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80-606: MSDF may mean: Japan Maritime Self-Defense Force , the Japanese Navy State Defense Forces : Massachusetts State Defense Force Missouri State Defense Force Milwaukee Secure Detention Facility , a prison Master of Science in Digital Forensics , an academic degree Multi-channel signed distance field , a field created by a signed distance function Topics referred to by

160-529: A disaster dispatch was made to a group of fishing boats in distress off the coast of Nemuro (1st Fleet Group, Ominato District Force). Originally, the predecessor Coastal Safety Force was an organization that was established to centrally operate the Tacoma -class frigate (PF) provided by the United States, but it took time for diplomatic and political procedures and ship maintenance. The official delivery

240-547: A fleet of various auxiliary ships . The fleet has a total displacement of approximately 624,000 tonnes, excluding auxiliary vessels. The Japan Maritime Self-Defense Force aviation maintains a large naval air force, including 201 fixed-wing aircraft and 145 helicopters. Most of these aircraft are used in anti-submarine warfare operations. The JMSDF is commanded by the Chief of the Maritime Staff. Its structure consists of

320-456: A mission to Cambodia in 1993 when JSDF personnel were supported by JDS Towada , it has been active in a number of UN-led peacekeeping operations throughout Asia. In 1993, the JMSDF commissioned its first Aegis -equipped destroyer, Kongō . It has also been active in joint naval exercises with other countries, such as the United States. The JMSDF has dispatched a number of its destroyers on

400-609: A number of minesweeping ships. Safety Security Force According to Article 5, Paragraph 2 of the National Safety Agency Law (Law No. 265 of 1952), the National Safety Agency Secretary, Deputy Director, Secretariat and each bureau, Second Staff Supervision Department and Second Staff Chief were all stipulated to include units and other organizations under their supervision. With the surrender of Japan on 2 September 1945,

480-529: A result of continuing effective defense investment due to Japan's economic development and an end to the Cold War , the JMSDF became the world's fourth largest navy by total tonnage by 2000. Japan has the eighth largest Exclusive Economic Zone (EEZ) in the world, and the JMSDF is responsible for protecting this large area. As an island nation, dependent on maritime trade for the majority of its resources, including food and raw materials, maritime operations are

560-672: A rotating schedule to the Indian Ocean in an escort role for allied vessels as part of the UN-led Operation Enduring Freedom . The JMSDF, along with the Japan Coast Guard , has also been active in preventing North Korean infiltrators from reaching Japan and on 22 December 2001, engaged and sank a North Korean spy ship in the Battle of Amami-Ōshima . In 2002, the JMSDF deployed ships to

640-468: A total of 1,000 crew members. Each Escort Flotilla is formed as a fleet of eight destroyers and eight on-board helicopters. Each force is composed of one helicopter destroyer (DDH) acting as a command ship, two guided-missile destroyers (DDG) and five standard or ASW destroyers (DD). The JMSDF is planning to reorganize the respective Escort Flotillas into a DDH group and DDG group, enabling faster overseas deployments. Five district units act in concert with

720-436: A very important aspect of Japanese defense policy. The JMSDF is known in particular for its anti-submarine warfare and minesweeping capabilities. Defense planners believe the most effective approach to combating hostile submarines entails mobilizing all available weapons, including surface combatants, submarines, patrol planes , and helicopters . They are also known to operate at least fourteen listening stations all over

800-550: Is different from Wikidata All article disambiguation pages All disambiguation pages Japan Maritime Self-Defense Force The Japan Maritime Self-Defense Force ( Japanese : 海上自衛隊 , Hepburn : Kaijō Jieitai ) , abbreviated JMSDF ( 海自 , Kaiji ) , also simply known as the Japanese Navy , is the maritime warfare branch of the Japan Self-Defense Forces , tasked with

880-686: Is limited by the absence of aircraft carriers , though its destroyers and frigates equipped with the Aegis combat system provide a formidable capability in antiaircraft and antimissile warfare . These capabilities are force multipliers, allowing force projection of Japan's sizable destroyer and frigate force far from home waters, and acquiring them is contentious considering Japan's "passive" defense policy. Long-range strike capability will be introduced as soon as Tomahawk cruise missiles are deployed on JMSDF destroyers. Destroyers and combat support ships of Japan Maritime Self-Defense Force were dispatched to

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960-528: Is planned to be a high-speed trimaran designed for operations in shallow coastal waters capable of carrying helicopters, possibly a lighter variant of the American 3,000-tonne (3,000-long-ton) littoral combat ship . The study was conducted in response to the growth of the Chinese People's Liberation Army Navy and budgetary issues with the U.S. military that may affect their ability to operate in

1040-716: The Izumo -class destroyers to carry US-designed F-35B fighter jets. This makes them de facto aircraft carriers . To avoid controversy, the ruling parties call it a "multi-purpose operation destroyer". It would be the first such ship in the JMSDF since World War II . On 23 May 2019, retired MSDF vice-admiral Toshiyuki Ito stated that Japan requires at least four Izumo -class destroyers to be viable for real naval combat operations. He said "If you only have two vessels, you can only use them for training personnel for taking off and landing operations, so this plan doesn't make sense for MSDF officers, frankly speaking." As aircraft carriers ,

1120-577: The Tacoma -class frigate (PF) loan from the US Far East fleet, former Admiral Kichisaburo Nomura , former Admiral Zenshiro Hoshina , and former Demobilization Agency Second Rehabilitation Bureau, an informal study of the Navy's revival was undertaken, centered on Navy personnel. On 19 October 1951, at a meeting between Prime Minister Shigeru Yoshida and General Matthew Ridgway , Supreme Commander for

1200-679: The Arabian Sea in support of Operation Anaconda during the War in Afghanistan . In August 2003, a new "helicopter carrier" class was ordered, the Hyūga -class helicopter destroyer . Due to the size and features of the ship, including a full-length flight deck , it was classified as a helicopter carrier by Lloyd's Register — similar to the United Kingdom 's HMS  Ocean . There

1280-573: The East China Sea southwest of the Japanese home islands ( pictured ). On 6 October 2022, five warships from the United States, Japan, and South Korea held a multilateral ballistic missile defense exercise in the Sea of Japan ( pictured ) as part of the military response to ongoing North Korean intermediate-range ballistic missile tests over the Japanese home islands . On 16 November 2022,

1360-685: The Fleet Air Force headquartered at Atsugi , the Fleet Submarine Force based at Yokosuka and Kure, the Mine Warfare Force based at Yokosuka and the Fleet Training Command at Yokosuka. In March 2018, Ryoko Azuma became the first female squadron commander in the JMSDF. Her unit includes the flagship Izumo , the largest warship in the JMSDF. She commands four warships making up a division with

1440-694: The Indian Navy . On 16 December 2022, the Japanese Cabinet approved a trio of defense-related policy documents, including its new National Security Strategy (NSS or 国家安全保障戦略), the strategic guideline document for the Japanese government's policies regarding diplomacy, defense, and economic security for the next decade. Based on the NSS, the National Defense Strategy (NDS or 国家防衛戦略) document outlined Japan's defense policy goals and

1520-682: The Izumo -class destroyers are relatively small, only able to carry approximately 10 F-35Bs, which Ito argued were too few to provide effective air defense. In 2019, the National Diet of Japan approved the order of 42 STOVL Lockheed Martin F-35 Lightning II aircraft in addition to 135 F-35A model conventional takeoff and landing fighters for the Japan Air Self-Defense Force to operate from their land bases;

1600-637: The Japanese army went through disarmament and was dissolved. In the Navy, the Imperial Japanese Navy General Staff was dissolved, and the Ministry of the Navy , which was the military administration department , was reduced and reorganized into the 2nd Ministry of Demobilization , which took over some operations such as demobilization and route enlightenment. Furthermore, with the progress of demobilization, in 1946, it

1680-473: The Korean Peninsula . On 19 December 2023, United States, Japan, and South Korea announced the activation of a real-time North Korea missile warning system as well as jointly established a multi-year trilateral exercise plan in response to North Korea's continued ballistic missile launches. The ship prefix JDS (Japanese Defense Ship) was used until 2008, at which time JMSDF ships started using

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1760-783: The Pacific Ocean and the Sea of Japan side, respectively. Also, on the same day, the Japan Coast Guard's route enlightenment work was transferred to the Coastal Security Force along with the minesweeper and its personnel. Kogoro Yamazaki , the Chief of Staff of the Coastal Safety Force, continued to serve as the first Chief of Staff, Second Staff. The Second Staff Office consisted of the General Affairs Department,

1840-659: The United States was also happy for Japan to provide part of its own defense, rather than have it fully rely on American forces . In 1952, the Safety Security Force was formed within the Maritime Safety Agency , incorporating the minesweeping fleet and other military vessels, mainly destroyers, given by the United States. In 1954, the SSF was separated, and the JMSDF was formally created as

1920-569: The 12 vessels to the JMSDF from fiscal year 2023, which starts on April 1, 2023. On August 31 2022, the Japan Ministry of Defense announced that JMSDF will operate two " Aegis system equipped ships " (イージス・システム搭載艦 in Japanese) to replace the earlier plan of Aegis Ashore installations, commissioning one by the end of fiscal year 2027, and the other by the end of FY2028. The budget for design and other related expenses are to be submitted in

2000-613: The 2nd Demobilization Agency and the Minesweeper Division of the Demobilization Agency. On the other hand, as the deterioration of offshore security became more serious due to the demobilization of the Japanese Navy, in 1946, the Japan Coast Guard became a law enforcement agency under the Ministry of Transport , incorporating these former Navy-derived sweeping units. It was installed. However, at

2080-566: The 2nd fleet (4 PF ships). On 16 August, the 2nd fleet group (currently the 2nd escort group) was formed by the command guard ship JDS  Momi , the 11th fleet (6 LSSL ships), and the 12th fleet (6 LSSL ships). On 16 September, a large-scale reorganization was carried out, and the Sasebo District Force and the Ominato District Force were newly formed. The route enlightenment corps of each district corps

2160-572: The Allied Powers (SCAP), 18 frigates (PF) and 50 landing support crafts (LSSL) were proposed. The lending proposal was officially made, and Prime Minister Yoshida accepted it on the spot. Then, in order to accept these vessels and establish an operation system, the Y Committee was set up as a secret organization under the direct control of the Cabinet and examined it. The members of the Y Committee were appointed by former Navy personnel and

2240-542: The Allied Powers as reparations. The remaining ships were used for repatriation of the Japanese soldiers from abroad and also for minesweeping in the area around Japan, initially under the control of the Second Bureau of the Demobilization Ministry . The minesweeping fleet was eventually transferred to the newly formed Maritime Safety Agency , which helped maintain the resources and expertise of

2320-807: The Defense Buildup Program, the Japan Maritime Self-Defense Force (JMSDF) will increase the number of Aegis-equipped guided-missile destroyers (DDG) from the current eight to ten, as well as two Aegis system-equipped vessels (ASEV) to be deployed in ballistic missile defense (BMD) operations. By the end of the decade, the JMSDF will operate 12 ships equipped with Aegis Weapon System (AWS) and likewise plans to replace its fleet of older, less capable destroyers and destroyer escorts with Mogami -class frigates . The JMSDF has an official strength of 50,000 personnel, but presently numbers around 50,800 active personnel. As

2400-710: The F-35B is same model aircraft that the US Marines operate from US Navy aircraft carriers and amphibious assault ships, the US Marines also plan to fly from the Japanese Izumo class after the STOVL modifications and refit. On October 14 2020, the 3,000-ton submarine Taigei was unveiled. This is the first vessel of the Taigei class and the 22nd submarine vessel of the JMSDF. The Taigei entered service in 2022, and

2480-455: The Indian Ocean from 2001 to 2008 to participate in OEF-MIO (Operation Enduring Freedom-Maritime Interdiction Operation). Their mission is to prevent the marine transportation of illegal weapons and ammunition, and the drugs which fund terrorist activity. Since 2004, the JMSDF has provided ships of foreign forces with fuel for their ships and ship-based helicopters, as well as freshwater. This

MSDF - Misplaced Pages Continue

2560-545: The Indian Ocean. In May 2010, Japan announced its intention to build a permanent naval base in Djibouti , from which it will conduct operations to protect merchant shipping from Somali pirates . The JMSDF and the U.S. Navy frequently carry out joint exercises and "U.S. Navy officials have claimed that they have a closer daily relationship with the JMSDF than any other navy in the world". The JMSDF participates in RIMPAC ,

2640-577: The JMSDF was primarily tasked with an anti-submarine role. Following the end of the Cold War , the role of the JMSDF has vastly changed. In 1991, after international pressure, the JMSDF dispatched four minesweepers, a fleet oiler ( JDS Tokiwa ) and a minesweeping tender (JDS Hayase ) to the Persian Gulf in the aftermath of the Gulf War , under the name of Operation Gulf Dawn, to clear mines sown by Saddam Hussein 's defending forces. Starting with

2720-693: The Japan Coast Guard Officer, and were in close cooperation with the US side. As a result of the examination by the Y Committee, these vessels will be centrally operated by a dedicated department set up within the Japan Coast Guard, separately from other patrol vessels, just before the San Francisco Peace Treaty comes into effect. On 26 April 1952, the Coast Guard was established at the Japan Coast Guard. On 1 August,

2800-572: The Japan-US ship loan agreement was signed on 14 May 1954, and Gleaves -class destroyer ( Asakaze -class destroyer ) and Fletcher -class destroyer ( Ariake -class destroyer ) were signed. Cannon -class destroyer escort ( Asahi -class destroyer escort ), Gato -class submarine ( JDS  Kuroshio ), etc. would be rented. Although it was not until the Maritime Self-Defense Force received these rented ships, it became

2880-589: The Japanese Maritime Self Defense Force (MSDF). The two ASEV warship would be exclusively tasked for dedicated ballistic missile defense (BDM) missions (BMD等) and operate off the Korean peninsula in the Sea of Japan , allowing the other Aegis guided-missile destroyers to meet other contingencies (侵攻阻止) while operating independently to maintain the maritime domain awareness (MDA) and keep the sea lines of communication (SLOC) open in

2960-717: The Maritime Staff Office, the Self Defense Fleet, five regional district commands, the air-training squadron and various support units, such as hospitals and schools. The Maritime Staff Office, located in Tokyo, serves the Chief of Staff in commanding and supervising the force. The Self-Defense Fleet, headquartered at Yokosuka , consists of the JMSDF's military shipping. It is composed of Fleet Escort Force, based in Yokosuka , Sasebo , Maizuru and Kure ,

3040-996: The National Safety Agency was established as an external agency of the Prime Minister's Office. The Coastal Safety Force was changed to the Coastal Security Force, and the National Police Reserve was changed to the National Safety Forces and integrated into the agency. Along with this, the Coastal Safety Force General Supervision Department was changed to the Second Staff Supervision Department, and two district units ( Yokosuka District Force and Maizuru District Force ) were newly formed on

3120-745: The Pacific. The J-LCS would be used to intervene during Chinese ship incursions near the Senkaku Islands and other contested areas in the East China Sea , and possibly counter similar Chinese vessels like the Type 056 corvette and Type 022 missile boat . A 1,000-tonne (980-long-ton) J-LCS with an enlarged hull could operate the SH-60K anti-submarine helicopter or the MCH-101 airborne mine countermeasures (AMCM) helicopter. On May 1 2017, JS  Izumo

3200-466: The Security Department, the Route Enlightenment Department, the Accounting and Supply Department, and the Engineering Department. In addition, the capacity at that time was 7,828 (7,590 guards, 238 workers), excluding those whom were hired for a period of up to two months and those who were on leave and those who were part-time. On 1 November, the 1st to 10th Mine Warfare Forces were formed with minesweepers belonging to each route enlightenment corps under

3280-415: The Security Department. Along with this, the district general supervision department was reorganized, the route enlightenment department was abolished, and an investigation room was set up. On 1 December, the Kanoya Air Group (currently the 1st Air Group) is newly incorporated into the Sasebo District Force. On 9 June, promulgation of the Prime Minister's Ordinance (Prefectural Ordinance No. 33) regarding

MSDF - Misplaced Pages Continue

3360-404: The Taepodong-1 missile over northern Japan, the JMSDF has increased its efforts in air defense . A ship-based anti-ballistic missile system was successfully test-fired on 18 December 2007 and has been installed on Japan's Aegis-equipped destroyers. In November 2009, the JMSDF announced plans for a larger "helicopter carrier", the Izumo -class helicopter destroyer . The first one of these ships

3440-424: The U.S. Navy and U.S. Missile Defense Agency . This was the first time the two ships conducted SM-3 firings in the same time period, and the tests validated the ballistic missile defense capabilities of Japan's newest Maya -class destroyers . On 22 February 2023, five warships from the United States, Japan, and South Korea held a multilateral ballistic missile defense exercise in the Sea of Japan in response to

3520-423: The U.S. Navy and U.S. Missile Defense Agency . This was the first time the two ships conducted SM-3 firings in the same time period, and the tests validated the ballistic missile defense capabilities of Japan's newest Maya -class destroyers . On 16 December 2022, Second Kishida Reshuffled Cabinet approved a trio of defense-related policy documents, including its new National Security Strategy (NSS or 国家安全保障戦略),

3600-427: The US and Japanese forces during World War II was serious. For this reason, the Navy's minesweeping unit, which once stopped the minesweeping work and dismantled, but was immediately reorganized as the Minesweeping Division of the General Affairs Bureau of the 2nd Ministry of Demobilization on September 18, and the work was resumed. After that, it changed to the Minesweeper Division of the General Affairs Department of

3680-411: The annual multi-national military exercise near Hawaii that has been hosted by the U.S. Navy since 1980. The JMSDF dispatched a ship to the Russian Vladivostok harbor in July 1996 to participate in the Russian Navy 's 300th Anniversary Naval Review. In return, Admiral Vinogradov , an Udaloy -class destroyer , called at Tokyo Bay in June 1997. The JMSDF has also conducted joint naval exercises with

3760-428: The control of the Yokosuka District Force as the first aviation unit of the Coastal Security Force, and the Coastal Security Force Technical School was established in Yokosuka as an educational institution. On 16 October, the Second Staff Office was reorganized, the Second Staff Deputy Chief and the Investigation Department were placed, the Route Opening Department was abolished, and its operations were transferred to

3840-426: The control of the district corps, and were incorporated into each route enlightenment corps. On 14 January, the first vessels (6 PF, 4 LSSL) based on the Japan-US Ship Lease Agreement was delivered, and the 1st, 2nd, and 11th fleets were reorganized on the same date. On 1 April, the 1st fleet group (currently the 1st escort group) was formed by the command guard ship JDS  Ume , the 1st fleet (4 PF ships), and

3920-430: The core of the Maritime Self-Defense Force's strength at the time of its establishment, and it was in a position as a de facto navy . The aircraft first received was a Bell-47D helicopter at the Susaki Heliport on 6 August 1953, and then received a total of four aircraft. They also bought three S-51s and two S-55s . These rotorcraft were deployed to the Tateyama Air Group. For fixed-wing aircraft , they purchased

4000-441: The country that have ELINT and marine surveillance radar warning systems. Historically, the Japan Air Self-Defense Force (JASDF) has been relied on to provide air cover at sea, a role that is subordinate to the JASDF's primary mission of air defense of the home islands. Extended patrols over sea lanes are beyond the JASDF's current capabilities. The Japanese fleet's capacity to provide ship-based antiaircraft warfare protection

4080-424: The defense minister ordered the JMSDF to return from the Indian Ocean, fulfilling a government pledge to end the eight-year refueling mission. Prime Minister Yukio Hatoyama refused to renew the law authorizing the mission, ignoring requests from the American government for continuation. Both the Western alliance country typified by the Royal Australian Navy and the Royal Danish Navy , doing friendship activities in

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4160-411: The end of the decade, the JMSDF will operate 12 ships equipped with Aegis Weapon System (AWS) and likewise plans to replace its fleet of older, less capable destroyers and destroyer escorts with Mogami -class frigates . On 23 December 2022, the Japanese Ministry of Defense's 2023 budget and program guidance documented provided examples of operations (運用の一例) for the Aegis-equipped naval forces of

4240-614: The first delivery ceremony was held on 14 January 1953. Since then, 18 PFs and 50 LSSLs have been lent 11 times until December 23. These were called guard ships and were all named after flowers. In April 1953, the 1st Fleet Group was formed by these ships. In order to solve this shortage of ships, a new domestic ship construction plan was drafted in the 1953 plan, and construction of two A-type guard ships (later Harukaze -class escort ships ) and three B-type guard ships ( Akebono / Ikazuchi -class escort ships ). Has been decided. However, because domestic ships were not completed immediately,

4320-406: The first time in 36 years. After a meeting between the Japanese Foreign Minister Fumio Kishida ( Second Abe Cabinet ) and U.S. Ambassador to Japan Caroline Kennedy on 4 March 2014, the Japanese Defense Ministry and U.S. Department of Defense announced they would hold studies for the joint development of the littoral vessel under the bilateral Mutual Defense Assistance Agreement. The vessel

4400-447: The fleet to guard the waters of their jurisdictions and provide shore-based support. Each district is home to a major JMSDF base and its supporting personnel and staff. Each district is home to one or two regional escort squadrons, composed of two to three destroyers or destroyer escorts (DE). The destroyers tend to be of older classes, mainly former escort force ships. The destroyer escorts tend to be purpose built vessels. Each district has

4480-417: The form of "item requests", without specific amounts, and the initial procurement of the lead items are expected to clear legislation by FY2023. Construction is to begin in the following year of FY2024. At 20,000 tons each, both vessels will be the largest surface combatant warships operated by the JMSDF, and according to Popular Mechanics , they will "arguably [be] the largest deployable surface warships in

4560-423: The guided-missile destroyer Maya fired an SM-3 Block IIA missile, successfully intercepting the target outside the atmosphere in the first launch of the missile from a Japanese warship. Two days later, the Haguro fired an SM-3 Block IB missile with a successful hit outside the atmosphere. Both test firings were conducted at the U.S. Pacific Missile Range Facility on Kauai Island , Hawaii, in cooperation with

4640-407: The launch of a North Korean Hwasong-15 ballistic missile on 18 February 2023, landing in Japan's exclusive economic zone (EEZ) in the Sea of Japan, in an area 125 miles west of the island of Ōshima , which lies 30 miles (48 km) west of the main island of Hokkaido . Two additional IBCBMs were subsequently launched on 20 February 2023, with both landing in the Sea of Japan off the east coast of

4720-495: The means to achieve them while the Defense Buildup Program (DBP or 防衛力整備計画) document outlined the scale of the introduction of specific defense equipment within the budgetary objectives. According to the Defense Buildup Program document, the JMSDF will increase the number of Aegis-equipped guided-missile destroyers (DDG) from the current 8 to 10 warships, as well as the introduction of two Aegis system-equipped vessels (ASEV) to be deployed in ballistic missile defense (BMD) operations. By

4800-424: The naval branch of the Japan Self-Defense Forces (JSDF), following the passage of the 1954 Self-Defense Forces Law. The first ships in the JMSDF were former U.S. Navy destroyers, transferred to Japanese control in 1954. In 1956, the JMSDF received its first domestically produced destroyer since World War II, Harukaze . Due to the Cold War threat posed by the Soviet Navy 's sizable and powerful submarine fleet,

4880-426: The naval defense of Japan. The JMSDF was formed following the dissolution of the Imperial Japanese Navy (IJN) after World War II . The JMSDF has a fleet of 154 ships, 346 aircraft and 50,800 personnel. Following Japan's defeat in World War II , the Imperial Japanese Navy was dissolved by the Potsdam Declaration acceptance. Ships were disarmed, and some of them, such as the battleship Nagato , were taken by

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4960-441: The navy. Japan's 1947 Constitution was drawn up after the conclusion of the war, which contained Article 9 , which specified that "The Japanese people forever renounce war as a sovereign right of the nation and the threat or use of force as a means of settling international disputes." The prevalent view in Japan is that this article allows for military forces to be kept for the purposes of self-defense. Due to Cold War pressures,

5040-543: The oath of service of the National Safety Agency staff. On 21 June, service members took oath of their service. When the Guard, which was a complementary organization of the police, became the Self-Defense Forces with the mission of national defense, an oath suitable for the new mission was required. From 28 June to 10 July, was the first disaster dispatch of the Coastal Security Force for flood damage in western Japan (Shimonoseki, Kure, Osaka, Sasebo route enlightenment corps). In this 12-day activity of 41 minesweepers in total,

5120-589: The prefix JS (Japanese Ship) to reflect the upgrade of the Japanese Defense Agency to the Ministry of Defense . As of 2014 , the JMSDF operates a total of 124 ships, excluding minor auxiliary vessels. This includes: two multi-purpose operation destroyers (de facto aircraft carriers ), two helicopter carriers ( called helicopter destroyers ), 26 destroyers , 10 small destroyers ( or frigates ), six destroyer escorts ( or corvettes ), 22 attack submarines , 29 mine countermeasure vessels , six patrol vessels , three landing ship tanks , eight training vessels and

5200-496: The results of communication support, clearing of route obstacles, about 338 tons of relief supplies, and marine transportation of 20 people were achieved. From 18 July to 1 August, was dispatched for floods in Wakayama Prefecture (1st Fleet Group, 16th Fleet, Kure / Osaka Route Enlightenment Corps, etc.). In this activity of 148 vessels in total, 2,719 people were transported, 189 tons of relief supplies were transported, and 57 vessels were transported by boat. From 11 May to 26 May,

5280-405: The same term [REDACTED] This disambiguation page lists articles associated with the title MSDF . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=MSDF&oldid=1142666029 " Category : Disambiguation pages Hidden categories: Short description

5360-425: The second ship of the class, Hakugei , was commissioned in 2023. On 30 June 2022, the Japan Ministry of Defense announced the construction of 12 offshore patrol vessels (OPVs) by Japan Marine United Corporation (JMU) for the Japan Maritime Self-Defense Force (JMSDF) at a cost of ¥ 9 billion (US$ 66 million) per ship. The purpose of this OPV program is to provide enhanced maritime security, particularly around

5440-414: The smaller carriers as " anti-submarine aircraft carriers ". Since helicopter carriers have little built-in attack capability and they primarily fulfill defensive roles such as anti-submarine warfare, the Japanese government argues that the prohibition does not extend to helicopter carriers. With an increase in tensions with North Korea following the 1993 test of the Nodong-1 missile and the 1998 test of

5520-411: The southwestern Ryukyu Islands , including the disputed Senkaku/Diaoyu Islands in the East China Sea , by boosting JMSDF patrol activities in the region. These vessels are highly automated and configurable to meet a wide range of missions involving "enhanced steady-state intelligence, surveillance, and reconnaissance (ISR) in the waters around Japan". Under the contract, JMU is charged with delivering

5600-428: The strategic guideline document for the Japanese government's policies regarding diplomacy, defense, and economic security for the next decade. Based on the NSS, the National Defense Strategy (国家防衛戦略) outlined Japan's defense policy goals and the means to achieve them while the Defense Buildup Program (防衛力整備計画) outlined the scale of the introduction of specific defense equipment within the budgetary objectives. According to

5680-421: The time of its establishment, in response to instructions from the GHQ Civil Affairs Bureau in consideration of the backlash from the Far Eastern Commission against the armed Japan Coast Guard ships, strict restrictions were imposed on displacement, armament, and speed in order to clearly indicate that the patrol boat was not for military use. In October 1950, after receiving an informal consultation regarding

5760-606: The world". On 16 November 2022, the guided-missile destroyer Maya fired an SM-3 Block IIA missile, successfully intercepting the target outside the atmosphere in the first launch of the missile from a Japanese warship. On 18 November 2022, the Haguro likewise fired an SM-3 Block IB missile with a successful hit outside the atmosphere. Both test firings were conducted at the Pacific Missile Range Facility on Kauai Island , Hawaii, in cooperation with

5840-638: Was abolished, the base guard corps was set up in each district corps, and the Kure district base corps was newly formed in Kure , and the base corps was newly formed in Osaka , Shimonoseki , and Hakodate . Traditional mine warfare forces have been incorporated into base guards, local bases, and bases, respectively. In addition, the Tateyama Air Group (currently the 21st Air Group) was newly established under

5920-719: Was commissioned in March 2020. Japan and the United States conducted the biggest military exercise around Japan in the biennial Keen Sword from 29 October to 2 November 2018. It included a total of 57,000 sailors, marines and airmen. 47,000 service members were from the JSDF and 10,000 from the U.S. Armed Forces . A naval supply ship and a frigate of the Royal Canadian Navy also participated. There were simulations of air combat, ballistic missile defense and amphibious landings. On 18 December 2018, Japan announced it would refit

6000-491: Was discussion about whether an aircraft carrier would be prohibited by Article 9 of the Japanese Constitution , since aircraft carriers are generally considered offensive weapons. The Self-Defense Forces are not allowed to possess ICBMs , strategic bombers , or attack aircraft carriers. Historically (until about 1975 in the U.S. Navy ) large-scale carriers were classified as "attack aircraft carriers" and

6080-447: Was dispatched to protect a U.S. Navy supply vessel in the Pacific. This was the first time the JMSDF was used to defend allied vessels since the 2016 amendment to the Japanese Constitution. Japan christened the 84 m (275 ft 7 in) long, 2,950 t (2,900-long-ton) JS Ōryū submarine on October 4 2018. It is Japan's first submarine powered by lithium-ion batteries and was developed by Mitsubishi Heavy Industries . It

6160-487: Was integrated with the 1st Ministry of Demobilization ( Army Ministry ), and the Demobilization Agency (2nd Demobilization Agency), which is an external agency of the Cabinet, and later under the direct control of the Prime Minister's Office . After that, it became a part of the Ministry of Health and Welfare (Demobilization Bureau). However, even after the war, the need to open the route for mines laid by both

6240-438: Was laid down in 2012 and was launched on 6 August 2013. The submarine fleet of the JMSDF consists of some of the most technologically advanced diesel-electric submarines in the world. This is due to careful defense planning in which the submarines are routinely retired from service ahead of schedule and replaced by more advanced models. In 2010 it was announced that the Japanese submarine fleet would be increased in size for

6320-452: Was not in time for the Coastal Safety Force era, and the ship was only undertaken for storage (borrowing) after the maintenance was completed. At the time of the inauguration of the Coastal Security Force, there were only 76 vessels, including 4 patrol frigates (PF), 2 Landing Craft Support crafts (LSSL), and minesweepers under the jurisdiction of the Japan Coast Guard. The US-Japan Ship Lease Agreement came into effect on 27 December 1952, and

6400-618: Was the third time Japanese military vessels had been dispatched overseas since World War II, following the deployments of mine-sweeping units during the Korean War and the Persian Gulf War . The law enabling the mission expired on 2 November 2007, and the operation was temporarily canceled due to a veto of a new bill authorizing the mission by the opposition-controlled upper chamber of the Japanese Diet . In January 2010,

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