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Contents

   



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1 Building  





2 Operational history  





3 Fate  





4 References  



4.1  Notes  





4.2  Books  







5 External links  














Japanese minelayer Okinoshima






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Okinoshima in 1937

History
Empire of Japan
NameOkinoshima
NamesakeOkinoshima Island
Orderedfiscal 1931
BuilderHarima Shipyards
Laid down27 September 1934
Launched24 November 1935
Commissioned30 September 1936
Stricken25 May 1942
FateSunk after being torpedoed by USS S-42, 12 May 1942
General characteristics
TypeMinelayer
Displacement4,290 long tons (4,359 t) (standard)
Length
  • 113 m (370 ft 9 in) (pp)
  • 119.29 m (391 ft 4 in) (waterline)
Beam15.74 m (51 ft 8 in)
Draught5.49 m (18 ft)
Installed power
  • 4 boilers
  • 9,000 shp (6,700 kW)
Propulsion2 shafts; 2 geared steam turbines
Speed20knots (37 km/h; 23 mph)
Range9,000 nmi (17,000 km; 10,000 mi) at 10 knots (19 km/h; 12 mph)
Complement445
Armament
Aircraft carried1 × Kawanishi E7K seaplane
Aviation facilities1 aircraft catapult

Okinoshima (沖島) was a large minelayer of the Imperial Japanese Navy (IJN), which was in service during the early stages of World War II. She was named after the Okinoshima Island in the Sea of Japan. She was the largest purpose-built minelayer in the IJN and the first Japanese minelayer to be equipped with a reconnaissance seaplane.

Building

[edit]

Following the ratification of the London Naval Treaty, the Imperial Japanese Navy decided to retire its existing obsolete minelayers, the former cruisers Aso, and Tokiwa. A replacement was budgeted under the Maru-1 Supplementary Naval Expansion Budget of 1931. The new vessel was to be of unprecedented size, thus overcoming the shortcomings of previous minelayers in the Japanese inventory in terms of range and capacity.[1] In addition to carrying 600 Type 6 naval mines, the new ship had the same guns as were used on the Japanese cruiser Yubari,[2] and also was equipped with an aircraft catapult, and a Kawanishi E7K reconnaissance seaplane.

Okinoshima was launched by the Harima Shipyards (now part of IHI Corporation) in Hyōgo Prefecture, Japan on November 14, 1935, and was commissioned into service on 30 September 1936.[3]

Operational history

[edit]

During the late 1930s, Okinoshima was assigned as flagship of a destroyer squadron, and made numerous survey missions to the Marshall Islands, Caroline Islands and Marianas in the Japanese South Seas Mandate, seeking potential sites for seaplane bases, and transporting naval mines for future use.

At the time of the attack on Pearl Harbor in December 1941, Okinoshima was serving as flagship for Admiral Kiyohide Shima in Operation Gi (the invasion of the Gilbert Islands) and had deployed from Jaluit with a Special Naval Landing Force (SNLF) embarked. From 9–10 December, Okinoshima supported the Japanese landings on Makin and on Tarawa, and on 24 December, the seizure of Abaiang. Okinoshima was at Truk on 1 January 1942.[4]

In January 1942, under the overall command of Admiral Sadamichi Kajioka, Okinoshima participated in "Operation R" (the invasion of Rabaul) landing Japanese troops at Blanche Bay, Rabaul on the night of 22/23 January 1942. On 1 February, Okinoshima was officially reassigned to the South Seas Force.

On 5 March, Okinoshima, under the overall command of Admiral Kuninori Marumo, was assigned to "Operation SR" (the invasion of Lae and SalamauainNew Guinea). On 10 March, the invasion force was attacked by United States Navy aircraft from USS Yorktown and USS Lexington, with Okinoshima suffering light damage.

After repairs at Truk, on 28 April Okinoshima was appointed flagship for Admiral Shima's Tulagi invasion force, which was part of "Operation Mo" (the invasion of Tulagi and Port MoresbyinNew Guinea). The Tulagi assault force began their landings on Tulagi on 3 May, with Okinoshima successfully landing troops of the Kure 3rd SNLF. However, the invasion force was attacked on 4 May by aircraft from the USS Yorktown. Several transports and the destroyer Kikuzuki were sunk and Okinoshima suffered from a near miss, which resulted in her being towed to Rabaul for repairs.

Fate

[edit]

On 10 May, Okinoshima departed Rabaul as part of "Operation RY", the invasion of Nauru and Ocean Island. On 12 May 1942, off New Ireland, she was hit by two or three torpedoes from the American submarine USS S-42. Okinoshima was taken under tow by the escorting destroyer Mochizuki, but capsized in St. George's Channel, in the Bismarck Sea at position 05°06′S 153°48′E / 5.100°S 153.800°E / -5.100; 153.800.[3] Most of the crew survived. Okinoshima was removed from the navy list on 25 May 1942.

References

[edit]

Notes

[edit]
  1. ^ Watts, Anthony J (1967). Japanese Warships of World War II. Doubleday. ISBN 978-0-3850-9189-3.
  • ^ DiGiulian, Tony (2007). "Japanese 5.5"/50 (14 cm) 3rd Year Type 14 cm/50 (5.5") 3rd Year Type". Naval Weapons of the World. Navweaps.com.
  • ^ a b "Minelayer Okinoshima". Combinedfleet.com. Retrieved 1 February 2020.
  • ^ Rohwer, Jürgen (2005). Chronology of the War at Sea, 1939-1945: The Naval History of World War Two. US Naval Institute Press. ISBN 1-59114-119-2.
  • Books

    [edit]
    [edit]
    Retrieved from "https://en.wikipedia.org/w/index.php?title=Japanese_minelayer_Okinoshima&oldid=1133348020"

    Categories: 
    Minelayers of the Imperial Japanese Navy
    World War II mine warfare vessels of Japan
    Ships built by IHI Corporation
    1935 ships
    Maritime incidents in May 1942
    Shipwrecks in the Bismarck Sea
    Ships sunk by American submarines
    Hidden categories: 
    Articles containing Japanese-language text
    Pages using gadget WikiMiniAtlas
     



    This page was last edited on 13 January 2023, at 09:48 (UTC).

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