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Anair-cushioned landing craft, also called anLCAC (landing craft, air cushioned), is a modern variation on the amphibious landing boat.[1][2] The majority of these craft are small- to mid-sized multi-purposehovercraft, also known as "over the beach" ("OTB") craft. This allows troops and material to access more than 70 percent of the world's coastline, while only approximately 15 percent of that coastline is available to conventional boat-type landing craft. Typical barriers to conventional landing craft are softsandybeaches,marshes,swampland, and loose surfaces. Air cushion technology has vastly increased the landing capability of the craft, providing greater speed and flexibility over traditional landing craft.
Like the mechanized landing craft, they are usually equipped with mountedmachine guns; they also supportgrenade launchers and heavy weapons.