Lada-class Hunter-Killer Submarine

The Project 677 Lada-class submarine (Russian: Лада) is a class designed by the Russian Rubin Design Bureau. A program to develop a "fourth generation" diesel-electric submarine, it aimed to produce a highly improved version of the Project 636 Kilo II-class with much quieter, new combat systems, and air independent propulsion. The Lada-class is used by the Russian and Indian navies.

Russian Navy

 * RFK Sankt Peterburg (B-585)
 * RFK Kronshtadt (B-586) - fitting out
 * RFK Velikiye Luki (B-587) - under construction
 * RFK Unnamed - planned for construction
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Indian Navy

 * INS Unnamed - planned for construction
 * INS Unnamed - planned for construction
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 * INS Unnamed - planned for construction
 * INS Unnamed - planned for construction
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