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Lada class
Submarines · 
Sea · operated by 1 country on the map · 2 units on record
The Lada class (Project 677) is a Russian fourth-generation diesel-electric attack submarine by the Rubin Design Bureau, intended as an improved successor to the Project 636 Kilo with a quieter signature and new combat systems. It entered service in 2010; three boats are completed and two more building.
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Photo from open sources, shown for identification of the type · 2 photos in the gallery on the map
Operators
| Country | Branch | Quantity | |
|---|---|---|---|
 Russia | Russian Navy | 2 (+2 building, +1 ordered) | on the map → |
Note
Kronshtadt (B-586) was commissioned 31 Jan 2024 and Velikiye Luki (B-587) on 16 Dec 2025; the prototype Sankt Peterburg was decommissioned 5 Feb 2024. Vologda and Yaroslavl are under construction and a further boat is on order.