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DDR Destroyer Revolution
Next-generation DDG

The domestic Japanese Next-generation DDG is the follow-up to 27DDG with indigenous CEC capability. It uses millimeter wave rather than RF to communicate: more resistant to jamming, higher data transfer capacity, etc.

DDR stands for DD of "Destroyer" in JMSDF classification and R for "Revolution". The Next-Generation Destroyer is actually not really a new program, but started development in FY2011. After initially unveiling one concept model in Defense Technology Symposium 2010, two 3D-print concept models of that next-gen DD program were displayed again at the year-end Defense Technology Symposium 2014, under the name DDR.

There were two DDR proposals. One is a 5,400t DDR design that looked superficially similar to 25DD, unveiled in 2010, with integrated mast replacing 25DD's conventional mast; while the other is a 5100t DDR design unveiled from 2012 onward designed with better technology. CFRP will be extensively used to construct the hull of DDR. Next-Generation Destroyer CFRP Construction provides reduced electromagnetic signature and structural elasticity for protection against torpedoes and mines.

The US State Department made a determination approving a possible Foreign Military Sale to Japan for DDG 7 and 8 AEGIS Combat System, Underwater Weapon System, Cooperative Engagement Capability and associated equipment, parts and logistical support for an estimated cost of $1.5 billion. The Defense Security Cooperation Agency delivered the required certification notifying Congress of this possible sale on August 4, 2015.

The Government of Japan requested a possible sale of two (2) ship sets of the MK 7 AEGIS Weapon System, AN/SQQ-89A (v) 15J UWS and CEC. Additional items include associated equipment, training and support for its Japan Fiscal Year (JFY) 2015 and JFY2016 new construction destroyers (DDGs). The ACS and associated support will be procured over a six (6) to seven (7) year period, as approved by Japan in budgets for JFY2015 and JFY2016. The estimated value of this proposed sale is $1.5 billion.

The ACS/UWS/CEC support ship construction for a new ship class of DDGs based upon a modified Atago-class hull (Ship Class not yet named) and a new propulsion system. The equipment and services to be provided include: two (2) ship sets of installation support material and special purpose test equipment, as well as the systems engineering, technical services, on-site vendor assistance, spare parts, systems training and staging services necessary to support ship construction and delivery. Post-construction Combat System Qualification Testing is expected to be procured in a future Foreign Military Sales (FMS) case.

Major Defense Equipment (MDE) includes:

  • Two (2) AEGIS Weapon Systems (AWS) MK 7
  • One (1) J7 AWS Computer Program
  • Two (2) ship sets Multi-Mission Signal Processor (MMSP)
  • Two (2) ship sets AN/MK8 MOD4 AEGIS Common Display System (CDS)
  • Two (2) ship sets AN/SPQ-15 Digital Video Distribution System and Common Processor System (CPS)
  • Two (2) ship sets AWS Computing Infrastructure MK 1 MOD4
  • Two (2) ship sets Operational Readiness Test System (ORTS) hosted in AWS computing infrastructure
  • Two (2) MK 99 MOD 8 Fire Control Systems
  • Two (2) ship sets AN/SPG-62A Radar, Ballistic Missile Defense (BMD) including Mission Planner blade server processors hosted in the CPS
  • Two (2) Kill Assessment System/Weapon Data Recording Cabinets (KAS/WDRC)
  • Two (2) ship sets Mode 5/S capable Identification Friend or Foe (IFF) System
  • Two (2) ship sets MK 36 MOD 6 Decoy Launching System
  • Two (2) ship sets AN/SQQ-89A (V) 15 Underwater Surveillance and Communication System
  • Two (2) Global Positioning Satellite (GPS) Navigation systems with OE-553/U antenna
  • Two (2) ship sets AN/SSN-6F (V) 4 Navigation Sensor System Interface (NAVSSI)
  • Two (2) ship sets WSN-7(V) Inertial Navigation System (INS)
  • Two (2) ship sets AN/URC-141(V) 3(C) Multifunctional Information Distribution System (MIDS) Radio Set
  • Two (2) ship sets AN/UYQ-86(V) 6 Common Data Link Management System (CDLMS)
  • Two (2) ship sets AN/SQQ-89A (v) 15J UWS
  • Two (2) ship sets Gigabit Ethernet Data Multiplex System (GEDMS)
  • Two (2) ship sets Maintenance Assist Modules (MAMs) cabinets for Fire Control and Combat Systems equipment
  • Two (2) ship sets Multi-Function Towed Array (MFTA) and associated OK-410(V)3/SQR handling equipment
  • Two (2) ship sets of Vertical Launching System (VLS)
  • MK41 components for Direct Commercial Sales (DCS) launcher to support BMD missions employing the Standard Missile 3 (SM-3)
  • Two (2) ship sets Launch Control Units (LCU) MK 235 Mod 9 with Vertical Launching System (VLS) Global Positioning System (GPS) Integrator (VGI)
  • VLS launcher components including twenty-four (24) MK 448 Mod 1 Motor Control Panel
  • Four (4) Programmable Power Supplies MK179 Mod 0
  • Twenty-four (24) Launch Sequencers MK 5 Mod 1
  • Four (4) Fiber Optic Distribution Boxes (FODB)
  • Twenty-four (24) Single Module Junction Boxes
  • Two (2) ship sets Gun Weapon System MK 34
  • Two (2) ship sets MK 20 Electro-Optical Sensor System (EOSS)
  • Two (2) ship sets of Cooperative Engagement Capability (CEC)
  • Two (2) ship sets Global Command and Control System-Maritime (GCCS-M)
  • Two (2) ship sets AN/SPQ-9B Radar
  • Two (2) ship sets Enhanced AEGIS Combat Systems Trainer (ACTS) with communication suite
  • Two (2) ship sets technical documentation

Japan continues to modernize its fleet to support Integrated Air and Missile Defense (IAMD) roles and special mission requirements. The addition of two (2) new AEGIS DDGs will fulfill Japanís mission goal of acquiring eight (8) ballistic missile defense capable ships and will further enhance interoperability with the U.S. Navy, build upon a longstanding cooperative effort with the United States, and provide enhanced capability with a valued partner in a geographic region of critical importance to Japan and the U.S. Government.

The proposed sale to Japan would represent an important commitment by the U.S. Government in furtherance of foreign policy and national security goals for both the United States and Japan. Japan is one of the major political and economic powers in East Asia and the Western Pacific and a key partner of the United States in ensuring peace and stability in that region. It is vital to the U.S. national interest to assist Japan in developing and maintaining a strong and ready self-defense capability. This proposed sale is consistent with U.S. foreign policy and national security objectives and the 1960 Treaty of Mutual Cooperation and Security.

The addition of two (2) new AEGIS DDGs to Japanís fleet will afford more flexibility and capability to counter regional threats and continue to enhance stability in the region. Japan currently operates AEGIS ships and is proficient at using evolving ballistic missile defense capability and effective at employing the AN/SQQ-89 UWS for undersea surveillance and detection. Japan has demonstrated the capability and commitment necessary to incorporate CEC into its fleet and will capably assimilate this technology into its operations. The proposed sale of these combat systems will not alter the basic military balance in the region.

The prime contractors will be Lockheed Martin, with offices based in Moorestown, NJ; Syracuse, NY; and Manassas, VA per sole source request from Japan as the primary AEGIS System Contractor for JFY 2015 and JFY 2016 DDG Class Ships. Japan has also requested Data Link Solutions, Cedar Rapids, IA be designated as the sole source prime contractor for the Multifunctional Information Distribution System (MIDS) on Ships (MOS) to reduce the cost of sparing and logistics for its AEGIS Ships. There are also a significant number of companies under contract with the U. S. Navy that will provide components and systems as well as engineering services during the execution of this effort.

Japanese industry has requested participation with U.S. industry as sub-contractors under the FMS case on a limited basis to provide selected components and software. Japanese industry sourced items are: 1) TR-343 Equivalent Replacement Sonar Transducers for SQS-53C sonar by NEC, 2) Partial AEGIS Display System application software by MHI, and 3) Partial AEGIS Display System Hardware and Common Display System hardware by Fujitsu. The Japan sourced products will be subject to product qualification, export control or other requirements for use in FMS-provided systems. The U.S. Navy retains the option to use U.S. Navy Programs of Record to source products or services as required to meet program requirements. There are no known offset agreements in connection with this potential sale.

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Page last modified: 06-11-2018 19:04:09 ZULU