Rolls-Royce plc designs, manufactures, and distributes power systems for aviation and other industries. The company operates through several segments, including Civil Aerospace, Defence, Power Systems, and New Markets, providing products such as aircraft engines, marine propulsion systems, and energy solutions. Its customers include commercial airlines, military organizations, and industrial companies, with operations primarily in Europe, North America, and Asia. Rolls-Royce generates revenue through the sale of products and long-term service agreements.