The Canada-class submarine was a proposed class of ten nuclear-powered attack submarines to be built for Canadian Forces Maritime Command (today's Royal...

(renamed to Royal Canadian Navy in 2011) to replace their decommissioned Oberon-class submarines in 1998. In Canadian service, the submarines are classified...

Trafalgar class is a class of nuclear-powered fleet submarines (SSNs) in service with the Royal Navy, and the successor to the Swiftsure class. Like the...

The Rubis class is a class of nuclear-powered attack submarines operated by the French Navy. It comprises six boats, the first entering service in 1983...

new type of nuclear ballistic missile submarine, as a reaction to the United States Navy's new Ohio-class submarine. The Russian Navy cancelled its Typhoon...

series of nuclear-powered ballistic missile submarines being constructed by Sevmash for the Russian Navy. The class has been replacing the steadily retiring...

Oberon class was a ship class of 27 British-designed submarines operated by five nations. They were designed as a follow-on from the Porpoise class; physical...

Balao class was a design of United States Navy submarine used during World War II, and with 120 boats completed, the largest class of submarines in the...

The British H-class submarines were Holland 602 type submarines used by the Royal Navy. The submarines constructed for the British Royal Navy between 1915...

212CD class (for Common Design) is a submarine class developed by ThyssenKrupp Marine Systems (TKMS) for the Norwegian and German navies. The class is derived...

Tench-class submarines were a type of submarine built for the United States Navy (USN) between 1944 and 1951. They were an improvement over the Gato and...

Hai Kun-class submarine (Chinese: 海鯤級潛艦, translation "Narwhal"), alternatively known as the Indigenous Defense Submarine (IDS) program, is a class of attack...

The list of submarine classes in service includes all submarine classes currently in service with navies or other armed forces worldwide. For surface...

The X class was a World War II midget submarine class built for the Royal Navy during 1943–44. It was substantially larger than the original Chariot manned...

The Type 212A is a class of diesel-electric attack submarine developed by Howaldtswerke-Deutsche Werft AG (HDW) for the German Navy (German: U-Boot-Klasse...

The American Holland-class submarines, also AG class or A class, were Holland 602 type submarines used by the Imperial Russian and Soviet Navies in the...

The Walrus-class submarine is the only submarine class currently in operation in the Royal Netherlands Navy. The boats have been in service since 1990...

class (Romeo acquired from the USSR) Royal Canadian Navy: Victoria-class submarine - 4 ex-RN Upholder-class in active service Oberon-class submarine (decommissioned...

Coastal). Class relationships: 438 SC-497-class submarine chaser (98t, wooden hull) 343 PC-461-class submarine chaser (450t, steel hull) 68 PCE-842-class patrol...

Typhoon class, the biggest submarines built. Submarines can work at greater depths than are survivable or practical for human divers. The word submarine means...

An attack submarine or hunter-killer submarine is a submarine specifically designed for the purpose of attacking and sinking other submarines, surface...

The Marconi class was a class of six submarines built for the Royal Italian Navy (Italian: Regia Marina). The submarines were all launched between 1939...

Australian Collins-class submarine replacement project, also known as SEA 1000, and the needs of other countries possibly including India and Canada. The Royal...

The Halifax-class frigate, also referred to as the City class, is a class of multi-role patrol frigates that have served the Royal Canadian Navy since...

The R-class submarines were a class of United States Navy coastal-defense submarines active from 1918 until 1945. With the first of the class laid down...

USS O-12 (SS-73) was an O-class submarine of the United States Navy. These later O-boats, O-11 through O-16, were designed by Lake Torpedo Boat to different...

List of Balao-class submarines and their dispositions. 120 of these boats were built during and after World War II, commissioned from February 1943 through...

The United States H-class submarines were Electric Boat design EB26A and EB26R design coastal patrol submarines used by the United States Navy. The first...

The Oberon class was a ship class of 27 British-designed submarines operated by five different nations. They were designed as a direct follow-on from the...

coastal defence vessels, 4 Victoria-class submarines, 4 Harry DeWolf-class offshore patrol vessels, 8 Orca-class patrol vessels, and several auxiliary vessels...