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Mutually Assured Destruction (MAD)

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Mutually assured destruction (MAD) is a Cold War doctrine of nuclear strategy holding that a full-scale nuclear strike by one power against a nuclear-armed adversary with a survivable second-strike force would guarantee the total annihilation of both attacker and defender, and that this mutual guarantee is itself what deters either side from ever striking first.

Facts
Core Claim
A nuclear-armed adversary that launches a full-scale strike will suffer national annihilation in the guaranteed retaliatory strike that follows, so neither side can rationally attack without being destroyed in turn. 1
Origin Year
1962 1
Marks Donald Brennan's coining of the term 'mutually assured destruction' at the Hudson Institute; the underlying deterrence logic took shape gradually through the late 1950s as both superpowers built survivable retaliatory forces, and is not attached to a single earlier founding date.
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Sources
1. Wikipedia: Mutual Assured Destruction
Wikipedialead paragraph
Quote, lead paragraph
MAD is a doctrine of military strategy and national security policy which posits that a full-scale use of nuclear weapons by an attacker on a nuclear-armed defender with second-strike capabilities would result in the complete annihilation of both the attacker and the defender.
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1. Wikipedia: Mutual Assured Destruction
Wikipediaetymology/history section
Quote, etymology/history section
The term 'mutually assured destruction', commonly abbreviated 'MAD', was coined by Donald Brennan, a strategist working in Herman Kahn's Hudson Institute in 1962.
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