Russian Submarine Delta IV Project 667 "Del'Fin". PLARB - Nuclear Powered Ballistic Missile Submarine. Armament : 16SS-N-23 RSM-54 Skif ballistic missiles & 4533 bow TT (12 torpedoes and or SS-N-15 Starfish82-P missiles). In Russian. They are called "Begemots" (Hippopotamus) by the Russians.