Independence-class littoral combat ship

The Independence class is a class of littoral combat ships built for the United States Navy.

Independence-class littoral combat ship
USS Gabrielle Giffords in the
Philippine Sea, October 2019
Class overview
NameIndependence class
BuildersAustal USA
Operators United States Navy
Preceded byN/A
Succeeded byConstellation class
Cost$360 million
Built2008–present
In commission2010–present
Planned19
Building2
Completed17
Active15
Retired2
General characteristics
TypeLittoral combat ship
Displacement2,543 tons light, 3,422 tons full
Length418 ft (127 m)
Beam104 ft (32 m)
Draft14 ft (4.3 m)
Installed power
Propulsion
  • 2 × American Vulkan light weight multiple-section carbon fiber propulsion shaftlines
  • 4 × Wärtsilä waterjets
    • 2 × LJ150E
    • 2 × LJ160E
  • 2 × retractable bow-mounted azimuth thrusters
Speed44 knots (51 mph; 81 km/h)
Range4,300 nautical miles (7,964 km) at 18 knots (33 km/h)
Capacity210 metric tons (206 long tons, 231 short tons)
Complement40 core crew (8 officers, 32 enlisted) plus up to 35 mission crew
Sensors and
processing systems
  • SAAB AN/SPS-77(V)1 Sea GIRAFFE 3D air and surface search radar
  • Sperry Marine BridgeMaster E navigational radar
  • AN/KAX-2 electro-optical sensor with TV and FLIR
  • Northrop Grumman ICMS (Integrated Combat Management System)
Electronic warfare
& decoys
Armament
  • 1 × BAE Systems Mk 110 57 mm gun
  • 1 × Raytheon SeaRAM CIWS
  • 4 × .50-cal guns (2 aft, 2 forward)
  • 2 × 30 mm Mk44 Bushmaster II guns (part of SUW module)
  • 8 × RGM-184A Naval Strike Missiles
  • 24 × AGM-114L Hellfire missiles (SUW vertical launch module)
  • Other weapons as part of mission modules
Aircraft carried
  • 1 × MH-60R/S Seahawk
  • 2 × MQ-8B Fire Scouts or 1 × MQ-8C Fire Scout

The hull design evolved from a project at Austal to design a high speed, 40-knot-cruise ship. That hull design evolved into the high-speed trimaran ferry HSC Benchijigua Express and the Independence class was then proposed by General Dynamics and Austal as a contender for Navy plans to build a fleet of smaller, agile, multipurpose warships to operate nearshore in the littoral zone. Initially two ships were approved, to compete with Lockheed Martin's Freedom-class design.

Despite initial plans to only build ships of the winner out of the two competing Independence or Freedom classes, in 2010 the Navy announced plans to order up to ten additional ships of each class, for a total 12 ships per class. In March 2016 the Navy announced their intention to order an additional two ships, increasing the order to 13 ships of each class.

It was announced in early September 2016 that the first four vessels of the LCS program would be used as test ships rather than being deployed with the fleet. This includes lead ship Independence and Coronado. As of May 2019, nine ships have been commissioned. In February 2020 it was announced that the Navy plans to retire the first four LCS ships. On 20 June 2020, the US Navy announced that all four would be taken out of commission in March 2021, and will be placed in inactive reserve, because it would be too expensive to upgrade them to match the later ships in the class.

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