Shipboard artillery A-220. Infographics
A-220 - Universal artillery installation caliber 57 mm. Work on the creation of a new naval artillery installation was begun in 1967 year. The development was carried out by the design office of the Gorky Machine-Building Plant (Central Research Institute "Burevestnik"). The landfill artillery tests took place from 26 August 1975 of the year to 28 of April 1977.
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