Korean Submarine Shoots At US Ship With Missile During Training - US And South Korean Army Exercise

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/!\ Read the description IN the video AND in the description please: An old and abandoned US navy ship (Ex-USS Ogden) got hit by a missile ( AGM-84 Harpoon missile) fired from a Republic of Korea (South Korea, not the North Korea) submarine during a training in Pacific.

A submarine is a submersible ship capable of moving on the surface and under the water, It is distinguished from other boats and ships by the fact that it move on the surface only, and bathyscaphes which move only along the vertical axis.

This description deals mainly manned submarines; the drones and other ROV are treated separately. A submarine is a member of the crew of a submarine.

Most submarines are warships . The civilian use of the submarine relates essentially looking Oceanographic and oil exploitation ; its use for purposes tourist or commercial transport remains anecdotal .

The maximum immersion of a military submarine is a few hundred meters. One hundred meters during the Second World War, it increased to about 300/400 meters for most of the current submarines. It reaches several thousand meters for oceanographic research submarines.

From the beginning, at the end of the nineteenth century, the term "submarine" is used to describe the first ships that can go underwater to depths but, autonomies and very low speeds. If performance has improved gradually it is only at the end of the Second World War , including through the development of snorkeling and the progress made ​​by German engineers in the field of electric propulsion underwater submarines of the German Navy , it has become necessary to differentiate these vessels: those sailing above the surface and can dive incidentally, those of new generation whose autonomy under water is such that they very rarely come to the surface. It then retrains the first old design often built before war, "submersible" and the latter as "submarines".

Currently submerged endurance in service submarines, even conventionally powered, is such that the qualification of "submersible" is inappropriate, let alone for submarines with nuclear propulsion, which is submerged endurance unlimited.

In the French Navy (as indeed in all the navies of the world), the term "submersible" is no longer used.

France currently has 10 submarines, all nuclear propulsion, 6 NLS ( nuclear attack submarines ) Ruby class , and 4 SSBNs ( nuclear submarines ballistic missile ) Triumphant class . These are the essential component of the deterrent.

Given the above considerations, the submarines have:

A shell interior, thick;
A thin outer shell that ensures the hydrodynamics (physical ability to move quickly in water) incorporating ballasts, external tanks, antennas, sensors, panels and boarding hatch. The ideal shape for submarines is that of the drop ;of ballasts located between the two shells and whose filling or emptying allows diving jack (opening purges to penetrate the water in the ballast) and surfacing (by driving pressurized air to empty) . On modern Submarines, ballasts are located at the front and rear;
Adjusters located the submarine from the center, filled more or less water (water inlet pressure, drain pump or air rescue hunting) to adjust its weight to the buoyancy;
Angle bars for varying the immersion, usually a pair at the rear and at the front or on the solid. On some submarines, the rear dive bars are coupled with the rudder steering rod and arranged in a cross of St. -----Andrew. On some SSBNs are retractable to cross the ice;
A releasable weights of security that could allow an underwater weighed down by a waterway to rise to the surface;
A compressed air supplemented with air compressor to remove water ballast and surfacing.

The Harpoon is an long-range horizon anti-ship missile (Beyond Visual Range - BVR "Beyond Visual Range"), all-weather, originally developed by the US company McDonnell Douglas . Its development and production have been taken over by Boeing Integrated Defense Systems . In 2004, Boeing delivered the 7000th Harpoon since the entry into service of the missile in 1977. This weapon was also developed in a version of coastal defense, the Standoff Land Attack Missile (ground attack missile standoff ).

Harpoon uses active radar guidance and navigates to above the waves to improve survivability and effectiveness. Platforms capable of delivering such weapons include:

Aircraft (Air Guided Missile - 84, no powder accelerator);
Surface ship (Roof Guided Missile - 84, including an accelerator powder that comes off when the speed is sufficient to trigger the jet engine );
Submarines (Undersea Guided Missile - 84, including a powder accelerator and encapsulated in a sealed container for launch by launching tubes submerged torpedo ) as a medium change missile ;

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