New JMSDF destroyer

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Japan requests funding for new destroyers
Shinichi Kiyotani
The Japan Defence Agency (JDA) is including a request for the first of four planned new destroyers in its budget covering Fiscal Year 2007 (FY07).

Provisionally known as the 19DD, the new class of ship displaces about 5,000 tons and is aimed to replace the oldest five Hatsuyuki-class destroyers in the current inventory. It is estimated to cost JPY84.4 billion (USD717 million), with the keel to be laid in FY07 for a service date of 2011.

The new destroyer is to be powered by a COGAG system with two shafts to produce a maximum speed of more than 30 kt.
The design includes a low radar cross-section mast to increase stealth capability.
The weapons fit is to include one 5-inch 62-cal Mk 45 Mod 4 gun and a Mk 41 vertical-launch system with an unknown number of cells.

There are also to be two Type 90 quadruple surface-to-surface missile launchers, two triple torpedo tubes, two close-in weapon systems and one helicopter.

A large flight deck could support SH-60K helicopters.
The fire control is from an FCS-3 Kai. The 19DD programme is linked to a restructure outlined in the JDA’s core policy document, the National Defence Programme Guideline. This will see the number of Maritime Self-Defence Force (MSDF) escort divisions reduced to eight from the current 12, with the number of ships in each increased to four from the current two to three.

The plan envisages two types of escort divisions: the DDH group, consisting of one of the future helicopter carrier destroyers, one Kongou-class destroyer and two other destroyers; and the DDG group, comprising three destroyers and one Kongou.

A 19DD will be deployed with each group to provide protection against surface, sub-surface and air threats, to allow the Kongou to focus on missile defence. Exact classes making up the two types of escort division have yet to be released. However, the two types of escort division are geared to become the main tactical units of the MSDF surface-combat fleet, providing the navy with more operational flexibility.

Parallel to this change, the MSDF plans to reduce the number of its district-level escort divisions to six from the current seven.

The number of major surface combatants will, meanwhile, drop to 48 from the present 52 during the FY05-09 Mid-Term Defence Plan.

http://www.gamenews.ne.jp/en/archives/2006…ense_age_1.html

September 15, 2006
The Defense Agency announces the outline of general-purpose escort vessel “5000-ton type DD” that guards the Aegis destroyer.
The Defense Agency announced the evaluation of results of the policy assessment and the execution agency in fiscal year 2006 of the 31st of August, and clarified details of the escort vessel of 5000-ton class (5000-ton type DD・19DD type) in that. I hear that one maintenance procurement was first done in fiscal year 2007. The overhead is 84.8 billion yen. Disposition schedule by 2011.

An air defense and an all-rounder type escort vessel of 5000-ton type DD announced this time in the one classified into “General-purpose escort vessel” that confronts and dives and is excellent in an ability both -vs. waters. To be engaged, the supported duty is explained wearing in the precaution of a ballistic missile and the action duty at ease the one with “Advanced air defense ability to prepare in a real invasion situation corresponding to a new danger and various situations in the effect and war ..diving.. ability of confronting to Icsa ability and the water” in release and the Aegis destroyer that does the kernel of the air defense valuing group of the mobile operation force (“Fleet” that receives a so-called duty).

In short, it becomes an escort vessel to accomplish “Bodyguard to defend so that the Aegis destroyer that intercepts a ballistic missile of ‘Vicinity of embarrassment’ may work at ease” duty.
The torpedo defense system is newly established compared with the cooking type to have carried out the existing duty that looks like, and it is possible to look including the function corresponding to the small torpedo boat that will be able to be faced as an opponent in “Mobilization” in neighboring countries. Moreover, it is understood also for forming to increase a plane part like the Aegis destroyer and the helicopter-carrying destroyer, etc. and to do “Next generation type shape” that gives a not reactive design to radar. By the way, it corresponds to about 2/3 compared with 120 billion yen or more the Aegis destroyer each though the price of 84.8 billion yen.

Finally, a lot of years are needed anyway as for so that everything may become complete because it is expensive though 5000-ton type DD seems to be disposed by the plural (about 4). Whether “It is in time” is really anxious though “Whenever it becomes it, the equipment of the army is not fulfilled” is a way of the world. Though it is the best if the warship including 5000 ton-type DD demonstrates only power as “Overpowering equipment”, and it never works actually.

http://sci.gatago.net/sci/military/naval/22383237.html

Ships of the World of Japan ran articles about the air defence system
of 19DD in two consecutive issues. The 19DD is a follow-on to Takanami
class destroyers.

http://www.ships-net.co.jp/detl/200606/indexe.html
AIR DEFENSE SYSTEM OF JMSDF’S 19 DD (FY07 DD)…by Tomohiko Tada

http://www.ships-net.co.jp/detl/200607/indexe.html
JDA CHOOSES SPY-1F(V) FOR 19DD (FY07DD)

The first article advocated Mitsubishi/Thales Nederland FCS-3 Kai, a
Japanese-designed C-band active phased array radar married with APAR’s
X-band ICWI components.

However, the second article that appeared in the July issue took an
opposite stance, speculating that SPY-1F(V) would be selected. “JDA
CHOOSES SPY-1F(V) FOR 19DD (FY07DD)” is a deliberate mistranslation of
“19DDの防空システムはこうなる!”, which is translated into
“The air defense system of 19DD becomes like this!” by Babelfish.

Anybody got more info?