33DD destroyer

The 33DD (also known as DDR or Destroyer Revolution) is a Japanese destroyer in development for the Japan Maritime Self-Defense Force.

Class overview
Name: 33DD Destroyer
Builders: Kawasaki Heavy Industries
Operators:  Japan Maritime Self-Defense Force
General characteristics
Type: Guided missile destroyer
Sensors and
processing systems:		 FCS-3

Development

The first concept model of the destroyer was shown in Defense Technology Symposium 2010 by Kawasaki Heavy Industries. The project was also mentioned in the FY2011 defense budget request, only mentioning that research on new integrated antenna system and sonar system for next generation destroyers is to be carried out around 2018.[1] Later a second model was shown in Defense Technology Symposium 2012. Procurement of the destroyer is to begin in the FY 2021 budget and the lead ship will be launched in 2024. The destroyers will follow after the Asahi-class and be constructed in conjunction with the 30DX frigate.[2][3]

Design

The destroyer will feature an integrated mast, a Carbon fiber reinforced plastic (CFRP) hull and will have a slightly higher displacement than the Asahi-class destroyer.[2] The CFRP hull reduces the ship's electromagnetic signature and its structural elasticity provides protection against torpedoes and mines.[3] The hull will also be made of high strength stainless steel due to its superior protection from air and underwater explosion compared to high tensile steel.[4][5][6] The first model unveiled is described to displace 5400 tons and is very similar in design to the Asahi-class destroyers. The second concept model displaces 5100 tons and features a stealthier design than first.[3] The FCS-3 system and integrated radio wave systems is used to enhance the ship's communication, radar, and electronic warfare capabilities.[2]

gollark: Does gcd.hs work then, somehow?
gollark: That's suspiciously simple then, hm.
gollark: What's `findRem` doing? Doesn't Haskell have a mod function?
gollark: It's going to have a fun feature where if it detects that you're running it *while* the uninstaller is open, it will subtly mess up your answers.
gollark: After realizing I had absolutely no idea how the "general number field sieve" and such worked, I just decided to implement Pollard's ρ one, but it requires gcd which Lua doesn't have, so I'm looking up the Euclidean algorithm.

References
  1. "Defense Programs and Budget of Japan Overview of FY2011 Budget Request" (PDF). Japan Ministry of Defense. August 2010. Retrieved 14 December 2018.
  2. "33DD Air Defense destroyer". Global Security. Retrieved 14 December 2018.
  3. "DDR Destroyer Revolution Next-generation DDG". Global Security. Retrieved 14 December 2018.
  4. "Research on ship survivability improvement: Main point" (PDF). Japan Ministry of Defense. 2010. Retrieved 15 March 2019.
  5. "Research on ship survivability improvement: Text" (PDF). Japan Ministry of Defense. 2010. Retrieved 15 March 2019.
  6. "Research on ship survivability improvement: Document" (PDF). Japan Ministry of Defense. 2010. Retrieved 15 March 2019.
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