The is the main force of the

Maritime Self-Defense Force , abbreviated , also simply known as the Japanese Navy, is the maritime warfare branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan. The JMSDF was formed following the dissolution of the Imperial Japanese Navy (IJN) ...

, and was established at the same time as the establishment of the Self-Defense Forces (predecessor of the

Ministry of Defense {{unsourced, date=February 2021 A ministry of defence or defense (see spelling differences), also known as a department of defence or defense, is an often-used name for the part of a government responsible for matters of defence, found in states ...

) on July 1, 1954. It operates ships and aircraft, and responds to maritime defense in the waters around Japan, various situations, and international missions.

Overview

The Self-Defense Fleet is composed of the headquarters and

Fleet Escort Force The is the main force of the Self Defense Fleet of the Japan Maritime Self-Defense Force, and played a central role in the Maritime Self-Defense Force, which mainly consists of escort vessels and various other ships. Together with the Fleet Su ...

Fleet Air Force In the Japan Maritime Self-Defense Force (JMSDF), the Fleet Air Force ( ja, 航空集団, kōkū shūdan) is its naval aviation branch, responsible for both fixed-wing and rotary aircraft and headquartered in Naval Air Facility Atsugi. As of 2012, ...

Fleet Submarine Force The Fleet Submarine Force belonged to the surface force for the self-defense fleet of the Maritime Self-Defense Forces. It is a fleet organized around submarines belonging to the Self-Defense Fleet of the Japan Maritime Self-Defense Force. His ...

, Mine Warfare Force,

Fleet Intelligence Command The Fleet Intelligence Command belonged to the self-defense fleet of the Maritime Self-Defense Forces. It was previously known as Information Business Group. History It was the only intelligence unit of the Maritime Self-Defense Force, which ...

Oceanographic and ASW Support Command Oceanography (), also known as oceanology and ocean science, is the scientific study of the oceans. It is an Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamic ...

Fleet Research and Development Command The Fleet Research and Development Command belonged to the surface force for the self-defense fleet of the Japan Maritime Self-Defense Force, Maritime Self-Defense Forces. Its main tasks are experimental technology testing and development. Hist ...

, and other units specified by the Minister of Defense. It can be said that it is a

de facto ''De facto'' ( ; , "in fact") describes practices that exist in reality, whether or not they are officially recognized by laws or other formal norms. It is commonly used to refer to what happens in practice, in contrast with ''de jure'' ("by la ...

control unit of the actual combat division, which is equivalent to the

Combined Fleet The was the main sea-going component of the Imperial Japanese Navy. Until 1933, the Combined Fleet was not a permanent organization, but a temporary force formed for the duration of a conflict or major naval maneuvers from various units norm ...

of the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...

. The headquarters is located in the Funakoshi district (7-73 Funakoshi-cho, Yokosuka City, Kanagawa Prefecture). The new government building Marine Operations Center completed on the site of the

Kanto Auto Works was a Japanese car manufacturer. It was a member of the Toyota Group. In July 2012, Kanto Auto Works and two other Toyota subsidiaries were merged to form Toyota Motor East Japan. History In April 1946, Kanto Auto Works was established in Yok ...

began full-scale operation on October 1, 2020. In addition to the Self-Defense Fleet Command, the center contains the headquarters of the Fleet Escort Force, Fleet Air Force, Fleet Submarine Force, Mine Warfare Force, Fleet Intelligence Command, Oceanographic and ASW Support Command, Fleet Research and Development Command. The Maritime Operations Center before the completion of the new government building pointed to the command facility within the Self-Defense Fleet Command. Commanded by the commander of the Self Defense Fleet, under the command and supervision of the Minister of Defense through the Chief of Staff, Joint Staff, the commander of the Fleet Escort Force, the commander of the Fleet Air Force, and the commander of the Fleet Submarine Force operate the unit provided by such as a person in charge of dealing with certain situation. The commander of the Self-Defense Fleet is assigned by the Maritime Self-Defense Force. In principle, the executor of the Self-Defense Forces Fleet Review is the Commander of the Self-Defense Forces Fleet. According to the Self-Defense Forces Bill Guidelines decided by the Cabinet on March 2, 1954, after an agreement was reached by the Conservative Three-Party Defense Negotiations of the

Liberal Party The Liberal Party is any of many political parties around the world. The meaning of ''liberal'' varies around the world, ranging from liberal conservatism on the right to social liberalism on the left. __TOC__ Active liberal parties This is a li ...

, the Kaishintō Party, and the Japanese Liberal Party, a coalition self-defense fleet would be formed within the Maritime Self-Defense Force. However, in the Self-Defense Forces Bill officially decided by the Cabinet on March 9, 1954, it was changed to simply call it the Self-Defense Forces Fleet.

Citations

External Links

Fleet Intelligence CommandInstructions on the organization of the basic information support teamInstructions on the organization of electronic information support teamsInstructions on the organization of the operational information support team
{{Authority control Japan Maritime Self-Defense Force Naval history of Japan