Wasp-class amphibious assault ship

Wasp-class amphibious assault ship
Name	Wasp class
Caption	USS Wasp (LHD-1) underway in 2009
Country	United States
Builder	Ingalls Shipbuilding; Newport News Shipbuilding
First	1989
Displacement	40,500 long tons (full load)
Length	844 ft (257 m)
Beam	106 ft (32 m)
Propulsion	Steam turbines; later ships with improved plants
Aircraft	AV-8B Harrier II; F/A-18 Hornet; AH-1 Cobra; MV-22 Osprey
Capacity	Marine Expeditionary Unit; landing craft; amphibious vehicles
Role	Amphibious assault ship
Operator	United States Navy

Wasp-class amphibious assault ship is an amphibious assault ship class of the United States Navy designed to embark, transport, and land elements of a Marine Expeditionary Unit ashore by air and sea. Commissioned beginning in 1989, the class replaced older Iwo Jima-class vessels and served in operations alongside United States Pacific Command, United States European Command, and United States Central Command. Wasp-class ships have supported operations related to Operation Desert Storm, Operation Enduring Freedom, and Operation Iraqi Freedom while hosting fixed-wing and rotary-wing aircraft and conducting amphibious landings with landing craft and amphibious vehicles.

Design and development

The Wasp class was developed during the Cold War era to improve amphibious capabilities originally pursued by the United States Marine Corps and United States Navy in response to lessons from the Vietnam War and the Yom Kippur War. Designers from Ingalls Shipbuilding and naval architects influenced by programs at Naval Sea Systems Command and the Office of the Chief of Naval Operations emphasized combined air-ground amphibious assault concepts derived from doctrine associated with Amphibious Ready Group operations and MEU(SOC) concepts. The design incorporated a full-length flight deck, an internal well deck influenced by Landing Craft Air Cushion developments, and vehicle stowage arranged for rapid offload similar to practices evolved after Operation Eagle Claw and Operation Urgent Fury. Congressional oversight from committees such as the United States House Committee on Armed Services shaped procurement and budgetary approval.

Construction and characteristics

Eight ships were built by Ingalls Shipbuilding and Newport News Shipbuilding between 1983 and 2000, including USS Wasp (LHD-1), USS Essex (LHD-2), USS Kearsarge (LHD-3), USS Boxer (LHD-4), USS Bataan (LHD-5), USS Bonhomme Richard (LHD-6), USS Iwo Jima (LHD-7), and USS Makin Island (LHD-8) — the latter incorporating gas turbine propulsion modifications influenced by work at General Electric and Rolls-Royce Marine. The class displaces roughly 40,500 long tons full load and measures about 844 feet, with a beam accommodating large flight operations and well deck for Landing Craft, Air Cushion and Landing Craft Utility operations. Habitability, medical facilities, and command-and-control suites reflect influences from Fleet Hospital concepts and interoperability standards used with NATO partners such as Royal Navy and French Navy vessels.

Operational history

Wasp-class ships have participated in major operations including Operation Desert Storm, Operation Enduring Freedom, Operation Iraqi Freedom, humanitarian missions following Hurricane Katrina and Hurricane Maria, and multinational exercises like RIMPAC and BALTOPS. Deployments have been coordinated with carrier strike groups and amphibious ready groups in theaters managed by United States Fleet Forces Command, United States Fifth Fleet, and United States Sixth Fleet. The class supported non-combatant evacuation operations tied to crises such as the 1994 Haitian coup d'état aftermath and evacuation efforts during civil unrest in regions like Lebanon and Libya during the 2011 Libyan civil war.

Capabilities and armament

Wasp-class ships are designed to embark about 1,600 to 2,200 embarked Marines with vehicles, command elements, and supplies to mount amphibious assaults. The flight deck supports short takeoff/vertical landing aircraft such as the AV-8B Harrier II and tiltrotor Bell Boeing V-22 Osprey, as well as helicopters like the CH-53E Super Stallion and MH-60 Seahawk. Well deck operations support LCAC and LCU craft and mechanized vehicle movement including AAVP-7A1 and M1 Abrams elements when required. Defensive armament has included systems like the Phalanx CIWS, the Rolling Airframe Missile system in other classes, and various close-in weapons and small-caliber guns compatible with doctrine used alongside Mk 38 Mod 2 mounts. Command, control, communications, computers, intelligence, surveillance, and reconnaissance suites interface with assets like AN/SPS radar families and datalinks conforming to Link 16 standards for joint operations.

Aircraft and well deck operations

Airwing operations integrate fixed-wing and rotary-wing elements from Marine Corps Aviation squadrons including squadrons equipped with AV-8B Harrier II, F/A-18 Hornet detachments, MV-22 Osprey tiltrotor units, and AH-1 Cobra attack helicopters in coordinated assault packages. Flight deck operations follow procedures influenced by Carrier Air Traffic Control Center best practices and interoperability with carrier strike groups led by carriers such as USS Nimitz (CVN-68) and USS Ronald Reagan (CVN-76). The well deck supports simultaneous launch and recovery of LCAC hovercraft and LCU types, enabling over-the-horizon assault doctrine developed during post-Cold War modernization; operations often coordinate with Naval Special Warfare units and multinational amphibious forces from navies like the Royal Australian Navy and Japan Maritime Self-Defense Force.

Modernization and upgrades

Throughout service life, Wasp-class ships underwent upgrades addressing aviation support for F-35B Lightning II STOVL operations in test and transition scenarios, shipboard electrical and auxiliary systems retrofits, and maintenance availabilities overseen by Naval Sea Systems Command and private yards such as Bollinger Shipyards. Upgrades included habitability improvements informed by Department of Defense standards, medical facility enhancements influenced by Battlefield Advanced Trauma Life Support requirements, and command-and-control modernizations to integrate with Global Command and Control System and coalition networks during exercises with partners like NATO and Combined Maritime Forces.

Incidents and controversies

Wasp-class service has involved incidents such as flight deck accidents, engineering casualties, and high-profile mishaps including fires aboard amphibious ships paralleling events seen on other classes; these prompted investigations by entities including the Navy Inspector General and hearings before the United States Senate Committee on Armed Services. Controversies have arisen over cost overruns, maintenance backlogs, and basing decisions subject to debate in hearings involving members of the United States Congress and regional stakeholders like state governors and port authorities. Environmental and safety reviews tied to Superfund considerations and pollutants from shipyards occasionally involved coordination with agencies such as the Environmental Protection Agency.

Category:Amphibious warfare vessel classes of the United States Navy