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Ōsumi-class tank landing ship (1961)

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JDSShiretoko
Class overview
NameŌsumiclass
BuildersSasebo Naval Arsenal
OperatorsJapan Maritime Self-Defense Force
Succeeded byAtsumi-classtank landing ship
Built1944-1945
In commission1961-1976
Planned3
Completed3
Retired3
General characteristics
TypeLanding ship tank
Displacement
  • 1,780 long tons (1,809 t) light
  • 3,640 long tons (3,698 t) full
Length328 ft (100 m)
Beam50 ft (15 m)
Draft
  • Unloaded:
  • 2 ft 4 in (0.71 m) forward
  • 7 ft 6 in (2.29 m) aft
  • Loaded:
  • 8 ft 2 in (2.49 m) forward
  • 14 ft 1 in (4.29 m) aft
Propulsion2 ×General Motors12-567diesel engines,two shafts, twin rudders
Speed12knots(22 km/h; 14 mph)
Boats & landing
craft carried		2LCVPs
TroopsApproximately 140 officers and enlisted men
Complement8-10 officers, 100-115 enlisted men
Armament

TheOsumi-class tank landing shipwere a class of transport ships operated by theMaritime Self-Defense Force.It was recommissioned with the donation of threeLST-542-classtank landing shipfrom theUS Navy.Initially, it was categorized as aamphibious landing ship,but the ship type was changed on 1 April 1971.[1]

Description

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TheMaritime Self-Defense Force's transport and landing craft unit consists of sixgeneral-purpose landing craft(LCUs) (built in Japan by extraterritorial procurement) and mobile landing craft (built in Japan) provided by theUS Navybased on the MSA Agreement in 1955 (Showa 30). It all started with the establishment of a fleet of 29 ships. However, all of these were small, had limited transport and landing capabilities, and lacked seakeeping. From this, based on the MSA agreement, threeLST-542-class tank landing ships, which had beenmothballedin theUnited States,will be provided.

TheLST-542class was the last model of theLST-1-classtank landing ship,and the displacement is increased by adding one layer of bridge and adding machine guns based on the early model, and it is also the latter model In comparison, the amount of cargo loaded has been reduced to 1,900 tons due to the strengthening of water production capacity. In addition,Ōsumi-class had three davits on each side that could carry landing craft such asmobile landing craft(LCM) andvehicle personnel landing craft(LCVP), butJDSShiretokohas a bridge structure. There is only one on each side.

Ships in the class

[edit]
Ōsumiclass[2]
Hull no. Name Builder Laid down Launched Commissioned Decommissioned
LST 4001 Ōsumi Jeffersonville Boat and Machine Company,Indiana,United States 11 January 1944 9 March 1944 1 April 1961 30 March 1974
LST 4002 Shimokita Bethlehem-Hingham Shipyard,Massachusetts,United States 6 September 1944 25 October 1944 1 April 1961 31 March 1975
LST 4003 Shiretoko American Bridge Company,Pennsylvania,United States 9 January 1945 14 February 1945 1 April 1961 31 March 1976

Citations

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  1. ^“Hải thượng tự vệ đội toàn hạm đĩnh sử” 『Thế giới の hạm thuyền』 đệ 630 hào,Hải nhân xã,2004 niên 8 nguyệt, 1-261 hiệt,NAID40006330308.
  2. ^"Osumi ex US LST 542 class tank landing ship japan maritime self defense force".www.seaforces.org.Retrieved29 October2020.

References

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  • Couhat, Jean Labayle, ed. (1986).Combat Fleets of the World 1986/87.Annapolis, Maryland: Naval Institute Press.ISBN0-85368-860-5.
  • Gardiner, Robert; Chumbley, Stephen & Budzbon, Przemysław, eds. (1995).Conway's All the World's Fighting Ships 1947–1995.Annapolis, Maryland: Naval Institute Press.ISBN1-55750-132-7.
  • Sharpe, Richard, ed. (1991).Jane's Fighting Ships 1991–92(94 ed.). Surrey, United Kingdom: Jane's Information Group.ISBN0-7106-0960-4.
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