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LHA-R Concept
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Modern U.S. Navy Amphibious Assault Ships project power and maintain presence by serving as the cornerstone of the Amphibious Readiness Group (ARG) / Expeditionary Strike Group (ESG). A key element of the Seapower 21 doctrine pillars of Sea Strike and Sea Basing, these LHA/LHD ships transport, launch, and land elements of the Marine Expeditionary Brigade (MEB) via a combination of LCAC hovercraft, amphibious transports and vehicles, helicopters, and aircraft.

Designed to project power and maintain presence, LHA-Replacement (LHA-R, aka. LH-X and now the America Class) large deck amphibious assault ships will replace the LHA-1 Tarawa Class. They’re based on the more modern LHD Wasp Class design, but remove the LHD’s landing craft and well deck. The end product is essentially a revival of the World War 2 escort carrier concept, with integrated berthing, cargo, and light vehicle spaces for Marines. LHA-R ships will be almost 80 feet longer than USS Wasp and 10 feet wider, since they don’t have to fit through the Panama Canal. As a result, these ships will weigh in at 50,000 tons/ 45,700t fully loaded rather than 42,400t full load for LHD 8. Though DID uses the term “escort carriers” due to the size of their aerial complement, note that their overall displacement will be larger than France’s 43,000t FNS Charles De Gaulle nuclear powered aircraft carrier.

DID’s FOCUS articles offer in-depth, updated looks at significant military programs of record, and this is DID’s FOCUS Article concerning the America Class LHA/CVLs. The latest development is the formal selection of its propulsion system, which is not exactly a surprise…

• America Class Ships: 21st Century Escort Carriers
• The LHA-R Program [updated]
• America Class: Contracts & Key Events [updated]
• Additional Readings

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