With the surrender of 1945, Japan was demilitarized based on the Potsdam Declaration, and the Imperial Japanese Navy was also dissolved.

[3] When the National Safety Agency Guard was established on August 1, 1952, the route enlightenment work was transferred to this place, and the scavenging boats of the route enlightenment department of each district maritime security headquarters became the Yokosuka District Force.

It was incorporated into the Yokosuka District Force, Yokosuka, Hakodate, Seibu, Kure, Osaka, Tokuyama, Shimonoseki, and Sasebo Route Enlightenment Corps (Maizuru District Force, Maizuru, Niigata Route Enlightenment Corps).

[4] On January 18, 1955, one Bluebird-class minesweeper was acquired and recommissioned as JDS Yashima, and on March 15, seven Albatross-class (Ujishima-class) vessels were received and the 11th.

In March 1969, when the minesweeping area was largely cleared, the 1st Mine Warfare Force was also incorporated into the Self-Defense Fleet.

The 1976 degrees was built from Hatsushima-class in, remote control of an unmanned underwater vehicle (ROV) mine disposal device S-4 is mounted.

As the activities of the 2nd Submarine Force at Yokosuka Naval Base were greatly affected, the development of the ability to deal with deep anti-submarine mines became extremely urgent.

[5] On the other hand, the dispatch of the Self-Defense Forces to Persian Gulf in 1991, was the first overseas dispatch for actual missions after the war, but the Prime Minister received the first special certificate of the Self-Defense Forces, and foreign navies praised the high degree of training.

But through this dispatch, from the fact that compared to the United States and Europe that the mechanization and automation of mine sweeping capability has lagged behind large it has been keenly aware of.

In addition to strengthening the team by establishing a new chief of staff and increasing the number of staff, the quality has improved, such as the establishment of a minesweeping operation support team that manages data on mine tactics and waterway surveys and supports operations against mines.

[7] In May 2013, the Ground Self-Defense Force of the Western Army Infantry Regiment with, Maritime Self-Defense Force is the United States Navy, Marine Corps Dawn Blitz 13 exercises (Operation Dawn Blitz) participated in.

In addition, in support activities for the 2011 Great East Japan Earthquake, the 4th Maritime Disaster Unit, which is a Minesweeping Group, entered deep into the bay by taking advantage of the characteristics that the draft is shallow and it can turn around quickly and that foreign substances in the water can be detected and avoided by the mine detector.

Conducted command and staff activities related to actions (including support such as supply to the landing force) and amphibious operations.

[9][10] In March 2016, Major General Yuasa, who was the training controller on the Japanese side in the Dawn Blitz 13 exercise, became the commander of the Mine Warfare Force, and on July 1, the 1st Transport Corps and the 1st Air Cushion Corpss.