladimir Putin Vladimir Vladimirovich Putin (born 7 October 1952) is a Russian politician and former intelligence officer who has served as President of Russia since 2012, having previously served from 2000 to 2008. Putin also served as Prime Minister of Ru ...
will use a tactical nuclear weapon either against
Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...
or in a demonstration strike over unpopulated areas, given that the course of the war does not seem favorable to what the
Kremlin The Moscow Kremlin (also the Kremlin) is a fortified complex in Moscow, Russia. Located in the centre of the country's capital city, the Moscow Kremlin (fortification), Kremlin comprises five palaces, four cathedrals, and the enclosing Mosco ...
anticipated, and several members of the Russian government have threatened the use of nuclear weapons. On 25 March 2023, President Putin announced the stationing of tactical nuclear weapons in Belarus. Russia would maintain control of the weapons. the weapons are a small number of Iskander missile warheads. Russia plans to finish a “storage facility” for tactical nuclear weapons by July 1. President Putin told Russian state television: "There is nothing unusual here either…Firstly, the United States has been doing this for decades. They have long deployed their tactical nuclear weapons on the territory of their allied countries." In December 2023, Belarusian president
Alexander Lukashenko Alexander Grigoryevich Lukashenko (also transliterated as Alyaksandr Ryhoravich Lukashenka; born 30 August 1954) is a Belarusian politician who has been the first and only president of Belarus since the office's establishment in 1994, making hi ...
announced that the nuclear weapons deliveries were completed that October. In May 2024,
Vladimir Putin Vladimir Vladimirovich Putin (born 7 October 1952) is a Russian politician and former intelligence officer who has served as President of Russia since 2012, having previously served from 2000 to 2008. Putin also served as Prime Minister of Ru ...
announced that
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
would be holding drills with tactical nuclear weapons, days after responding to comments from senior Western officials.


Examples

*
B43 nuclear bomb The B43 was a United States air-dropped variable yield thermonuclear weapon used by a wide variety of fighter bomber and bomber aircraft. The B43 was developed from 1956 by Los Alamos National Laboratory, entering production in 1959. It enter ...
*
B57 nuclear bomb The B57 nuclear bomb was a tactical nuclear weapon developed by the United States during the Cold War. Development began at the Los Alamos National Laboratory in 1960 to meet a requirement for a multi-purpose weapon, suitable for use as a nuclear ...
*
B61 nuclear bomb The B61 nuclear bomb is the primary thermonuclear weapon, thermonuclear gravity bomb in the United States Enduring Stockpile following the end of the Cold War. It is a low-to-intermediate yield strategic nuclear weapon, strategic and tactical nuc ...
Mod-3, Mod-4, Mod -10 * Blue Peacock * Nasr (tactical nuclear missile) *
W25 (nuclear warhead) The W25 was a small nuclear warhead that was developed by the Los Alamos Scientific Laboratory for air-defense use. It was a fission device with a nominal yield of 1.7 kt. The W25 was used for the MB-1 "Ding Dong", an unguided air-to-air r ...
*
W33 (nuclear weapon) The W33 (also known as the Mark 33, T317 and M422) was an American nuclear artillery shell designed for use in the M110 howitzer and M115 howitzer. A total of 2,000 W33 projectiles were produced, with the first production warheads entering th ...
*
W80 (nuclear warhead) The W80 is a low to intermediate yield two-stage thermonuclear warhead deployed by the U.S. enduring stockpile with a variable yield ("dial-a-yield") of . It was designed for deployment on cruise missiles and is the warhead used in all nuclea ...
* W85 (nuclear warhead) * :Nuclear mines * M-28 & M-29 Davy Crocketts with W54 nuclear warhead ** Medium Atomic Demolition Munition *
Shaurya ''Shaurya'' ( ''Valour'') is a 2008 Indian Hindi-language legal drama film directed by Samar Khan and produced by Moser Baer. The film stars Kay Kay Menon, Rahul Bose, Javed Jaffrey, Deepak Dobriyal, and Minissha Lamba. The film is based ...
*
Red Beard is a 1965 Japanese ''jidaigeki'' film co-written, edited, and directed by Akira Kurosawa, in his last collaboration with actor Toshiro Mifune. Based on Shūgorō Yamamoto's 1959 short story collection, '' Akahige Shinryōtan'', the film takes p ...
* TNA (Tête nucléaire aéroportée) *
Special Atomic Demolition Munition The Special Atomic Demolition Munition (SADM), also known as the XM129 and XM159 Atomic Demolition Charges, and the B54 bomb was a nuclear man-portable atomic demolition munition (ADM) system fielded by the US military from the 1960s to 1980s ...
*
Nuclear artillery Nuclear artillery is a subset of limited-nuclear weapon yield, yield tactical nuclear weapons, in particular those weapons that are launched from the ground at battlefield targets. Nuclear artillery is commonly associated with shell (projectile ...


See also

*
List of nuclear weapons This is a list of nuclear weapons listed according to country of origin, and then by type within the states. The United States, Russia, China and India are known to possess a nuclear triad, being capable to deliver nuclear weapons by land, sea a ...


References


External links


CRS Report for Congress
{{DEFAULTSORT:Tactical Nuclear Weapon Articles containing video clips