require costly dismantling and long term storage of the radioactive waste. The following navies currently operate SSNs: People's Liberation Army Navy of China French Navy Indian Navy Russian Navy Royal Navy of the United Kingdom United States Navy Active and future SSN classes Royal Australian Navy Australian Nuclear Attack Submarine - At least 8 planned Brazilian Navy Riachuelo-class submarine - 1 under construction People's Liberation Army Navy of the People's Republic of China Han-class submarine (Type 091) - 3 in service, 2 retired Type 093 submarine - 6 in service Type 095 submarine - 5 planned in total French Navy - 5 in service, 1 retired Barracuda-class submarine - 1 in service, 6 planned in total Indian Navy - 1 was in service, but returned to Russia in June 2021 before end of lease 1 more submarine leased to be delivered by 2025 Project 75 Alpha - 6 planned in total Russian Navy Victor III-class submarine - 3 in service, 45 retired Sierra II-class submarine - 2 in service - 10 in service, 4 retired Yasen-class submarine - 1 in service, 12 planned in total Royal Navy of the United Kingdom Known as "fleet submarines" in the Royal Navy - 3 in service, 4 retired - 4 in service, 7 planned in total SSN(R) - First design contract awarded United States Navy - 30 in service, 32 retired - 3 in service - 19 in service, 48 planned in total - 19 in service - planned Retired SSN classes Indian Navy INS Chakra - leased Soviet Charlie-class submarine commissioned between 1987 – 1991. Royal Navy of the United Kingdom - the Royal Navy's first nuclear-powered fleet submarine 1963 - 1980 - 2 submarines in service 1966 - 1994 - 3 submarines in service 1970 - 1992 - 6 submarines 1973-2010 Soviet / Russian Navy November-class submarine 1958-1991 K-278 Komsomolets - only member of the "Mike" class, 1984 - 1989 (sank after fire) Alfa-class submarine United States Navy (unique) (unique) - 4 submarines in service 1957 - 1989 - 6 submarines in service 1959 - 1990 (One lost, 1968) USS Triton (SSN-586) (unique) USS Halibut (SSN-587) (unique) - 14 submarines in service 1961 - 1996 (One lost, 1963) (unique) - 37 submarines in service 1967 - 2004 (unique) (unique) See also Nuclear submarine Ballistic missile submarine (SSB/SSBN) Cruise missile submarine (SSG/SSGN) List of submarine classes List of submarine classes of the