Japanese escort ship Shimushu

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Shimushu in 1940
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Script error: No such module "Nihongo". was the lead ship of her class of four escort ships built for the Imperial Japanese Navy during World War II.

Background and description

The Japanese called these ships Kaibōkan, "ocean defence ships", (Kai = sea, ocean, Bo = defence, Kan = ship), to denote a multi-purpose vessel. They were initially intended for patrol and fishery protection, minesweeping and as convoy escorts. The ships measured Script error: No such module "convert". overall, with a beam of Script error: No such module "convert". and a draft of Script error: No such module "convert"..[1] They displaced Script error: No such module "convert". at standard load and Script error: No such module "convert". at deep load. The ships had two diesel engines, each driving one propeller shaft, which were rated at a total of Script error: No such module "convert". for a speed of Script error: No such module "convert".. The ships had a range of Script error: No such module "convert". at a speed of Script error: No such module "convert"..[2]

The main armament of the Shimushu class consisted of three Type 3 Script error: No such module "convert". guns in single mounts, one superfiring pair aft and one mount forward of the superstructure. They were built with four Type 96 Script error: No such module "convert". anti-aircraft guns in two twin-gun mounts, but the total was increased to 15 guns by August 1943. A dozen depth charges were stowed aboard initially, but this was doubled in May 1942 when their minesweeping gear was removed.[2] The anti-submarine weaponry later rose to 60 depth charges with a Type 97 Script error: No such module "convert". trench mortar and six depth charge throwers.

Construction and career

Shimushu participated in the landings in Thailand, escorting the 55th IJA Infantry Division to landings at Nakhon on 8 December 1941. She also escorted various other invasion convoys to Malaya, Sumatra, and Palembang. Using her sonar, she located the British battlecruiser Script error: No such module "WPSHIPS utilities". on 29 January 1942, being the first ship to locate the submerged wreck.

Shimushu participated in the HI-40 convoy disaster of 19–24 February 1944, in which all six oilers that were escorted by her — and only her, as she was the lone escort vessel — Nampo Maru were torpedoed and sunk by the American submarines Script error: No such module "WPSHIPS utilities". and Script error: No such module "WPSHIPS utilities".. After that convoy disaster, the Naval General staff discontinued assigning only one escort to convoys and organized larger convoys with more escorts.

Shimushu participated in the TA No. 2 and 3, the Japanese effort to hold Leyte island, and claimed one of the five B-25 Mitchell medium bombers lost in the first wave. On 25 November, Shimushu was torpedoed by the submarine Script error: No such module "WPSHIPS utilities". and lost her bow, and was repaired by 20 January 1945. The ship spent more than a year on repatriation duty and was ceded to the Soviet Union on 5 July 1947. The ship served in the Soviet Pacific Ocean Fleet as patrol ship EK-31 (1947), dispatch ship PS-25 (1948), repair ship PM-74 (1957). She was decommissioned on 16 May 1959 and scrapped.

Notes

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  1. Chesneau, p. 205
  2. a b Jentschura, Jung & Mickel, p. 186

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References

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External links

Template:Shimushu class escort ship