Iwo Jima-class amphibious assault ship

USS Iwo Jima (LPH-2)
Class overview
Builders:
Operators:  United States Navy
Preceded by: Essex class (some ships converted)
Succeeded by: Tarawa class
In commission: 1961–2002
Completed: 7
Active: 0
Laid up: 1
Retired: 7
General characteristics
Type: Amphibious Assault Ship (LPH)
Displacement:
Length: 592 ft (180 m)
Beam: 84 ft (26 m)
Draft: 27 ft (8.2 m)
Propulsion:
  • 2 × 600 psi (4.1 MPa) boilers,
  • one geared steam turbine,
  • one shaft,
  • 22,000 shaft horsepower (16 MW)
Speed: 22 knots (41 km/h)
Troops: 2,157
Complement: 667
Armament:
  • Initially:
  • 4 × 3-inch (76 mm) / 50 caliber AA guns
  • Later:
  • 2 × 3-inch (76 mm) / 50 caliber AA guns,
  • 8 cell Sea Sparrow BPDMS launchers,
  • 2 × Phalanx CIWS
Aviation facilities:
  • 25 helicopters or AV-8 Harriers
  • Flight deck width: 105 ft (32 m)

The Iwo Jima-class amphibious assault ships of the United States Navy were the first amphibious assault ships designed and built as dedicated helicopter carriers, capable of operating up to 20 helicopters to carry up to 1,800 marines ashore. They were named for battles featuring the United States Marine Corps, starting with the Battle of Iwo Jima. The first ship of the class was commissioned in 1961, and the last was decommissioned in 2002. Because these ships bore the hull classification of LPH they have often been referred to as "Landing Platform, Helicopter".

Ships of the class:

Name Hull number Builder Laid down Launched Commissioned Fate
Iwo Jima LPH-2 Puget Sound Naval Shipyard, Bremerton 2 April 1959 17 September 1960 26 August 1961 Broken up at Brownsville, 1996
Okinawa LPH-3 Philadelphia Naval Shipyard, Philadelphia 1 April 1960 19 August 1961 14 April 1962 Sunk as target, 6 June 2002
Guadalcanal LPH-7 1 September 1961 16 March 1963 20 July 1963 Sunk as target, 19 May 2005
Guam LPH-9 15 November 1962 22 August 1964 16 January 1965 Sunk as target, 16 October 2001
Tripoli LPH-10 Ingalls Shipbuilding, Pascagoula 15 June 1964 31 July 1965 6 August 1966 Converted to missile trial launch platform
New Orleans LPH-11 Philadelphia Naval Shipyard, Philadelphia 1 March 1966 3 February 1968 16 November 1968 Sunk as target, 10 July 2010
Inchon LPH-12 Ingalls Shipbuilding, Pascasgoula 8 April 1968 24 May 1969 20 June 1970 Sunk as target, 5 December 2004

Popular culture

One of the Iwo Jima class ships served as the fieldsite in Edwin Hutchins's classic cognitive science study Cognition in the Wild.[1] Although Hutchins does not mention the ship class by name, on p. 7 he characterizes it as a 603-foot-long (184 m) amphibious helicopter carrier.

References

  1. ↑ Hutchins, Edwin (1995). Cognition in the Wild. MIT Press.


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