SSK Diesel/Electric Sub Thread (AIP too)

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aksha

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INS KALVARI, new pic

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Jeff Head

Jeff Head

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DARPA-to-launch-autonomous-submarine-hunter-vessel.jpg​

Naval Today said:
The ever-quieter diesel-electric submarines posing a threat to surface ships might be a thing of the past.

The U.S. Navy, and NATO, who fears the evolving Russian subs, are probably looking up to DARPA’s new anti-submarine warfare “drone ship” which is now being prepared for the sea trials.

U.S. Defense Advanced Research Projects Agency (DARPA) is developing an unmanned vessel optimized to robustly track quiet diesel electric submarines under the Anti-Submarine Warfare (ASW) Continuous Trail Unmanned Vessel (ACTUV) program.

Officials said the 40-meter unmanned vessel would be launched this spring.

The aim of the project is to make a vessel at a fraction of the price of regular anti-submarine surface combatants. The fact that it would never have a man onboard will allow the vessel to easily match and exceed the speeds of submarines as the vessel would have reduced constraints on conventional naval architecture elements such as layout, accessibility, crew support systems, and reserve buoyancy.

According to DARPA, an advance unmanned maritime system autonomy will enable independent deployment of systems capable of missions spanning thousands of kilometers of range and months of endurance under a sparse remote supervisory control model.

This means the ships would leaving and returning to harbors autonomously while all the time complying with maritime laws and conventions for safe navigation. The vessels will also be equipped with an autonomous system management for operational reliability, and autonomous interactions with an intelligent adversary, the research agency said.

Should everything go according to plans, the vessel could be expected to enter service sometime in 2017.

The concept video below illustrates the ACTUV program and how it is supposed to work.
Click to expand...

DARPA video of DARPA’s Anti-Submarine Warfare (ASW) Continuous Trail Unmanned Vessel (ACTUV Concept:

 
Jeff Head

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SKOR-214-01.jpg

Naval Today said:
The Republic of Korea Navy has named its seventh Type 214, 1.800-ton attack submarine, South Korean news agency Yonhap reported.

Hong Beom-do, as the vessel was officially named is the Korean version of the Type 214 submarine developed by the German ship-builder Howaldtswerke-Deutsche Werft, a subsidiary of ThyssenKrupp Marine Systems.

A total of nine 65.3-meter submarines known as Son Won-Il-class will be built for South Korea by Hyundai Heavy Industries and Daewoo Shipbuilding & Marine Engineering.

Three first-batch submarines have entered service since 2007, while the second-batch submarines are yet to do so.

Apart from South Korea, Portuguese and Hellenic (Greek) Navy also use submarines based on the Type 214 design.
Click to expand...
The Son Won II are very decent conventional submarines based on the German Type 214 design.

They are being built by Hyundai and Daewoo.

Actually four have been commissioned, and two launched and outfitting, set for commissioning this year.

Two more re building and the last, will be built when the first of those is complete. All nine are scheduled to be commissioned by 2018.

With fuel cell AIP, an endurance of about 90 days, with eight 533mm torpedo tubes which are sub-arpoon capable, these vessels are very capable.

These are the first seven:

SS 072 Son Won-II Commissioned Dec 2007
SS 073 Jeong Ji Commissioned Dec 2008
SS 075 An Jung-geun Commissioned Dec 2009
SS 076 Kim Jwa-Jin Commissioned Dec 2014
SS 077 Yun Bong-gil Launched July 2014
SS 078 Ryu Gwansun Launched May 2015
SS 079 Hong Beom-do Building
 
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