Zulu class submarines (1952)
Project 611 (NATO “Zulu”) conventional attack submarines 26 submarines 1952-57 The Project 611 (NATO Zulu class) were an early postwar attack submarine class contemporary, but more developed than the Project 613 (Whiskey class) on their replication of all innovations found in the the WW2 German Type XXI U-boat. They saw a limited production at Leningrad … Read more