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...

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

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...

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...

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...

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...

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...

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...

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

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...

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...

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...

accidents and incidents involving submarines and submersibles since 2000. In August 2000, the Russian Oscar II-class submarine Kursk sank in the Barents Sea...

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 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...

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...

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 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...

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...

submerged for six months, such as the Russian Typhoon class, (the biggest submarines ever built). Submarines can work at depths that are greater than what is...

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

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...

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...

of the Cold War. In 1998, Canada purchased the submarines to replace the aging Oberon-class submarines. Refit for Canadian service included the removal...

The CC-class submarine was the first class of submarines used by the Royal Canadian Navy. Designed as diesel-electric submarines for use as coastal defence...