Tango-class submarine

The Tango class was the NATO reporting name of a class of diesel-electric submarines that were built in the Soviet Union to replace the Foxtrot-class submarines assigned to the Black Sea and Northern Fleets. The Soviet designation of this class was Project 641B and it was also known as the Som (Catfish) class. The first of the class was completed in 1972 at Gorky. A total of 18 were built in two slightly different versions. The later type was several metres longer than the first, possibly because of the installation of ASW missile equipment.

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Wikimedia, Wikidata
Project 641B Som; Som; Tango class submarine
length 92 metre, beam 8.6 metre, draft 5.7 metre, Type 53, 
attack submarine, Soviet Navy, Russian Navy, Soviet Union, 

B-307, 

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  B-307 ⓘ
  

Frameless

Tango class submarine

A port quarter view of a Russian Tango-class diesel-powered attack submarine underway - DPLA - 6348ba546283bed20918a84b8e173869

A starboard view of the conning tower on a Soviet Tango class patrol submarine (SS) underway - DPLA - 3eb365b805eb464637a54a5a70b9972a

PM-24&proekt641B-1986

Type	Subtype	Date	Description	Notes	Source
object	watercraft		B-307	Tango-class submarine, attack submarine	Wikidata
commons	image		Tango class submarine		Commons
commons	image		A port quarter view of a Russian Tango-class diesel-powered attack submarine underway - DPLA - 6348ba546283bed20918a84b8e173869		Commons
commons	image		A starboard view of the conning tower on a Soviet Tango class patrol submarine (SS) underway - DPLA - 3eb365b805eb464637a54a5a70b9972a		Commons
commons	image		PM-24&proekt641B-1986		Commons