This is a list of submarine classes, sorted by country. The navies of 46 states operate submarines. Algeria Raïs Hadj Mubarek class (Type 877EKM Kilo) Raïs Hadj Slimane class (Type 877EKM Kilo) 2 Project 636 (in order) Albania Whiskey-class Argentina Armada de la República Argentina: Santa Fe class (1930s built in Italy — decommissioned) Santa Fe (1960s US-built Balao - decommissioned) Santa Fe S-21 (1970s US-built Guppy - decommissioned) Santa Cruz-class (German-built TR-1700 - one remaining boat inactive) Salta-class (German-built Type 209/1200 - inactive; one used for dockside training) Australia Royal Australian Navy: Oberon class (decommissioned) Collins class (Type 471) Azerbaijan Triton-1 class midget submarine Triton-2M midget submarine Bangladesh Bangladesh Navy: Ming class (Type 035/based on Romeo) Brazil Brazilian Navy: Foca-class (1913) - (decommissioned) Humaita (1927) - (decommissioned) Tupi class (1937) - (decommissioned) Goiaz class (GUPPY III) (decommissioned) Bahia class (GUPPY II) (decommissioned) Humaita class (Oberon) (decommissioned) Tupi class (Type 209/1400) Tikuna (modified Tupi class) (modified Type 209/1400) Scorpéne in order (with technology transference) SSN being developed with French help Bulgaria Slava class (Romeo acquired from the USSR) Canada Royal Canadian Navy: Victoria-class submarine - 4 ex-RN Upholder-class in active service Oberon-class submarine (decommissioned after 2000); 3 acquired and 2 for training and spares; 2 sold as museum ship (HMCS Ojibwa (S72) and HMCS Onondaga (S73)) and 3 scrapped (HMS Olympus (S12), HMS Osiris (S13), HMCS Okanagan (S74)) Tench-class submarine (decommissioned); built for United States Navy; USS Argonaut (SS-475) renamed HMCS Rainbow 1968 and retired 1974 Balao-class submarine (decommissioned); built for United States Navy; USS Burrfish (SS-312) acquired 1961 and renamed as HMCS Grisle and served until 1969; return to USN and later scrapped. British H-class submarine (decommissioned); built in United States; acquired 1919 HMCS CH-14 and HMCS CH-15 and disposed 1927 and 1922 respectively CC-class submarine (decommissioned); built in United States for Chilean Navy and sold to British Columbia 1913; CC-1 and CC-2 Commissioned Royal Canadian Navy 1914; scrapped in 1920 Captured and recommissioned German U-boats Captured and recommissioned German U-boats - German Type IX submarines German submarine U-190 and German submarine U-889 Chile Capitan O'Brien class - built in Britain in late 1920s O'Brien class (Oberon) (decommissioned) Thomson class (Type 209/1400) (upgraded) O'Higgins class (Scorpène) People's Republic of China People's Liberation Army Navy: Type 03 class (Whiskey) (decommissioned) Type 031 class (Golf) (SSB) Type 033 class (Romeo) Wuhan class (Type 033G, license built Romeo) Ming class (Type 035/based