M 20 definition

M-20

(from the article `rocket and missile system`) Beginning in 1971, France deployed a series of solid-fueled SLBMs comprising the M-1, M-2 (1974), and M-20 (1977). The M-20, with a range of 1,800 ...
Found on http://www.britannica.com/eb/a-z/m/1

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