Huntington Ingalls Industries builds military ships for the U.S. Navy, including aircraft carriers and submarines, the largest military shipbuilder in the United States. Its shipbuilding business depends on multi-year U.S. Navy contracts, providing a fairly predictable, long-term revenue base tied to defense budget allocations and naval shipbuilding programs rather than commercial market demand. Huntington Ingalls holds a particularly unique position in aircraft carrier construction, since building nuclear-powered aircraft carriers requires specialized shipyard capabilities that very few companies in the world possess, giving it an entrenched position in this specific naval shipbuilding niche. The company's revenue and growth are tied closely to U.S. Navy shipbuilding budgets and program funding decisions, along with the multi-year timelines involved in constructing and delivering complex naval vessels like aircraft carriers and submarines.