What is the name of the largest submarine in the world?
K-550 Alexander Nevsky
528
K-535 by Yuri Dolgoruky
255
TK-208 Dmitriy Donskoy
607
Dmitriy Donskoy (TK-208) is a Russian Navy nuclear ballistic missile submarine, designated Project 941 Akula class (NATO reporting name Typhoon). With the decommissioning and scrapping of her Typhoon sister boats (TK-202, TK-13, Simbirsk, Arkhangelsk, Severstal, and TK-210), she is the largest submarine in the world in active service.