JDS ''Asashio'' (SS-562) was the

lead boat The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels. Large ships are very complex and may ...

of thes. She was commissioned on 13 October 1966.

Construction and career

''Hayashio'' was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one ...

Kawasaki Heavy Industries (or simply Kawasaki) is a Japanese public multinational corporation manufacturer of motorcycles, engines, heavy equipment, aerospace and defense equipment, rolling stock and ships, headquartered in Chūō, Kobe and Minato, Tokyo, Japan. It ...

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Shipyard on 6 June 1960 and launched on 31 July 1961. She was commissioned on 30 June 1962, into the 2nd Submarine Group of the 1st Submarine Group. On 11 August 1967, she made contact with a portion of her hull with the seabed while training in the Tsushima area, damaging a portion of her

sonar Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances ( ranging), communicate with or detect objects on ...

. On 16 March 1968, she was transferred to the 3rd Submarine under the 1st Submarine Group, and she was incorporated with JDS Harushio. She participated in

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only ...

dispatch training from July 20 to October 8 of the same year. On 16 October 1973, the 3rd Submarine was reorganized into the 2nd Submarine Group, which was newly formed under the Self-Defense Fleet. At around 9:30 pm on 31 March 1978, she came into contact with JDS Natsugumo while training at Enshu-nada, about 120 km south of

Omaezaki 270px, Omaezaki City Hall is a city located in Shizuoka Prefecture, Japan. Omaezaki is located at the tip of Omaezaki Peninsula on Japan's Pacific coast. , the city had an estimated population of 32,422 in 12,095 households and a population ...

Shizuoka Prefecture is a prefecture of Japan located in the Chūbu region of Honshu. Shizuoka Prefecture has a population of 3,637,998 and has a geographic area of . Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Prefecture to the north ...

. The periscope of ''Asashio'' and the right shaft of Natsugumo were partially damaged. At that time, anti-submarine attack training aimed at ''Asashio'' was underway in this water area, and ''Asashio'' came into contact with Natsugumo at a periscope depth of about 16 meters. She was decommissioned on 30 March 1983. She had 2,330 dives, 21,674 hours and 14 minutes underwater, 8,066 hours and 58 minutes surfaced, and a total

nautical mile A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. Historically, it was defined as the meridian arc length corresponding to one minute ( of a degree) of latitude. Today t ...

of 201,243.4 nautical miles.

Citations

External links

{{DEFAULTSORT:Asashio (SS-562) 1965 ships Asashio-class submarines Ships built by Kawasaki Heavy Industries