An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically it is the capital ship of a fleet, as it allows a naval force to project air power worldwide without depending on local bases for staging aircraft operations. Carriers have evolved since their inception in the early twentieth century from wooden vessels used to deploy balloons to nuclear-powered warships that carry numerous fighters, strike aircraft, helicopters, and other types of aircraft. While heavier aircraft such as fixed-wing gunships and bombers have been launched from aircraft carriers, these aircraft have not landed on a carrier. By its diplomatic and tactical power, its mobility, its autonomy and the variety of its means, the aircraft carrier is often the centerpiece of modern combat fleets. Tactically or even strategically, it replaced the battleship in the role of flagship of a fleet. One of its great advantages is that, by sailing in international waters, it does not interfere with any territorial sovereignty and thus obviates the need for overflight authorizations from third-party countries, reduces the times and transit distances of aircraft and therefore significantly increases the time of availability on the combat zone.
The Wasp-class is a class of landing helicopter dock (LHD) amphibious assault ships operated by the United States Navy. Based on the Tarawa class, with modifications to operate more advanced aircraft and landing craft, the Wasp-class is capable of transporting almost the full strength of a United States Marine Corps Marine Expeditionary Unit (MEU), and landing them in hostile territory via landing craft or helicopters as well as providing air support via AV-8B Harrier II attack aircraft or F-35B Lightning II stealth strike-fighters. All Wasp-class ships were built by Ingalls Shipbuilding, at Pascagoula, Mississippi, with the lead ship, USS Wasp, commissioned on 29 July 1989. Eight Wasp-class ships were built, and as of April 2021, seven are in active service, as USS Bonhomme Richard was seriously damaged by fire on 12 July 2020, and subsequently decommissioned in April 2021.
Landing platform helicopter (LPH) is a term used by some navies to denote a type of amphibious warfare ship designed primarily to operate as a launch and recovery platform for helicopters and other VTOL aircraft. As such, they are considered a type of helicopter carrier.
A dock landing ship is an amphibious warfare ship with a well dock to transport and launch landing craft and amphibious vehicles. Some ships with well decks, such as the Soviet Ivan Rogov class, also have bow doors to enable them to deliver vehicles directly onto a beach. Modern dock landing ships also operate helicopters.
A landing helicopter dock (LHD) is a multipurpose amphibious assault ship that is capable of operating as a helicopter carrier and also has a well deck for supporting landing crafts. LHD vessels are built with a full flight deck similar in appearance to a light aircraft carrier to operate VTOL rotorcrafts such as utility and attack helicopters, and can also support tiltrotor aircraft and VSTOL fixed-wing aircraft. Some future designs might even support CATOBAR operations for light aircraft and UCAVs via aircraft catapults and arresting gears.
Landing helicopter assault (LHA) is the United States Navy's hull classification symbol for the general-purpose helicopter-carrying amphibious assault ships of the Tarawa and America classes.
An amphibious ready group (ARG) of the United States Navy consists of a naval element—a group of warships known as an Amphibious Task Force (ATF)—and a landing force (LF) of U.S. Marines, in total about 5,000 people. Together, these elements and supporting units are trained, organized, and equipped to perform amphibious operations.
An anti-submarine warfare carrier is a type of small aircraft carrier whose primary role is as the nucleus of an anti-submarine warfare hunter-killer group. This type of ship came into existence during the Cold War as a development of the escort carriers used in the ASW role in the North Atlantic during World War II.
Juan Carlos I is a multi-purpose aircraft carrier-landing helicopter dock (LHD) in the Spanish Navy. Similar in role to many aircraft carriers, the amphibious landing ship has a ski jump for STOVL operations, and is equipped with the McDonnell Douglas AV-8B Harrier II attack aircraft. The vessel is named in honour of Juan Carlos I, the former king of Spain.
A joint support ship (JSS) is a multi-role naval vessel capable of launching and supporting joint amphibious and airlift operations. It can also provide command and control, sealift and seabasing, underway replenishment, disaster relief and logistics capabilities for combined land and sea operations.
A helicopter carrier is a type of aircraft carrier whose primary purpose is to operate helicopters. It has a large flight deck that occupies a substantial part of the deck, which can extend the full length of the ship like HMS Ocean of the Royal Navy (RN), or extend only partway, usually aft, as in the Soviet Navy's Moskva class or in the Chinese Navy's Type 0891A. It often also has a hangar deck for the storage and maintenance of rotorwing aircraft.
The America class is a ship class of landing helicopter assault (LHA) type amphibious assault ships for the United States Navy (USN). The class is designed to put ashore a Marine Expeditionary Unit using helicopters and MV-22B Osprey V/STOL transport aircraft, supported by AV-8B Harrier II or F-35 Lightning II V/STOL aircraft and various attack helicopters. The first of these warships was commissioned by the U.S. Navy in 2014 to replace USS Peleliu of the Tarawa class; as many as eleven will be built. The design of the America class is based on that of USS Makin Island, the last ship of the Wasp class, but the "Flight 0" ships of the America class will not have well decks, and have smaller on-board hospitals to provide more space for aviation uses.
In the United States Navy, the expeditionary strike group (ESG) is a coordinated group of surface ships, aircraft, submarines, and other naval assets. In contrast to carrier strike groups (CSGs), which emphasize air power and are led by a supercarrier, ESGs are strongly suited for amphibious warfare and are led by an amphibious assault ship. The ESG concept was introduced in the early 1990s, based on the Naval Expeditionary Task Force. The U.S. Navy fields nine expeditionary strike groups.
An amphibious warfare ship is an amphibious vehicle warship employed to land and support ground forces, such as marines, on enemy territory during an amphibious assault.
Akitsu Maru (あきつ丸) was a Japanese "Type C" landing craft depot ship and escort aircraft carrier operated by the Imperial Japanese Army (IJA). In some sources Akitsu Maru and Nigitsu Maru are also considered to be the first amphibious assault ships, although, this title can be disputed with Shinshū Maru that served a similar role, and being a template for Akitsu Maru.
Shinshū Maru was a ship of the Japanese Imperial Army during World War II. She was the world's first landing craft carrier ship to be designed as such, and a pioneer of modern-day amphibious assault ships. During some of her operations, she was known to have used at least four cover names, R1, GL, MT, and Ryujo Maru.
Landing craft carriers or landing craft depot ships were an innovative type of amphibious warfare ship developed by the Imperial Japanese Army during World War II. The prototype was developed in secrecy under the pseudonyms Ryujo Maru and Fuso Maru using features later adopted by other navies for dock landing ships and amphibious transport docks. Additional ships were built after combat experience validated the concept, but most were completed after the Japanese invasions of the early war, and used primarily as troopships during later operations. Today's amphibious assault ships bear a strong similarity to this concept.
