Submarines

The FNRS-2 was the first bathyscaphe.

The SP-350 Denise, famous as the "Diving saucer" (Soucoupe plongeante), is a small submarine designed to hold two people, and is capable of exploring depths of up to 400 metres (1,300 ft).

A submarine aircraft carrier is a submarine equipped with aircraft for observation or attack missions.

Submarine warfare is one of the four divisions of underwater warfare, the others being anti-submarine warfare, mine warfare and mine countermeasures.

A submarine is a watercraft capable of independent operation underwater.

The Submarine Cargo Vessel (Russian: Подводное транспортное судно) is a proposed idea from the Russian Rubin Design Bureau.

A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content of each breath.

The British Royal Navy M-class submarines were a small class of diesel-electric submarines built during World War I.

The Italian Argonauta-class submarine was a series of 600 ton submarines built for and operated by the Regia Marina.

Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe, which with its crew of two reached a record maximum depth of about 10,911 metres (35,797 ft), in the deepest known part of the Earth's oceans, the Challenger Deep, in the Mariana Trench near Guam in the Pacific.

The Novator RK-55 Granat (Russian: РК-55 Гранат 'Garnet'; NATO: SSC-X-4 'Slingshot'; GRAU: 3K10) was a Soviet land-based cruise missile with a nuclear warhead.

Neger (German for Negro) was a torpedo-carrying craft generally described as a human torpedo which could not submerge, but was difficult to see during night operations.

41 for Freedom refers to the US Navy Fleet Ballistic Missile (FBM) submarines from the George Washington, Ethan Allen, Lafayette, James Madison, and Benjamin Franklin classes.

Atlantis Submarines is a passenger submarine company.

Sub Marine Explorer is a submersible built between 1863 and 1866 by Julius H.

The Lake Torpedo Boat Company of Bridgeport, Connecticut was an early builder of submarines for the United States Navy.

The Submarine Voyage was an attraction at Disneyland in Anaheim, California.

HMS Vengeful was a Second World War British submarine of the V class.

The Naval Submarine Medical Research Laboratory (NSMRL) is located on the New London Submarine Base in Groton, Connecticut.

Human torpedoes or manned torpedoes are a type of rideable submarine used as secret naval weapons in World War II.

Basic Enlisted Submarine School (BESS) is the U.

Antipodes (Perry / Hoffmann / Marlin / SAL) is a 5-person manned submersible that was first built in 1973 as a diver lock-out sub by Perry Submarine, named PC-1501, where it spent several years operating in the North Sea oil fields.

The DeepFlight Super Falcon is a personal submarine designed by Graham Hawkes, a former civilian ocean engineer.

The International Submarine Escape and Rescue Liaison Office ("ISMERLO") was established in 2003.