USS Sioux City

USS Sioux City (LCS-11) is a Freedom-class littoral combat ship of the United States Navy. She is the first ship named after Sioux City, the fourth-largest city in Iowa.[7][8]

For ships with a similar name, see USS Sioux.
USS Sioux City underway on the Severn River on 13 November 2018
History
United States
NameSioux City
NamesakeSioux City
Awarded16 March 2012[1]
BuilderMarinette Marine[1]
Laid down19 February 2014[1][2]
Launched30 January 2016[1]
Sponsored byMary Winnefield
Acquired22 August 2018[3]
Commissioned17 November 2018[4]
Identification
MottoForging a New Frontier
StatusActive
Badge
General characteristics
Class and type Freedom-class littoral combat ship
Displacement3,500 metric tons (3,900 short tons) full load[5]
Length378.3 ft (115.3 m)
Beam57.4 ft (17.5 m)
Draft13 ft (4.0 m)
Propulsion2 Rolls-Royce MT30 36 MW gas turbines, 2 Colt-Pielstick diesel engines, 4 Rolls-Royce waterjets
Speed45 knots (52 mph; 83 km/h) (sea state 3)
Range3,500 nmi (6,500 km) at 18 knots (21 mph; 33 km/h)[6]1,500 nmi (2,800 km) at 50 knots (58 mph; 93 km/h), 4,300 nmi (8,000 km) at 20 knots (23 mph; 37 km/h)
Endurance21 days (336 hours)
Boats & landing
craft carried		11 m RHIB, 40 ft (12 m) high-speed boats
Complement15 to 50 core crew, 75 mission crew (Blue and Gold crews)
Armament
Aircraft carried
NotesElectrical power is provided by 4 Isotta Fraschini V1708 diesel engines with Hitzinger generator units rated at 800 kW each.

Design
Main article: Freedom-class littoral combat ship

In 2002, the U.S. Navy initiated a program to develop the first of a fleet of littoral combat ships.[9] The Navy initially ordered two monohull ships from Lockheed Martin, which became known as the Freedom-class littoral combat ships after the first ship of the class, USS Freedom.[9][10] Odd-numbered U.S. Navy littoral combat ships are built using the Freedom-class monohull design, while even-numbered ships are based on a competing design, the trimaran hull Independence-class littoral combat ship from General Dynamics.[9] The initial order of littoral combat ships involved a total of four ships, including two of the Freedom-class design.[9]  Fort Worth is the second Freedom-class littoral combat ship to be built.

Sioux City includes additional stability improvements over the original Freedom design; the stern transom was lengthened and buoyancy tanks were added to the stern to increase weight service and enhance stability.[11] The ship will also feature automated sensors to allow "conditions-based maintenance" and reduce crew overwork and fatigue issues that Freedom had on her first deployment.[12]

Construction and career

The ceremonial “laying of the keel” was on 19 February 2014, at Marinette, Wisconsin.[2] The ship was constructed by Fincantieri Marinette Marine and launched on 30 January 2016 after being christened by her sponsor Mary Winnefield, wife of Admiral James A. Winnefeld Jr., USN.[13][14]

Sioux City was delivered to the Navy by Lockheed Martin and the Marinette Marine shipyard on 22 August 2018 along with sister ship Wichita in a double delivery.[3] The ship was commissioned at the United States Naval Academy in Annapolis, Maryland on 17 November 2018,[4] and then assigned to Littoral Combat Ship Squadron Two. Sioux City will be assigned to the Fifth Fleet in the Persian Gulf.[15]

References
  1. "Sioux City (LCS-11)". Naval Vessel Register. Retrieved 25 July 2016.
  2. "Lockheed Martin-Led Team Lays Keel on Nation's Eleventh Littoral Combat Ship" (Press release). Lockheed Martin. 19 February 2014. Retrieved 30 June 2015.
  3. "Navy Accepts Delivery of Future USS Sioux City and USS Wichita" (Press release). United States Navy. 23 August 2018. NNS180823-09. Retrieved 23 August 2018.
  4. Maldonado, Amaia (17 November 2018). "USS Sioux City (LCS 11) is "Brought to Life" at the U.S. Naval Academy" (Press release). U.S. Navy. Retrieved 17 November 2018.
  5. "Littoral Combat Ship Class - LCS". America's Navy. US Navy. Retrieved 19 April 2015.
  6. "US Navy Fact File: LITTORAL COMBAT SHIP CLASS – LCS". Retrieved 17 June 2012.
  7. "Navy Names Five New Ships" (Press release). U.S. Department of Defense. 15 February 2012. 109-12. Retrieved 28 June 2015.
  8. Hayworth, Bret (15 February 2012). "U.S. Navy Names New Ship USS Sioux City". Sioux City Journal. Retrieved 19 April 2015.
  9. "US Navy Fact File: Littoral Combat Ship Class – LCS". US Navy. Archived from the original on 2 March 2015. Retrieved 30 October 2015.
  10. O'Rourke, Ronald (4 May 2010). "Navy Littoral Combat Ship (LCS) Program: Background, Issues, and Options for Congress" (PDF). Congressional Research Service. Archived (PDF) from the original on 23 September 2015. Retrieved 30 December 2014.
  11. Osborn, Kris (27 June 2014). "Navy Engineers LCS Changes". www.dodbuzz.com. Monster. Archived from the original on 29 April 2015. Retrieved 12 July 2014.
  12. Freedberg Jr., Sydney J. (4 April 2014). "Sleepless In Singapore: LCS Is Undermanned & Overworked, Says GAO". breakingdefense.com. Breaking Media, Inc. Archived from the original on 10 July 2015. Retrieved 30 December 2014.
  13. "Sponsor brings life to USS Sioux City". siouxcityjournal.com. 12 November 2018. Retrieved 2 March 2019.
  14. "Lockheed Martin-Led Team Launches Future USS Sioux City" (Press release). Lockheed Martin. 30 January 2016. Retrieved 31 January 2016.
  15. "Sioux City commissioning". capitalgazette.com. 15 November 2017. Retrieved 19 January 2018.

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