The Vishnya-class is a group of intelligence-collection ships that were built for the Soviet Navy in the 1980s and are designed for signals intelligence gathering using extensive arrays of sensors and satellite link antennas for data transmission.
November 13, 2025
high
technical
Design purpose and data-transmission capabilities of the Vishnya-class intelligence ships.
Vishnya-class intelligence ships are armed for last-resort self-defense with two AK-630 close-in weapon systems and SA-N-8 surface-to-air missile launchers.
November 13, 2025
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military_equipment
Typical self-defense armament fitted on Vishnya-class signals-intelligence vessels.
As of 2025, seven Vishnya-class ships were reported to remain in service with the Russian Navy.
November 13, 2025
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operational
Reported number of Vishnya-class intelligence-collection ships remaining in Russian Navy service.