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In page Storozhevoy-class destroyer:

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Fire control for the main battery of the Storozhevoys was provided by a Mina-7 fire-control system that was derived from an Italian Galileo system. It included a TsAS-2 mechanical analog computer that received information from a KDP2-4 gunnery director on the roof of the bridge which mounted a pair of DM-4 four-meter (13 ft 1 in) stereoscopic rangefinders. Anti-aircraft fire control was strictly manual with only a DM-3 three-meter (9 ft 10 in) rangefinder to provide data to the guns. Some ships received the Soyuz high-angle fire-control system for the 34-K guns. It consisted of a mechanical analog computer, a Gazon vertical gyroscope and an SVP-29 stabilized viewfinder. The system could handle targets like bombers flying level, but was useless against aircraft attacking in a dive.[5]