The MR 31 was a French
nuclear warhead
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 bom ...
for the
S2 medium-range ballistic missile.
The weapon had a yield of and weighed . It was apparently a pure
plutonium
Plutonium is a radioactive chemical element with the symbol Pu and atomic number 94. It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. The element normally exhibi ...
device and unboosted, and the largest pure plutonium weapon ever built.
Entering service in August 1970 it was withdrawn from service by June 1980.
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See also
* force de frappe
The ''Force de frappe'' (French language, 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 ...
* FOST
* nuclear tests by France
References
Nuclear warheads of France
Military equipment introduced in the 1970s
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