Huntington Ingalls Industries, Inc. engages in designing, building, overhauling, and repairing military ships in the United States. It operates through three segments: Ingalls Shipbuilding, Newport News Shipbuilding, and Technical Solutions. The company is involved in the design and construction of non-nuclear ships comprising amphibious assault ships; expeditionary warfare ships; surface combatants; and national security cutters for the U.S. Navy and U.S. Coast Guard. It also provides nuclear-powered ships, such as aircraft carriers and submarines, as well as refueling and overhaul, and inactivation services of ships. In addition, the company offers naval nuclear support services, including fleet services comprising design, construction, maintenance, and disposal activities for in-service the U.S. Navy nuclear ships; and maintenance services on nuclear reactor prototypes. Further, it provides life-cycle sustainment services to the U.S. Navy fleet and other maritime customers; high-end information technology and mission-based solutions for Department of Defense (DoD), intelligence, and federal civilian customers; nuclear management and operations and environmental management services for the Department of Energy, DoD, state and local governments, and private sector companies; defense and federal solutions; and unmanned systems. Huntington Ingalls Industries, Inc. was founded in 1886 and is headquartered in Newport News, Virginia.