2x Project 670M Chayka/Charlie II class SSGN & 2x Project 675/Echo II class SSGN : r/submarines
Aircraft Carriers Sunk: Meet the Powerful Russian Oscar-Class Submarines | The National Interest
The_Sub_Hunter on Twitter: "Soviet Echo class guided missile submarine These were first generation submarines designed to fire their missiles from the surface Two types were built the first project 659 NATO echo