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Nuclear triad
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Nuclear triad
A nuclear triad is a three-pronged military force structure of global-range land-based intercontinental ballistic missiles (ICBMs), submarine-launched ballistic missiles (SLBMs), and strategic bombers with nuclear bombs and missiles. More broadly, it can sometimes be used to mean any nuclear force with land, sea, and air basing, and more limited range. Countries build nuclear triads to eliminate an enemy's ability to destroy a nation's nuclear forces in a first-strike attack, which preserves their own ability to launch a second strike and therefore increases their nuclear deterrence.
Three countries are known to have a global-range triad: the United States, Russia, and China. While the US and the USSR (the predecessor state to Russia) acquired triads as part of the Cold War's nuclear arms race, operationalizing SLBMs during the 1960s, China achieved a viable triad in 2020 with its JL-1 air-launched ballistic missile.
India possesses ICBMs but its SLBMs are not yet intercontinental-range and its fighter-bombers are not planned to be. Pakistan possesses medium-range fighter-bombers and missiles and is developing a submarine-launched cruise missile capability. Israel's Jericho missiles may include ICBMs, and it possesses medium-range fighter-bombers, and the Popeye Turbo submarine-launched cruise missile.
While traditional nuclear strategy holds that a nuclear triad provides the best level of deterrence from attack, most nuclear powers do not have the military budget to sustain a full triad. The only two countries that have successfully maintained a strong nuclear triad for most of the nuclear age are the United States and Russia. Triads include:
The triad enables a nation to deliver a nuclear attack by air from land or sea. The United States built its triad to maximize the probability that it could retaliate for a first strike. Having three legs also protects against new technology, like an enemy missile-defense system. It also gives the commander-in-chief the flexibility to use different types of weapons for the appropriate strike while also maintaining a reserve of nuclear weapons safe from a counter-force strike.
Tactical nuclear weapons, also known as non-strategic nuclear weapons, are used in air, land and sea warfare. Their primary use in a non-strategic war-fighting role is to destroy military forces in the battle area. But, depending on the target in today's nuclear age, they are not counted toward triad status because of the possibility that many of these systems could be used as strategic weapons. During the Cold War, it was easy to point out which nuclear weapons were tactical. Each type of weapon had different capabilities that were better suited for different missions. Air-to-air missiles, rockets, surface-to-air missiles, small air-to-ground rockets, bombs, and precision munitions have been developed and deployed with nuclear warheads. Ground forces have included tactical nuclear artillery shells, surface-to-surface rockets, land mines, medium and small man-packable nuclear engineering demolition charges, and even man-carried or vehicle-mounted recoilless rifles. Naval forces have carried weapons that include nuclear-armed naval rockets, depth charges, torpedoes, and naval gunnery shells.
The table uses the following identifiers:
Many countries formerly operated a wider range of strategic and especially tactical systems, especially during the Cold War. While most of these are no longer operational, Russia is the only country as of 2025 believed to operate nuclear-armed anti-ballistic missiles, surface-to-air missiles, anti-ship missiles anti-submarine weapons, depth bombs, and torpedoes.
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Nuclear triad
A nuclear triad is a three-pronged military force structure of global-range land-based intercontinental ballistic missiles (ICBMs), submarine-launched ballistic missiles (SLBMs), and strategic bombers with nuclear bombs and missiles. More broadly, it can sometimes be used to mean any nuclear force with land, sea, and air basing, and more limited range. Countries build nuclear triads to eliminate an enemy's ability to destroy a nation's nuclear forces in a first-strike attack, which preserves their own ability to launch a second strike and therefore increases their nuclear deterrence.
Three countries are known to have a global-range triad: the United States, Russia, and China. While the US and the USSR (the predecessor state to Russia) acquired triads as part of the Cold War's nuclear arms race, operationalizing SLBMs during the 1960s, China achieved a viable triad in 2020 with its JL-1 air-launched ballistic missile.
India possesses ICBMs but its SLBMs are not yet intercontinental-range and its fighter-bombers are not planned to be. Pakistan possesses medium-range fighter-bombers and missiles and is developing a submarine-launched cruise missile capability. Israel's Jericho missiles may include ICBMs, and it possesses medium-range fighter-bombers, and the Popeye Turbo submarine-launched cruise missile.
While traditional nuclear strategy holds that a nuclear triad provides the best level of deterrence from attack, most nuclear powers do not have the military budget to sustain a full triad. The only two countries that have successfully maintained a strong nuclear triad for most of the nuclear age are the United States and Russia. Triads include:
The triad enables a nation to deliver a nuclear attack by air from land or sea. The United States built its triad to maximize the probability that it could retaliate for a first strike. Having three legs also protects against new technology, like an enemy missile-defense system. It also gives the commander-in-chief the flexibility to use different types of weapons for the appropriate strike while also maintaining a reserve of nuclear weapons safe from a counter-force strike.
Tactical nuclear weapons, also known as non-strategic nuclear weapons, are used in air, land and sea warfare. Their primary use in a non-strategic war-fighting role is to destroy military forces in the battle area. But, depending on the target in today's nuclear age, they are not counted toward triad status because of the possibility that many of these systems could be used as strategic weapons. During the Cold War, it was easy to point out which nuclear weapons were tactical. Each type of weapon had different capabilities that were better suited for different missions. Air-to-air missiles, rockets, surface-to-air missiles, small air-to-ground rockets, bombs, and precision munitions have been developed and deployed with nuclear warheads. Ground forces have included tactical nuclear artillery shells, surface-to-surface rockets, land mines, medium and small man-packable nuclear engineering demolition charges, and even man-carried or vehicle-mounted recoilless rifles. Naval forces have carried weapons that include nuclear-armed naval rockets, depth charges, torpedoes, and naval gunnery shells.
The table uses the following identifiers:
Many countries formerly operated a wider range of strategic and especially tactical systems, especially during the Cold War. While most of these are no longer operational, Russia is the only country as of 2025 believed to operate nuclear-armed anti-ballistic missiles, surface-to-air missiles, anti-ship missiles anti-submarine weapons, depth bombs, and torpedoes.