MR 31
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MR 31
The MR 31 was a French nuclear warhead for the S2 medium-range ballistic missile. The weapon had a yield of and weighed . It was apparently a pure plutonium device and unboosted, and the largest pure plutonium weapon ever built. Entering service in August 1970 it was withdrawn from service by June 1980. See also * force de frappe The ''Force de frappe'' ( French: "strike force"), or ''Force de dissuasion'' ("deterrent force") after 1961,Gunston, Bill. Bombers of the West. New York: Charles Scribner's and Sons; 1973. p104 is the designation of what used to be a triad of ... * FOST * nuclear tests by France References Nuclear warheads of France Military equipment introduced in the 1970s {{France-stub ...
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Fission Bomb
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions ( thermonuclear bomb), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter. The first test of a fission ("atomic") bomb released an amount of energy approximately equal to . The first thermonuclear ("hydrogen") bomb test released energy approximately equal to . Nuclear bombs have had yields between 10 tons TNT (the W54) and 50 megatons for the Tsar Bomba (see TNT equivalent). A thermonuclear weapon weighing as little as can release energy equal to more than . A nuclear device no larger than a conventional bomb can devastate an entire city by blast, fire, and radiation. Since they are weapons of mass destruction, the proliferation of nuclear weapons is a focus of international relations policy. Nuclear weapons have been deploy ...
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S2 (missile)
The S2 was the first deployed French land-based strategic missile, equipped with a single nuclear warhead of 120 kilotonnes. In French it is called a , (''SSBS'' or "ground-ground strategic ballistic missile"). The S2 was a two-stage, solid-propellant medium-range ballistic missile (MRBM). Operational history Deployed in 1971, the main land-based component of the French nuclear deterrent () was the S2 missile, rounding out their strategic nuclear triad along with air and SSBN, submarine assets. Two groups totalling 18 S2 missile silos were deployed at Apt-Saint-Christol airbase, on the Plateau d'Albion in the Vaucluse region. The S2 was replaced by the S3 (missile), S3 SSBS in the early 1980s. References

{{French nuclear missiles Intermediate-range ballistic missiles Ballistic missiles of France Nuclear missiles of France Projects established in 1971 1970s in France Military equipment introduced in the 1970s ...
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Medium-range Ballistic Missile
A medium-range ballistic missile (MRBM) is a type of ballistic missile with medium range, this last classification depending on the standards of certain organizations. Within the U.S. Department of Defense, a medium-range missile is defined by having a maximum range of between . In modern terminology, MRBMs are part of the wider grouping of theatre ballistic missiles, which includes any ballistic missile with a range of less than . Specific MRBMs * DF-2 * DF-16 * DF-17 * DF-21 ( China) , (Saudi Arabia) * SSBS S1 * Agni II * Agni-P * Ashoura * Emad * Fajr-3 (estimation) * Ghadr-110 * Khorramshahr (missile) * Sejjil * Shahab-3 * Badr-2000 * Jericho II * Hwasong-9 * Hwasong-10/RD-B Musudan * Pukkuksong-1 * Pukkuksong-2 * Pukkuksong-2 * Rodong-1 * Ababeel * Ghauri-I * Ghauri-II * Ghauri-III (Cancelled) * Shaheen-II * Shaheen-III
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