Development
The experience of minesweeping during the Korean War has made countries concerned and aware of the threat of submerged mines. In particular, the increasing intelligence of sensitive mine ignition devices and the emergence of target tracking mines will increase the risk of touching mines and the uncertainty of minesweeping in conventional towed rear minesweeping, and one mine will be removed by explosive disposal methods. Attention was focused on minesweeping, which was to ensure that one was incapacitated. [2]
However, on the other hand, as of the early 1950s, only the earliest mine detectors such as the American AN/UQS-1 were in practical use, and these 100 kHz class sonars were to detect mine-like targets. However, it was not practical to use for mine clearance because it was not possible to distinguish whether it was actually a mine. To solve this problem, the United Kingdom, Plessey Company, in addition to the 100 kilohertz for mine detection was a two-frequency sonar that corresponds to the 300 kilohertz for mine classification ASDIC 193 type developed, the 1960s the country's Navy's Ton-class minesweeper. It was since used It in by mounting it on a minesweeper. [3]
In Japan's Maritime Self-Defense Force, after establishing the minimum required minesweeping operational force in the 1st Defense Build-up Plan and the 2nd Defense Build-up Plan , the amount of further minesweeping capacity in the 3rd Defense Build-up Plan The aim was to improve the quality and quality. For this reason, it was decided to give the new minesweeper, which will be maintained from the 1967 plan, the same minesweeper function as the Ton-class minesweeper. [4]
The Japan Maritime Self-Defense Force, abbreviated JMSDF, 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) after World War II. The JMSDF has a fleet of 154 ships, 346 aircraft and 50,800 personnel.
The Yaeyama class is the largest class of Japan Maritime Self-Defense Force minesweepers, designed for open-sea mine clearance operations. Three ships were built in the class, a further three ships were planned but were cancelled. The ships use wooden hulls to reduce their magnetic signature and is one of the largest-sized wooden hull ships designed today.
JS Yaeyama (MSO-301) was the lead ship of the Yaeyama-class minesweepers of the Japanese Maritime Self-Defense Force. She was commissioned on 16 March 1993.
JS Hachijō (MSO-303) was the third ship of the Yaeyama-class minesweepers of the Japanese Maritime Self-Defense Force. She was commissioned on 24 March 1994.
The Ariake-class destroyer is a class of destroyers of the Japan Maritime Self-Defense Force. Two ships of the Fletcher class were lent by the United States Navy and were in commission from 1959 until 1974.
JDS Tsugaru (ARC-481) was a cable laying ship of the Japanese Maritime Self-Defense Force.
JDS Hayase (MST-462) was a minesweeper for the Japan Maritime Self-Defense Force.
OPS-9 is a two-dimensional radar manufactured by Fujitsu. It is installed as an anti-water search radar on the Maritime Self-Defense Force's escort ship. Variations include OPS-9B and OPS-9C.
OPS-4 is a two-dimensional radar manufactured by Oki Electric Industry. It was installed as surface-search radar on the Maritime Self-Defense Force's self-defense ship.
The Futami class was a class of oceanographic research ship of Japan Maritime Self-Defense Force (JMSDF) in the late 1970s.
JDSAkashi(AGS-5101) was an oceanographic research ship of Japan Maritime Self-Defense Force (JMSDF) in the late 1960s.
JDSSōya(MMC-951) was an minelayer of Japan Maritime Self-Defense Force (JMSDF) in the early 1970s.
The Mine Warfare Force belonged to the minesweeping force for the self-defense fleet of the Maritime Self-Defense Forces. Its main task is to lay naval mines in the event of an emergency, and it also help to dispose mines installed during World War II.
JSAwaji(MSO-304) is the lead ship of the Awaji-class minesweeper of Japan Maritime Self-Defense Force (JMSDF).
The Enoshima class is a class of coastal minesweepers of the Japan Maritime Self-Defense Force.
The Hirashimaclass is a class of coastal minesweepers of the Japan Maritime Self-Defense Force.
The Sugashimaclass is a class of coastal minesweepers of the Japan Maritime Self-Defense Force.
The Uwajimaclass is a class of coastal minesweepers of the Japan Maritime Self-Defense Force.
The Hatsushimaclass is a class of coastal minesweepers of the Japan Maritime Self-Defense Force.
The Safety Security Force, also simply known as the Coastal Security Force, is an organization under the jurisdiction of the National Safety Agency, and existed from 1 August 1952 to 30 June 1954 in Japan. It is a maritime security agency established for the purpose of territorial waters security. It is the successor to the Japan Coast Guard and the predecessor of the Maritime Self-Defense Force.
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