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Jmsdf News

04 Aug 2025

Australia Chooses Japanese Frigate Design

Source: ADF

The Australian Government is accelerating the delivery of a larger and more lethal surface combatant fleet with the selection of the upgraded Japanese Mogami-class frigate as the preferred platform for the Royal Australian Navy’s future fleet of general purpose frigates.Mitsubishi Heavy Industries’ Mogami-class frigate was assessed as best able to quickly meet the capability requirements and strategic needs of the Australian Defence Force (ADF).The upgraded Mogami-class frigate boasts a range of up to 10…

10 Nov 2024

Japanese Navy Ship on Fire, One Missing

A Japanese minesweeper (© Eleftius / Adobe Stock)

Fire broke out on a Japanese warship sailing near the western part of the country, causing one crew member to be hospitalized due to smoke inhalation, while another was missing, Japan's navy said on Sunday.The Japan Maritime Self-Defence Force (JMSDF) said the minesweeper Ukushima was sailing off the coast north of Fukuoka in the island of Kyushu when the fire occurred at around 9:40 a.m. local time (0040 GMT).Admiral Akira Saito later said firefighting efforts were ongoing as of 8:30 p.m.

17 Jun 2024

Survitec Snags JMSDF Submarine Escape Suit Contract

Survitec won a multi-year servicing contract from Sojitz Aerospace, on behalf of the Japanese Maritime Self-Defence Force (JMSDF), to service Submarine Escape Immersion Equipment (SEIE) MK11 suits carried on board its submarine fleet.With this contract, the company sets a new precedent, establishing an in-country servicing capability to accommodate the JMSDF’s SEIE servicing and maintenance requirements through a strategic partnership with Kawasaki head-quartered Marinair Liferaft Co. Ltd.Marinair Liferaft Co.

30 May 2024

Rolls-Royce MT30 Selected to Power Japan’s ASEV

Source: Rolls-Royce

Rolls-Royce has been selected to supply the world’s first twin MT30-powered hybrid electro-mechanical propulsion arrangement to power Japan’s Aegis System Equipped Vessel (ASEV), a Japanese destroyer program.The OEM says the unique power density of the MT30 GT will ensure ship performance is not compromised and will meet the top ship speed requirements associated with the Japan Maritime Self-Defense Force (JMSDF) destroyers.Other benefits marine gas turbine technology include ultra-low on-board maintenance compared to legacy engines…

31 Aug 2018

Ronald Reagan Strike Group, JMSDF Participate in Bilateral Training

The Ronald Reagan Strike Group and Japan Maritime Self-Defense Force, Escort Flotilla 4 Battle Group, participated in bilateral training Aug. 31 while underway in the South China Sea.During the training, units from the two maritime forces sailed in formation, participated in replenishment-at-sea training, exchanged Naval Liaison Officers and practiced maneuvering procedures.Additionally, Rear Adm. Karl O. Thomas, Commander, Task Force 70, and CTF 70 personnel visited JS Kaga to speak with JMSDF Rear Adm. Tatsuya Fukuda, Commander, Escort Flotilla 4, about JMSDF and U.S. Navy interoperability and maritime unit cohesion."The teamwork and…

21 May 2018

Rolls-Royce Gas Turbine Selected for Japan’s New Frigate

Rolls-Royce reports it has been selected to supply its MT30 gas turbine to power a new class of frigates for the Japan Maritime Self Defence Force (JMSDF).The selection means Japan is the fifth nation to select the MT30 for a major naval shipbuilding program.Sam Cameron, Rolls-Royce, Senior Vice President – Defence, said, “Japan’s selection of the MT30 is very significant and means that the three largest users of marine gas turbines, have all endorsed the capabilities of the MT30…

27 Mar 2018

GE Gas Turbines for Japan’s JS Asahi Destroyer

Two GE LM2500 marine gas turbines power the Japanese Maritime Self Defense Forces (JMSDF) newest destroyer JS Asahi (DD119).  Photo: GE

Two GE LM2500 marine gas turbines power the Japanese Maritime Self Defense Forces (JMSDF) newest destroyer JS Asahi (DD119). This first of two new destroyers in the JMSDF’s Asahi-class destroyer program was recently commissioned by the JMSDF. The ship was built by Mitsubishi Heavy Industries (MHI) at its Nagasaki Shipyard & Machinery Works in Japan. “We work in concert with IHI, our longstanding partner in Japan, to supply LM2500 marine gas turbines to the JMSDF for this new destroyer and other surface combatant programs,” said GE’s Brien Bolsinger, Vice President, Marine Operations.

06 Mar 2018

US Navy, JMSDF Participate in MultiSail 2018

Units and personnel from the U.S. Navy and the Japan Maritime Self-Defense Force (JMSDF) are scheduled to participate in the annual bilateral training exercise MultiSail 2018, Mar. 8-14. MultiSail is an annual bilateral training exercise that improves interoperability between U.S. and Japanese forces. In 2018 the focus of the exercise will be on improving fundamental skills such as tracking and defeating submarines, combatting other surface forces, live fire training, and interoperability with U.S. and JMSDF units. "MultiSail is an opportunity for our ships to increase our combat proficiency at sea," said Capt. Jon Duffy, commander, Destroyer Squadron 15.

09 Jan 2018

Downed US Navy Aircraft Found in Philippine Sea

U.S. Navy file photo of a C-2A Greyhound (U.S. Navy photo by Kenneth Abbate)

A U.S. Navy team has located a C-2A Greyhound aircraft that crashed in the Philippine Sea on November 22. The downed aircraft rests at a depth of about 18,500 feet, making the salvage operation the deepest recovery attempt of an aircraft to date, the Navy said, adding it will make every effort will be made to recover the aircraft and fallen Sailors, despite very challenging conditions. Eight of the 11 crew and passengers on board were recovered immediately following the crash. For the next three days, the U.S.

11 Oct 2017

U.S. Carrier Drills with Japanese Navy

A U.S. Navy aircraft carrier, the Ronald Reagan, is conducting drills with a Japanese warship in waters around Okinawa southwest of the Korean peninsula, Japan's military said on Wednesday.   The exercise comes amid heightened tension with North Korea as the U.S. holds air drills in the region with B1-B bombers flown from Guam.   The exercise with the Reagan strike group, which began on Saturday, involves vessels sailing from the Bashi Channel, which separates the Philippines and Taiwan, to seas around Japan's southwest island nearer to North Korea, Japan's Maritime Self Defence Force said in a statement.   One Japanese destroyer, the Shimkaze, is accompanying the 100,000-ton Reagan, which is based in Japan, and its escort ships, the JMSDF said.   Reporting by Tim Kelly

28 Sep 2017

USS Key West Participates in Tri-Lateral Submarine Exercise

The Los Angeles-class attack submarine USS Key West (SSN 722) participated in the Japan Maritime Self-Defense Force (JMSDF) Tri-Lateral Submarine Competition (SUBCOMP) exercise in waters south of Japan, which also included participation by a Royal Australian Navy (RAN) submarine, from Sept. 12 to 19. The SUBCOMP exercise provided an excellent opportunity to further the integration and tri-lateral coordination in an Anti-submarine warfare environment for the three navies. This year's SUBCOMP involved four JMSDF submarines, a RAN Collins-class submarine HMAS Dechaineux (SSG 76) and Key West. The competition stressed each crew's ability to conduct various aspects of anti-submarine warfare. The top performer is recognized with the Japanese Battle Efficiency Award.

13 Sep 2017

Japanese Navy Ship Teruzuki Visits India

Japan Maritime Self-Defense Force (JMSDF) Ship Teruzuki visited Kochi from 09 to 11 September 2017. Captain Masashi Kondo, Commander Escort Division Six is sailing onboard JS Teruzuki, a destroyer which is being commanded by Commander Seiichi Hashimoto. Captain Masashi Kondo, Commander Escort Division Six accompanied by the Commanding Officer of Japanese Ship Teruzuki had called on Rear Admiral Krishna Swaminathan, VSM, the Chief Staff Officer (Training) of Southern Naval Command (SNC) on 09 September 2017 wherein professional subjects of common interest to both navies were discussed. On 10 September 2017, Atsushi Miura, Superintendent Japan Coast Guard…

12 Jul 2017

MALABAR - 2017 Commences in Bay of Bengal

Naval cooperation between India, US and Japan epitomises the strong and resilient relationship between the three democracies. The MALABAR series of exercises, initiated in 1992 between the Indian and US Navies, have steadily grown in scope, complexity and participation into a multifaceted exercise with the participation of Japanese Maritime Self Defense Force (JMSDF). The 21st edition of the exercise, MALABAR-17 will be conducted in the Bay of Bengal from 10 to 17 July 2017. The primary aim of this exercise is to increase interoperability amongst the three navies as well as develop common understanding and procedures for maritime security operations.

10 Jul 2017

Nimitz Carrier Strike Group Begins Malabar 2017

Sailors and Marines assigned to the Nimitz Carrier Strike Group, the Indian Navy and the Japan Maritime Self-Defense Force (JMSDF) commenced the Malabar in-port portions in Chennai, India, July 9. The maritime exercise Malabar, which was first held in 1992, occurs annually to improve interoperability between U.S., Indian, and Japanese maritime forces. The exercise enhances maritime relationships and demonstrates credible naval power in the Indo-Asia-Pacific region. "The exercise continues to grow because we are bringing in more ships and we are bringing together three countries," said Cmdr. Vernon H. Stanfield, from Pittsburgh, and the Nimitz Strike Group operations officer. The tri-lateral, two-phase exercise is held in Chennai, India and in the waters of the Bay of Bengal.

09 May 2017

GE Gas Turbines Power Japanese Destroyer

Photo: GE Marine Solutions

GE's Marine Solutions reports that the Japan Maritime Self Defense Force (JMSDF) commissioned its second Izumo-class helicopter-carrying destroyer. The new JS Kaga (DDH 184) is powered by four GE LM2500 marine gas turbines, and was commissioned at the Japan Marine United Corporation shipyard in Yokohama on March 22, 2017. First-in-class JS Izumo (DDH 183) and JS Kaga are the largest surface combatants in the JMSDF fleet. Both feature a powerful and reliable combined diesel and LM2500 gas turbine propulsion system, with the gas turbines using GE’s integrated electronic controls.

25 Apr 2017

US Navy Conducts Bilateral Drill with Japan and Korea

U.S. Navy ships are conducting simultaneous bilateral maritime exercises with the Republic of Korea Navy and with the Japan Maritime Self Defense Force today and tomorrow (April 25-26, local time).    The destroyers USS Wayne E. Meyer (DDG 108) and ROKN Wang Geon (DDH 978) are conducting combined maritime exercises in waters west of the Korean Peninsula while the destroyers USS Fitzgerald (DDG 62) and JMSDF JS Chokai (DDG 176) execute combined maritime exercises in waters west of Japan.    Both exercises demonstrate a shared commitment to security and stability in Northeast Asia as well as the U.S. Navy's inherent flexibility to combine with allied naval forces in response to a broad range of situations.

19 Apr 2017

Vice President Pence Visits Naval Air Facility Atsugi

Marking his first official travel to the Asia-Pacific region, Vice President Mike Pence made his first ceremonial stop in Japan at Naval Air Facility (NAF) Atsugi, April 18. During the Japan portion of his regional visit, the vice president will travel to Tokyo where he will meet with Prime Minister Shinz Abe and lead the inaugural U.S.-Japan Economic Dialogue with Deputy Prime Minister Tar As. The vice president will also participate in a listening session, followed by remarks to the U.S. and Japanese business community. Naval Air Facility Atsugi Commanding Officer Capt. John Bushey, from Spencer, Iowa, said NAF Atsugi serving as the…

10 Mar 2017

US Navy, JMSDF Complete MultiSail 17

Commander, Destroyer Squadron (DESRON) 15 and the Japan Maritime Self-Defense Force (JMSDF) completed the annual bilateral training exercise MultiSail 17, March 10. The six-day exercise consisted of surface action group maneuvers, anti-submarine training, and various other events which tested warfighting capabilities of each participant. The MultiSail 17 participants included forward-deployed Arleigh Burke-class guided-missile destroyers USS Barry (DDG 52), USS Fitzgerald (DDG 62), USS Stethem (DDG 63), USS McCampbell (DDG 85), and USS Mustin (DDG 89); JMSDF surface units JS Ikazuchi (DD 107) and JS Hatakaze (DD 171); and helicopters from Helicopter Maritime Strike Squadron (HSM) 51. Capt. Jeffrey A.

06 Mar 2017

US, Japan to Participate in MultiSail 2017

The U.S. Navy and Japan Maritime Self-Defense Force (JMSDF) are participating in the annual bilateral training exercise MultiSail 2017, March 6-10. Participants include six U.S. Navy ships, two JMSDF ships, and a number of subsurface and other special units. MultiSail is a bilateral training exercise which improves interoperability between U.S. and Japanese forces. This training provides real-world proficiency through detecting, locating, tracking, and engaging units at sea, in the air, on land, and underwater in response to a range of mission areas. This year's exercise will include in-port and at-sea training by Naval Surface and Mine Warfighting Development Center.

10 May 2016

Japan, Australia Deepen Defense Relationship

The growing Defense relationship between Japan and Australia was given a boost this week when Royal Australian Navy (RAN) submarine HMAS Rankin conducted a port visit to Kobe, Japan from May 6-10,  2016. Highlighting Australia’s commitment to our long term relationship with Japan, Rankin will participate in a bilateral exercise with the Japanese Maritime Self-Defense Force (JMSDF). The bilateral training exercise will enable the participating vessels to conduct maritime skills such as maneuvering and communications while enhancing interoperability at sea. Over the past few years, the RAN and JMSDF have conducted a number of national visits and participated in Exercises NICHI GOU TRIDENT, DISTANT SHORES and KAKADU. Most recently, JS Shirase visited Sydney in March 2016.

03 May 2016

GE Gas Turbines for Japan's New Warship

Photo courtesy of GE Marine

GE's Marine Solutions announced it will provide IHI, Tokyo, Japan, with two LM2500 aeroderivative marine gas turbines for the Japan Maritime Self Defense Force's (JMSDF) new 8,200-ton class Aegis destroyer. “GE's LM family of gas turbines are already part of numerous JMSDF ships, most recently the Izumo-class DDH helicopter carriers and 5,000-ton class destroyer programs,” said Brien Bolsinger, Vice President, Marine Operations, GE, Evendale, Ohio. “By using our marine gas turbines, the JMSDF benefits from long term support, operational efficiency and commonality within their fleet.

23 Apr 2016

Australia-Japan bilateral exercise Ends

Ships and aircraft from the Royal Australian Navy and Japanese Maritime Self Defence Force (JMSDF) have completed the bilateral Exercise NICHI GOU TRIDENT off the coast of New South Wales. HMA Ships Ballarat, Adelaide and Success along with JMSDF destroyers JS Umigiri, JS Asayuki and submarine, JS Hakuryu, conducted a range of activities including anti-submarine warfare, ship handling and aviation operations as well as activities with Royal Australian Air Force AP-3C Orion and Hawk 127 aircraft. Australian Exercise Director, Captain Brian Schlegel said the successful interactions were especially important for the navies at a working level. Australia and Japan conduct regular exercises, including NICHI GOU TRIDENT and the biennial Exercise KAKADU.

13 Apr 2016

GE Exhibits Latest Innovations at Sea Japan

L250/V250 Marine Diesel Engine (Image: GE)

At Sea Japan 2016, GE will showcase its latest marine technologies, helping Japanese shipyards and mariners achieve more efficient maritime operations while meeting stringent environmental regulations. GE’s Marine Solutions business has been a reliable partner of the country’s marine industry. In the military space, Japanese Maritime Self-Defense Force (JMSDF) has chosen GE’s LM2500 and LM500 gas turbines for its naval ships. To date, GE’s marine systems’ supplier IHI has packaged, tested and delivered over 70 LM2500 and more than 30 LM500 marine gas turbines.