JMSDF 25DD "Asahi" class destroyer

Triton

Donald McKelvy
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Artist's impression of JMSDF 25DD class destroyer.

Source:
http://paper-wasp.cocolog-nifty.com/blog/2012/09/25-5902.html
 

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blackkite

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Re: JMSDF 25DD class destroyer

25DD class destroyer new image.
This design is a form just like the heavy cruiser of the old great Japan empire navy.
 

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TomS

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Re: JMSDF 25DD class destroyer

Looks like they slid the entire superstucture aft a few meters. In the old version, that gun was going to take quite a beating in heavy seas. But the new version loses a lot of flight deck length. They must have a pretty firm limit on length overall. Otherwise it might have made sense to just add some length.
 

Moose

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Re: JMSDF 25DD class destroyer

I think the flight deck is the same size, the previous concept had an open fantail space aft of the flight deck which appears to have been deleted.
 

TomS

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Re: JMSDF 25DD class destroyer

Ah, you're right. There's a line in the old picture that I through was just a deck marking but is actually the edge of the flight deck.
 

blackkite

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Re: JMSDF 25DD class destroyer

Hi! Please try Japanese-English auto translater.
http://ja.wikipedia.org/wiki/25DD
 

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blackkite

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Re: JMSDF 25DD class destroyer

Sorry for off topics.
http://ghostmansion.net/color/nicohatena/tag/%E3%81%82%E3%81%8D%E3%81%A5%E3%81%8D%E5%9E%8B%E8%AD%B7%E8%A1%9B%E8%89%A6
 

swerve

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Re: JMSDF 25DD class destroyer

blackkite said:
Hi! Please try Japanese-English auto translater.
http://ja.wikipedia.org/wiki/25DD
Thanks for that. Japanese Wikipedia always has better information on the JMSDF & auto-translate is good enough, but it's hard to find when one doesn't know the language.
 

Archangel06

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Re: JMSDF 25DD class destroyer

Hi
Registered for a while but finally got to post for the first time
Meet 25DD - now JS Asahi
https://youtu.be/r8MwoeqpanU
 

Triton

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Re: JMSDF 25DD class destroyer

JS Asahi on its commissioning day. Video by Japanese shipspotter @BinmeiT

https://youtu.be/vExoA3OBtGg
 

Triton

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Re: JMSDF 25DD class destroyer

"JMSDF Commissions its First 25DD-class Asahi ASW Destroyer"
March 2018 Navy Naval Defense Industry News
Posted On Thursday, 08 March 2018 22:50
by Ben Rimland

Source:
https://www.navyrecognition.com/index.php/news/defence-news/2018/march-2018-navy-naval-defense-news/6025-jmsdf-commissions-its-first-25dd-class-asahi-asw-destroyer.html

NBC Nagasaki reports that the latest 25DD class anti-submarine destroyer, the JS Asahi, was officially delivered to the Japan Maritime Self-Defense Forces (JMSDF) at Mitsubishi Heavy Industries’ Nagasaki shipyard. Yutaka Murakawa, the JMSDF chief of staff, led the commissioning ceremony in front of the ship’s 220 crew members and other JMSDF officials.

“In order to safeguard the property and lives of the Japanese people, and to further protect the seas, territories, and airspace of Japan, you must effectively carry out the responsibilities asked of you,” said chief of staff Murakawa to the assembled crew. “We hope that from today, working towards a common cause, you will diligently fulfil your duty to serve this ship with honor.”

The Nikkei further reported that chief of staff Murakawa specifically cited North Korea and China in stating that “it is no exaggeration to state that Japan’s security environment has become the most severe yet.”

The ship is scheduled to be deployed to the JMSDF base at Sasebo. Following the delivery ceremony, approximately six months of equipment tests and crew exercises are scheduled before the ship achieves full operational status. The Asahi is the first destroyer in four years to be built at Mitsubishi’s Nagasaki shipyard. After recently incurring a 250 billion yen loss on the construction of a luxury ocean liner, the destroyer contract was seen as a reversal of fortune for the struggling shipyard.

Based on the anti-air warfare Akizuki-class destroyer (19DD), the Asahi is 151 meters long and 18.3 meters wide, for a total displacement of 5100 tons. The class has a draft of 5.4 meters. The NBC Nagasaki report further explains that the Asahi is the first JMSDF destroyer to feature a “hybrid” COGLAG (combined gas and electric turbine) drive system, along with advanced anti-torpedo defenses and is further the first JMSDF destroyer equipped with a periscope-detecting radar system. Navy Recognition has previously covered the initial launch of the Asahi and reported on the variety of weapons systems and sensors the class is equipped with.

25DD Specifications:
Standard displacement: 5, 100 tons
Full load displacement: 6,800 tons
Total length: 151 m
Overall width: 18.3 m
Depth: 10.9 m
Draft: 5.4 m
Propulsion system: COGLAG / 2x LM 2500 IEC gas turbine engines / 2x motors (2.5 MW / 3,400 hp) / 2x Shafts
Maximum speed: 30 kt
Accommodation: 230 passengers25DD Specifications:
Standard displacement: 5, 100 tons
Full load displacement: 6,800 tons
Total length: 151 m
Overall width: 18.3 m
Depth: 10.9 m
Draft: 5.4 m
Propulsion system: COGLAG / 2x LM 2500 IEC gas turbine engines / 2x motors (2.5 MW / 3,400 hp) / 2x Shafts
Maximum speed: 30 kt
Accommodation: 230 passengers
 

Triton

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Re: JMSDF 25DD class destroyer

JMSDF DD-119 JS ASAHI arrives Sasebo Bay

Published on Mar 9, 2018

https://youtu.be/SWQUp1Ge7gA
 

Anderman

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The japanese are strange they build a destroyer without a flight deck ;)

scnr

Does the JDMF use missiles like ASROC or something similar ?
 

TomS

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Anderman said:
The japanese are strange they build a destroyer without a flight deck ;)

scnr

Does the JDMF use missiles like ASROC or something similar ?
I feel like I'm missing a joke here. The 25DD does have a flight deck.

And yes, they do have the RUM-139 VL ASROC as well as a Japanese version called Type 07.
 

Anderman

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TomS said:
Anderman said:
The japanese are strange they build a destroyer without a flight deck ;)

scnr

Does the JDMF use missiles like ASROC or something similar ?
I feel like I'm missing a joke here. The 25DD does have a flight deck.

And yes, they do have the RUM-139 VL ASROC as well as a Japanese version called Type 07.
Yes but not full length flight deck like their Hyuga-class "destroyer" ;-)

https://en.wikipedia.org/wiki/Hy%C5%ABga-class_helicopter_destroyer
 

TomS

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Right, I thought that might be it. I'm slow this morning.
 

Moose

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A bit surprised they're still using slipways at Nagaski, thought for sure that would be included in the modernization.
 
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