The HSC 71 (High Speed Craft) is a class of catamaran vessels operated by the United States Navy (USN). These vessels, designed for high-speed transport of troops and equipment, are primarily used for special operations missions, logistics support, and search and rescue operations. They feature twin waterjets for propulsion, which enable them to reach speeds of up to 40 knots, making them capable of swift response in various operational scenarios. The HSC 71 fleet is also notable for their shallow draft, enabling them to operate efficiently in shallow waters or near shorelines.