Movatterモバイル変換


[0]ホーム

URL:


Jump to content
WikipediaThe Free Encyclopedia
Search

Juneau-class cruiser

From Wikipedia, the free encyclopedia
WWII-era U.S. Navy light cruiser class

USSJuneau on 1 July 1951
Class overview
NameJuneau class
BuildersFederal Shipbuilding and Drydock Company
Operators United States Navy
Preceded byAtlanta class
Succeeded byCL-154 class (not built)
Built1944–1946
In commission1946–1955
Completed3
Retired3
General characteristics
Class & typeLight cruiser
Displacement6,500 tons (standard); 8,450 tons (loaded)
Length541 ft 0 in (164.9 m)
Beam52 ft 10 in (16.1 m)
Draft20 ft 6 in (6.2 m)
Propulsion
  • 4 × 665 psi (4,590 kPa) boilers
  • 2 geared steam turbines
  • 78,749 hp (58,723 kW)
Speed32.7 knots (60.6 km/h; 37.6 mph)
Range6,440 nmi (11,930 km; 7,410 mi) at 20 knots (37 km/h; 23 mph)
Boats & landing
craft carried
2 ×lifeboats
Complement742
Sensors &
processing systems
Armament
Armor

TheJuneau-class cruisers were a class ofUnited States Navylight cruisers that were modified versions of theAtlanta-classcruiser design. The ships had the same dual-purpose main armament asUSS Oakland (herself a modifiedAtlanta-class) with a much heavier secondaryanti-aircraft battery, while the anti-submarinedepth charge tracks andtorpedo tubes were removed along with a redesigned superstructure to reduce weight and increase stability. Three ships were ordered and built, all completed shortly after World War II, but onlyJuneau remained active long enough to see action during theKorean War.

Redesign

[edit]

TheAtlanta-classcruisers increased wartime complement and armament; and the loss ofAtlanta andJuneau (here referring to theJuneau of theAtlanta-class, not to be confused with the lead ship of theJuneau-class) revealed weaknesses in their stability and hull integrity of the ships which was addressed in a 1942 redesign at the same time as the modifiedCleveland-class cruiser, theFargo-class cruiser. The ships had the same main armament asOakland, but the bridge and superstructure were redesigned to remove weight and increase visibility, and the reduction in weight allowed increased antiaircraft guns to be added; however, the weight of this additional armament negated the redesign's weight saving and stability goals even prior to launch.[1] Watertight integrity was improved by removing doors on the lowest decks of the ship between bulkheads. In addition, all theanti-submarine armament was removed, along with the torpedo battery.[2]

Specifications

[edit]

The main gun battery of theJuneau class was composed of six dual5-inch/38 caliber (127 mm) gun mounts (twelve 5-inch guns).[3] The class was designed with a secondary anti-aircraft armament of thirty-two40 mm anti-aircraft guns, and sixteen20 mm rapid-fire anti-aircraft cannon with high-explosive shells.[4] After the war, the ships were planned under projectSCB 74D to convert to a3 in (76 mm) secondary armament to replace the40 mm guns, but onlyJuneau was converted.[5][6]

The class was powered by the same equipment as theAtlanta class: four 665 psi (4,590 kPa) boilers, connected to two geared steam turbines producing 75,000 hp (56 MW), and the ships could maintain a top speed of 33.6 knots (62 km/h). On trialJuneau made 32.48 knots (60 km/h) at 78,985shaft horsepower (58,899 kW). The ships of theJuneau class had the same armor as theAtlanta class: a maximum of 3.75 in (95.3 mm) on their sides, with the 5-inch gun mounts being protected by 1.25 in (31.8 mm) and the conning tower by 2.5 inches (64 mm).[4] The ships were originally designed for 47 officers and 695 men.[7]

Service history

[edit]

Three ships were built and none of the ships served during World War II; the lead ship of this class,Juneau (CL-119) which was named after the war lossJuneau (CL-52), was launched on 15 July 1945 and commissioned on 15 February 1946.Spokane was launched on 22 September 1945, and commissioned on 17 May 1946.Fresno was launched on 5 March 1946 and commissioned on 27 November 1946.[8]

Spokane andFresno were decommissioned in 1949 and 1950 prior to the start of theKorean War, butJuneau, at this point redesignated as an anti-aircraft cruiser CLAA-119, participated in the conflict. On 2 July 1950,Juneau, along withHMS Jamaica, andHMS Black Swan were attacked by four torpedo boats and two motor gunboats of theNorth Korean Navy, and the combined firepower of the Anglo-American ships sank three enemy torpedo boats and both gunboats nearChumonchin Chan.[9] She was decommissioned in 1955, shortly after the war ended. All three ships were considered for refitting as guided missile cruisers or ASW ships but ultimately were sold for scrap in the 1960s.[10]

Ships in class

[edit]
Ship nameHull No.BuilderLaid downLaunchedCommissionedDecommissionedFate
JuneauCL-119Federal Shipbuilding and Drydock Company,Kearny, New Jersey15 September 194415 July 194515 February 194623 July 1955Struck 1 November 1959; Sold for scrap on 29 April 1960 to Union Metals & Alloys Corp., New York, New York
SpokaneCL-12015 November 194422 September 194517 May 194627 February 1950Struck 15 April 1972; Sold for scrap on 17 May 1973
FresnoCL-12112 February 19455 March 194627 November 194617 May 1949Struck April 1965; Sold for scrap on 17 June 1966

See also

[edit]

Footnotes

[edit]
  1. ^Friedman 1984, pp. 367–369
  2. ^Friedman 1984, pp. 240–241
  3. ^Friedman 1984, pp. 231–233
  4. ^abFriedman 1984, pp. 236, 238–239
  5. ^Friedman 1984, p. 242
  6. ^Roberts, U.S. Navy Ship Design Project Numbers
  7. ^Friedman 1984, p. 238
  8. ^Friedman 1984, p. 452
  9. ^"Naval Battles of the Korean War". United States Navy. Archived fromthe original on 29 June 2007. Retrieved15 July 2011.
  10. ^"Juneau CL-119". Department of the Navy. Archived fromthe original on 15 February 2011. Retrieved1 April 2011.

References

[edit]

External links

[edit]
Wikimedia Commons has media related toJuneau class cruiser.
United States naval ship classes of World War II
Aircraft carriers
Light aircraft carriers
Escort carriers
Battleships
Large cruisers
Heavy cruisers
Light cruisers
Destroyers
Destroyer escorts
Patrol gunboats
Ocean
Motor
River
Patrol frigates
Patrol boats
Submarines
V-boat
US Navy mine warfare ship
Auxiliary
minelayers
Minesweepers
Minelayers
Ocean
Coastal
Landing
Ship Docks
Amphibious
force flagships
Attack cargo ships
Attack transports
Crane ships
MTB tender
Destroyer tenders
C3 cargo
Cargo ships
Fleet oilers
T2 tanker
T3 tanker
Gasoline
tankers
T1 tanker
Rescue tugs
Seaplane
tenders
Curtiss
C3 cargo
Destroyer
seaplane tenders
Smallseaplane
tenders
Aviation stores
issue ships
Liberty
C1 cargo
Distilling ships
Liberty
T2 tanker
Others
C: Completed after the warS: Single ship of classX: CancelledV: Conversions
Retrieved from "https://en.wikipedia.org/w/index.php?title=Juneau-class_cruiser&oldid=1327516223"
Categories:
Hidden categories:

[8]ページ先頭

©2009-2026 Movatter.jp