Viktor Leonov CCB 175

51st Ind. Intelligence Scout Ships Battalion (Severomorsk)
Subordinate to :
Kolskaya (Kola Peninsula) Flotilla of diverse forces (Polyarny)

Commissioned 1988
Originally named Odograf
Renamed from 04.2004 - Viktor Leonov

The Vishnya class (also known as the Meridian class) are a group of Intelligence collection ships built for the Soviet Navy in the 1980s. The ships continue in service with the Russian Navy. The Soviet designation is Project 864.

These ships are large, purpose built ships designed for SIGINT and COMINT electronic intelligence via an extensive array of sensors. The data could be transmitted to shore via satellite link antennas housed in two large radomes. The ships are armed with 2 30mm guns and anti aircraft missiles.