Encyclopedia - Submarine: Encyclopedia - Submarine
A submarine is a specialized watercraft that can operate underwater. Most major navies use submarines. Submarines are also used for marin...   » Read the article

Encyclopedia - Submarine: Encyclopedia Ii - Submarine - History Of Submarines
Submarine - Early history of submarines and the first submersibles. A far ancestor for a submarine is probably a 17th century Ukrainian...   » Read the article

Encyclopedia - Submarine: Encyclopedia Ii - Submarine - Military Submarines
There are probably more military submarines in operation than any other type of submarine, though it is difficult to obtain exact figures...   » Read the article

Encyclopedia - Yellow Submarine: Encyclopedia - Yellow Submarine
Yellow Submarine can refer to: Yellow Submarine (song), Original song by The Beatles, released in 1966. Yellow Submarine (film), Feature...   » Read the article

Encyclopedia - Asherah Submarine: Encyclopedia - Asherah Submarine
The Asherah is or was a two-man research submarine launched in 1964. Made by General Dynamics, Groton, Connecticut, USA, it can dive to 6...   » Read the article

Encyclopedia - Typhoon Class Submarine: Encyclopedia - Typhoon Class Submarine
4×650 mm torpedo tubes →RPK-7 Vodopei AShMs →Type 65K torpedoes 2×533 mm torpedo tubes →RPK-2 Viyoga cruise missiles →Type 53 t...   » Read the article

Encyclopedia - Anti-submarine Weapon: Encyclopedia - Anti-submarine Weapon
An anti-submarine weapon is any weapon system designed for anti-submarine warfare (ASW), that is to attack and destroy enemy submarines a...   » Read the article

Encyclopedia - Akula Class Submarine: Encyclopedia - Akula Class Submarine
Project 971 Щука-Б (Shchuka-B, 'Shchuka' meaning pike, NATO reporting name "Akula"), is a nuclear-powered attack submarine (SSN) fir...   » Read the article

Encyclopedia - Collins Class Submarine: Encyclopedia - Collins Class Submarine
Collins Class submarines are a class of submarine built in Australia for the Royal Australian Navy. They were built by the Australian Sub...   » Read the article

Encyclopedia - Astute Class Submarine: Encyclopedia - Astute Class Submarine
When completed, the Astute class will comprise the largest nuclear-powered attack submarines of the Royal Navy. As the Swiftsure-class su...   » Read the article

Encyclopedia - Alfa Class Submarine: Encyclopedia - Alfa Class Submarine
The Soviet Union/Russian Navy Project 705 (Lira) were a submarine class of hunter/killer nuclear powered vessels (Podvodnaya Lodka Atomna...   » Read the article

Encyclopedia - Xia Class Submarine: Encyclopedia - Xia Class Submarine
The 6,500-ton Type 092 (US Dep't of Defense designation Xia-class) submarine was the first ballistic missile-carrying, nuclear-powered su...   » Read the article

Encyclopedia - Communication With Submarines: Encyclopedia - Communication With Submarines
Because electromagnetic radiation such as normal radio communication cannot travel through thick conductors such as salt water, communica...   » Read the article

Encyclopedia - Victor Class Submarine: Encyclopedia - Victor Class Submarine
The Victor class is the general NATO classification for a type of nuclear-powered submarine that was originally put into service by the S...   » Read the article

Encyclopedia - Unrestricted Submarine Warfare: Encyclopedia - Unrestricted Submarine Warfare
Unrestricted submarine warfare is a kind of naval warfare in which submarines sink merchant ships without warning. Such surprise attacks ...   » Read the article

Encyclopedia - Vanguard Class Submarine: Encyclopedia - Vanguard Class Submarine
The Royal Navy's Vanguard class of nuclear ballistic missile submarines (SSBNs), each armed with 16 Trident II SLBMs, includes four boats...   » Read the article

Encyclopedia - Benjamin Franklin Class Submarine: Encyclopedia - Benjamin Franklin Class Submarine
The Benjamin Franklin class of submarine was an evolutionary development from the James Madison class of fleet ballistic missile submarin...   » Read the article

Encyclopedia - Upholder/victoria Class Submarine: Encyclopedia - Upholder/victoria Class Submarine
The Upholder/Victoria-class submarines also known as the Type 2400 due to their displacement of 2,400t) were diesel-electric hunter-kille...   » Read the article

Encyclopedia - British A Class Submarine 1903: Encyclopedia - British A Class Submarine 1903
207 tons submerged maximum 7 knots (13 km/h) dived 20 nautical miles (37 km) submerged at 5 knots (9 km/h) For the later A class, see Amp...   » Read the article

Encyclopedia - British K Class Submarine: Encyclopedia - British K Class Submarine
Four 1,440 hp (1.074 MW) electric motors. One 800 hp (0.6 MW) Vickers diesel generator for charging batteries on the ...   » Read the article

Encyclopedia - Typhoon Class Submarine: Encyclopedia Ii - Typhoon Class Submarine - Typhoon Class Submarines In Fiction
A fictional Typhoon class submarine called Красный Октябрь (Red October), with enlarged size and fictional modifications, i...   » Read the article

Encyclopedia - Ship-submarine Recycling Program: Encyclopedia Ii - Ship-submarine Recycling Program - Attack Submarines
Note that some of these submarines (the George Washington class) were fleet ballistic missile boats for the vast majority of their career...   » Read the article

Encyclopedia - Submarine Aircraft Carrier: Encyclopedia Ii - Submarine Aircraft Carrier - Japanese Submarine Aircraft Carriers
Although the U.S. Navy remained discreet about it, the Japanese were ahead of the Allies in several areas of submarine development and un...   » Read the article

Dictionary - Submarine Warfare: American History Dictionary - Submarine Warfare
Definition and meaning of submarine warfare:   submarine warfare Knowing they were no match for the British fleet on the surf...   » Read the article

Encyclopedia - Submarine Aircraft Carrier: Encyclopedia Ii - Submarine Aircraft Carrier - French Submarine Surcouf
Main article: French submarine Surcouf Image:Surcouf.jpg Surcouf was a French submarine ordered to be built in December 1927, launched 18...   » Read the article

Encyclopedia - Japanese Submarine I-29: Encyclopedia Ii - Japanese Submarine I-29 - Type B Submarines
This was the most numerous class of Japanese submarines - almost 20 were built, of which only one (I-36) survived. These boats were fast,...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Canada
Canadian Forces Maritime Command: Oberon class submarine (decommissioned) Victoria class submarine (Upholder) See also: List of ships o...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Italy
Regia Marina: 600 Serie Adua class submarine Marina Militare: Toti class (decomissioned) Nazario Sauro class Salvatore Pelosi class (i...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Japan
Imperial Japanese Navy: Ko-hyoteki class submarine (midget) KD1 class KD2 class KD3 class KD4 class KD5 class KD6 class KD7 class J1 cla...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Argentina
Armada de la República Argentina: Santa Cruz-class (German-built TR-1700) Salta-class (German-built Type 209/1200) See also: List of s...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Australia
Royal Australian Navy: Oxley class (Oberon) (decommissioned) Collins class (Type 471) See also: List of ships of the Royal Australian N...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Germany
Kriegsmarine: Type I U-boat Type II U-boat Type VII U-boat Type IX U-boat Type X U-boat Type XIV U-boat Type XVII U-boat Type XVIII U-bo...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Netherlands
Royal Dutch Navy: Walrus (old) class (GUPPY IB) (decommissioned) Zwaardvis (old) class (T Class) (decommissioned) Dolfijn class (decommi...   » Read the article

Encyclopedia - Anti-submarine Weapon: Encyclopedia Ii - Anti-submarine Weapon - Types
Many concepts have been tried to come up with ways of attacking submarines, but the main effective methods are: Anti-submarine weapon - ...   » Read the article

Encyclopedia - Submarine Communications Cable: Encyclopedia Ii - Submarine Communications Cable - History
Submarine communications cable - Trials. After William Cooke and Charles Wheatstone had introduced their working telegraph in 1839, the...   » Read the article

Encyclopedia - Submarine Communications Cable: Encyclopedia Ii - Submarine Communications Cable - List Of International Submarine Communications Cables
This list does not include domestic cable systems, such as those on the coastlines of China, Italy and Brazil. All the cable systems list...   » Read the article

Encyclopedia - Typhoon Class Submarine: Encyclopedia Ii - Typhoon Class Submarine - Typhoon-based Cargo Vessel
The Submarine Cargo Vessel is a proposed idea by the Rubin Design Bureau where a Typhoon has its missile launchers removed and replaced ...   » Read the article

Encyclopedia - Akula Class Submarine: Encyclopedia Ii - Akula Class Submarine - Overview
Project 971 Щука-Б (Shchuka-B, 'Shchuka' meaning pike, NATO reporting name "Akula"), is a nuclear-powered attack submarine (SSN) fir...   » Read the article

Encyclopedia - Anti-submarine Weapon: Encyclopedia Ii - Anti-submarine Weapon - Development
World War I marked the first earnest conflict involving significant use of submarines and consequently marked the beginning of major effo...   » Read the article

Encyclopedia - Anti-submarine Weapon: Encyclopedia Ii - Anti-submarine Weapon - Development
World War I marked the first earnest conflict involving significant use of submarines and consequently marked the beginning of major effo...   » Read the article

Dictionary - Submarine Groove: Oceanography Dictionary - Submarine Groove
  Definition and meaning of submarine groove:   submarine groove - a troughlike depression with vertical to overhanging ...   » Read the article

Encyclopedia - Typhoon Class Submarine: Encyclopedia Ii - Typhoon Class Submarine - Typhoon Class Submarines In Fiction
A fictional Typhoon class submarine called Красный Октябрь (Red October), with enlarged size and fictional modifications, i...   » Read the article

Encyclopedia - Submarine Warfare Insignia: Encyclopedia Ii - Submarine Warfare Insignia - History
On 13 June 1923, Captain Ernest J. King, Commander, Submarine Division Three (later Fleet Admiral and Commander in Chief, U.S. Fleet, dur...   » Read the article

Encyclopedia - Alfa Class Submarine: Encyclopedia Ii - Alfa Class Submarine - Production
Production started in 1974 as Project 705 with construction at both the Admiralty yard, Leningrad and at Sevmashpredpriyatiye, Severodvin...   » Read the article

Encyclopedia - Alfa Class Submarine: Encyclopedia Ii - Alfa Class Submarine - Preproduction
The initial design work began in 1957 and was highly innovative. A special titanium alloy hull would be used to create a small, low drag,...   » Read the article

Encyclopedia - Sturgeon Class Submarine: Encyclopedia Ii - Sturgeon Class Submarine - Ships
Sturgeon class submarine - Short Hull. (SSN-637)  Sturgeon (SSN-638)  Whale (SSN-639)  Tautog (SSN-646)  Grayling ...   » Read the article

Encyclopedia - French Submarine Surcouf: Encyclopedia Ii - French Submarine Surcouf - Legend
Like so much else about Surcouf, there are alternate stories of her end. Disregarding the predictable ones about her being swallowed by t...   » Read the article

Encyclopedia - Ohio Class Submarine: Encyclopedia Ii - Ohio Class Submarine - History
The first eight Ohio class submarines were originally equipped with 24 Trident I C-4 ballistic missiles. Beginning with the ninth Trident...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - United Kingdom
Royal Navy: Amphion or A-class submarine Astute-class submarine Churchill-class submarine Oberon-class submarine British Porpoise-class ...   » Read the article

Encyclopedia - Submarine Patent: Encyclopedia Ii - Submarine Patent - United States
In the past, i.e. before US patent applications were automatically published 18 months after their filing or priority date, an applicant ...   » Read the article

Encyclopedia - Amphion Class Submarine: Encyclopedia Ii - Amphion Class Submarine - Boats
Amphion class submarine - Built at Vickers-Armstrong Barrow-in-Furness. Amphion (P439/S43) (laid down as Anchorite but name changed be...   » Read the article

Encyclopedia - Vanguard Class Submarine: Encyclopedia Ii - Vanguard Class Submarine - History
The Trident missile agreement was reached in 1982 as a modification of the Polaris Sales Agreement. At the time it was envisaged the enti...   » Read the article

Encyclopedia - List Of Submarine Classes: Encyclopedia Ii - List Of Submarine Classes - Republic Of China Taiwan
Republic of China Navy: Hai Shih (Sea-Lion) class (海獅級 - GUPPY II) (training only) Hai Lung (Sea-Dragon) class (海龍級 - Zwaard...   » Read the article

Encyclopedia - List Of Soviet And Russian Submarine Classes: Encyclopedia Ii - List Of Soviet And Russian Submarine Classes - Diesel-electric
List of Soviet and Russian submarine classes - Attack Submarines. List of Soviet and Russian submarine classes - Guided Missile Submar...   » Read the article

Encyclopedia - Akula Class Submarine: Encyclopedia Ii - Akula Class Submarine - Current Status
Information on the status of the Akula Class submarines is sketchy at best. Information provided by several internet sites varies widely....   » Read the article

Encyclopedia - Japanese Submarine I-52: Encyclopedia Ii - Japanese Submarine I-52 - Type C-3 Submarines
This class of submarines was designed and built by Mitsubishi Corporation, between 1943 and 1944, as cargo carriers. They were quite long...   » Read the article

Encyclopedia - Ship-submarine Recycling Program: Encyclopedia Ii - Ship-submarine Recycling Program - Srp
Before SRP can begin, the ship or submarine must have her nuclear fuel removed. Defueling usually coincides with decommissioning. Prior t...   » Read the article

Encyclopedia - Submarines In The United States Navy: Encyclopedia Ii - Submarines In The United States Navy - Tradition
Submarines in the United States Navy - Insignia. Further training and qualification at sea are required before submariners are awarded ...   » Read the article

Encyclopedia - Submarines In The United States Navy: Encyclopedia Ii - Submarines In The United States Navy - Personnel
U.S. Navy submarines are manned solely by volunteers from within the Navy. Submarine personnel are accepted only after the most rigorous ...   » Read the article

Encyclopedia - I-400 Class Submarine: Encyclopedia Ii - I-400 Class Submarine - American Inspections
The U.S. Navy boarded and recovered 24 submarines including the three I-400 submarines, taking them to Sasebo Bay to study them. While th...   » Read the article

Encyclopedia - Submarines In The United States Navy: Encyclopedia Ii - Submarines In The United States Navy - Pressure And Escape Training
After acceptance into the submarine program, candidates undergo a demanding training schedule, which includes attendance by all Officers ...   » Read the article

Encyclopedia - Upholder/victoria Class Submarine: Encyclopedia Ii - Upholder/victoria Class Submarine - Canadian Service
In 2002, Canada accepted the four Upholders as replacements for their old Oberon class submarines. One will operate in the Pacific fleet,...   » Read the article

Encyclopedia - I-400 Class Submarine: Encyclopedia Ii - I-400 Class Submarine - Post-war Influences
It is sometimes suggested that the sen toku inspired the building of the large modern nuclear submarines and that the launching of aircra...   » Read the article

Encyclopedia - Diesel-electric: Encyclopedia Ii - Diesel-electric - Submarines
Image:Agosta-cutaway.jpg When the diesel engine was first installed in submarines before the First World War, it revolutionized submarine...   » Read the article

Encyclopedia - Upholder/victoria Class Submarine: Encyclopedia Ii - Upholder/victoria Class Submarine - Countermeasures
The ship is fitted with two submerged signal ejectors (SSE), small vertical discharge tubes which can launch either acoustic or bubble de...   » Read the article

Encyclopedia - Imperial Japanese Navy Submarines: Encyclopedia Ii - Imperial Japanese Navy Submarines - Origins
The Imperial Japanese Navy acquired its first submarines in 1905 from the United States Electric Boat Company, barely four years after th...   » Read the article

Encyclopedia - Upholder/victoria Class Submarine: Encyclopedia Ii - Upholder/victoria Class Submarine - Weapons Systems
Lockheed Martin Canada, Lockheed Martin Undersea Systems and Northstar Technical Inc upgraded and installed the submarine's Lockheed Mart...   » Read the article

Encyclopedia - Upholder/victoria Class Submarine: Encyclopedia Ii - Upholder/victoria Class Submarine - Propulsion
The submarine is fitted with a diesel-electric propulsion system driving a single shaft, based on two Paxman Valenta 16SZ diesel engines ...   » Read the article

Encyclopedia - French Submarine Surcouf: Encyclopedia Ii - French Submarine Surcouf - Early Career
Surcouf was a French submarine ordered to be built in December 1927, launched 18 October 1929, and commissioned May 1934. At the beginnin...   » Read the article

Encyclopedia - Upholder/victoria Class Submarine: Encyclopedia Ii - Upholder/victoria Class Submarine - Sensors
The Victoria class submarine is equipped with the CK 35 search periscope and the CH 85 attack optronic periscope supplied by Thales Optro...   » Read the article

Encyclopedia - Snorkel: Encyclopedia Ii - Snorkel - Submarine Snorkel
A submarine snorkel is also a device that allows a submarine to operate submerged while still taking in air from above the surface. It wa...   » Read the article

Encyclopedia - Upholder/victoria Class Submarine: Encyclopedia Ii - Upholder/victoria Class Submarine - Design
The boats were originally built by Vickers Shipbuilding and Engineering Ltd for the Royal Navy, but saw only brief service before being m...   » Read the article

Encyclopedia - Japanese Submarine I-52: Encyclopedia Ii - Japanese Submarine I-52 - Yanagi Missions
These were missions enabled under the Axis Powers' Tripartite Pact to provide for an exchange of strategic materials and manufactured goo...   » Read the article

Encyclopedia - Japanese Submarine I-52: Encyclopedia Ii - Japanese Submarine I-52 - Us Task Force
A US Task Force assembled as a submarine hunter-killer group, consisting of a carrier and five destroyers, headed by the escort carrier U...   » Read the article

Encyclopedia - Japanese Submarine I-29: Encyclopedia Ii - Japanese Submarine I-29 - Missions
I-29 participated in missions supporting the attack on Port Moresby in New Guinea, and also in the futile search for Task Force 16, that ...   » Read the article

Encyclopedia - Japanese Submarine I-29: Encyclopedia Ii - Japanese Submarine I-29 - Yanagi Missions
These were missions enabled under the Axis Powers' Tripartite Pact to provide for an exchange of personnel, strategic materials and manuf...   » Read the article

Encyclopedia - Ohio Class Submarine: Encyclopedia Ii - Ohio Class Submarine - Ssbn/ssgn Conversions
After the end of the cold war plans called for Ohio to be retired in 2002, followed by three of her sisters. However, Ohio, Michigan, Flo...   » Read the article

Encyclopedia - Los Angeles Class Submarine: Encyclopedia Ii - Los Angeles Class Submarine - Boats
Los Angeles class submarine - Homeported at the Naval Submarine Base Groton Connecticut. USS Philadelphia (SSN 690) USS Memphis (SSN 6...   » Read the article

Encyclopedia - Submarine Aircraft Carrier: Encyclopedia Ii - Submarine Aircraft Carrier - Hms M2
Main article: HMS M2 After the loss of the heavy gun carrying HMS M1, the remaining M-Class submarines were converted to other uses. By 1...   » Read the article

Encyclopedia - Japanese Submarine I-8: Encyclopedia Ii - Japanese Submarine I-8 - Later Developments
In late 1944, I-8 was converted to carry Kaiten suicide torpedoes. She was lost off Okinawa on 31 March 1945, in an encounter with the Am...   » Read the article

Encyclopedia - Vanguard Class Submarine: Encyclopedia Ii - Vanguard Class Submarine - U.k. Nuclear Policy
The principle of operation is based on maintaining deterrent effect by always having at least one submarine at sea, and was designed for ...   » Read the article

Encyclopedia - I-400 Class Submarine: Encyclopedia Ii - I-400 Class Submarine - Characteristics
Each submarine had four 3,000 horsepower (2.2 MW) engines and fuel enough to go around the world one-and-a-half times, more than enough t...   » Read the article

Encyclopedia - Japanese Submarine I-29: Encyclopedia Ii - Japanese Submarine I-29 - First Exchange
In April 1943, I-29 was tasked with a Yanagi mission. She was commanded by Captain Masao Teraoka, submarine flotilla commander — indica...   » Read the article

Encyclopedia - Japanese Submarine I-8: Encyclopedia Ii - Japanese Submarine I-8 - Mission To Germany
These missions took place under the Axis Powers' Tripartite Pact to provide for an exchange of strategic materials and manufactured goods...   » Read the article

Encyclopedia - Japanese Submarine I-52: Encyclopedia Ii - Japanese Submarine I-52 - Valuable Cargo
She is also known as Japan's "Golden Submarine", because she was carrying a cargo of gold to Germany as payment for war material and tech...   » Read the article

Encyclopedia - Dutch Submarine O-20: Encyclopedia Ii - Dutch Submarine O-20 - Pre-wwii
She was put into a squadron that consisting of two submarines: O-20 and O-15, and the sloop van Kinsbergen. This squadron departed the Ne...   » Read the article

Encyclopedia - Japanese Submarine I-52: Encyclopedia Ii - Japanese Submarine I-52 - Recent Salvage Operations
In 1995, Paul Tidwell located the wreck 5,240 meters deep, mostly upright. Her conning tower is intact and her hull number is still visib...   » Read the article

Encyclopedia - I-400 Class Submarine: Encyclopedia Ii - I-400 Class Submarine - Operational History
As the war turned against the Japanese and their fleet no longer had free reign over the Pacific, the Commander-in-Chief of the Japanese ...   » Read the article

Encyclopedia - Japanese Submarine I-52: Encyclopedia Ii - Japanese Submarine I-52 - Fatal Voyage
On 10 March 1944, on her maiden voyage, I-52 (Commander Uno Kameo) departed Kure, Japan via Sasebo for Singapore. Her cargo from Japan in...   » Read the article

Encyclopedia - British J Class Submarine: Encyclopedia Ii - British J Class Submarine - Service
The first boat, HMS J4 was commissioned on 17 July 1916 and assigned to the 11th Submarine Flotilla at Blyth in Northumberland. It was jo...   » Read the article

Encyclopedia - Yellow Submarine Film: Encyclopedia Ii - Yellow Submarine Film - The Animated Film
Released at the height of the psychedelic pop-culture period of the 1960s, the movie Yellow Submarine was a box-office hit, drawing in cr...   » Read the article

Encyclopedia - British B Class Submarine: Encyclopedia Ii - British B Class Submarine - History
B2 sank off Dover on 4 October 1912 after colliding with SS Amerika. By World War I, the boats of this class were obsolescent, and some w...   » Read the article

Encyclopedia - Soviet Submarine K-159: Encyclopedia Ii - Soviet Submarine K-159 - Foundering And Sinking
On 28 August 2003, K-159 and her pontoons were manned by ten Russian sailors and taken under tow to Polyarny. That crew kept the pontoons...   » Read the article

Encyclopedia - Russian Submarine Kursk Explosion: Encyclopedia Ii - Russian Submarine Kursk Explosion - Rescue Attempts
Russian submarine Kursk explosion - Russian Government Response:. As noted in an excerpt from The Guardian: "For President Vladimir Put...   » Read the article

Dictionary - Meaning Of Dreams About Submarine: Dream Interpretation Dictionary - Submarine
  Submarine All vehicles appear to symbolize the way that we maneuver, or get through, a segment of our life's journey. A submari...   » Read the article

Encyclopedia - Submarine: Encyclopedia Ii - Submarine - Submarine Propulsion
Until the advent of nuclear marine propulsion, most 20th century submarines used batteries for running underwater and gasoline (petrol) o...   » Read the article

Encyclopedia - Submarine: Encyclopedia Ii - Submarine - Submarine Propulsion
Until the advent of nuclear marine propulsion, most 20th century submarines used batteries for running underwater and gasoline (petrol) o...   » Read the article

Encyclopedia - Submarine: Encyclopedia Ii - Submarine - Submersibles
In common usage, "submarine" means a ship which operates above and below the surface, untethered. Underwater vessels with limited mobilit...   » Read the article

Encyclopedia - Submarine: Encyclopedia Ii - Submarine - Submersibles
In common usage, "submarine" means a ship which operates above and below the surface, untethered. Underwater vessels with limited mobilit...   » Read the article

Encyclopedia - Submarine: Encyclopedia Ii - Submarine - Non-military Submarines And Submersibles
Non-military submarines are usually much smaller than military submarines. Tourist submarines work mainly in tropical resort areas or oth...   » Read the article