Rolls-Royce Holdings Plc is a holding company, which provides power for aircraft, ships and land applications. It designs, develops, manufactures and services integrated power systems for use in the air, on land and at sea. The company operates its business through following segments: Civil Aerospace, Defense Aerospace, Marine, Power Systems and Nuclear. The Civil Aerospace segment engages in the manufacturer of aero engines for all sectors of the airliner and corporate jet market. The Defense Aerospace segment provides defence aero-engine products and services. The Marine segment engages in the design, supply and support of power and propulsion systems. The Power system segment provides large reciprocating engines, propulsion and distributed energy systems. The Nuclear segment provides long-term support services across the reactor lifecycle, covering safety, licensing, and environmental activities including component design, manufacture and supply; in-service support and plant life extension; as well as nuclear instrumentation, control and safety systems. Rolls-Royce Holdings was founded in March 1906 and is headquartered in London, the United Kingdom.