Safran SA, together with its subsidiaries, engages in the aerospace and defense businesses worldwide. The company operates through three segments: Aerospace Propulsion; Aircraft Equipment, Defense and Aerosystems; and Aircraft Interiors. The Aerospace Propulsion segment designs, develops, produces, and markets propulsion and mechanical power transmission systems for commercial aircraft, military transport, training and combat aircraft, civil and military helicopters, satellites, and drones; and offers maintenance, repair, and overhaul (MRO) services, as well as sells spare parts. The Aircraft Equipment, Defense and Aerosystems segment provides landing gears and brakes; nacelles and reversers; avionics, such as flight controls and onboard information systems; security systems, including evacuation slides and oxygen masks; onboard computers and fuel systems; electrical power management systems and related engineering services; and optronic equipment and sights, navigation equipment and sensors, infantry, and drones, as well as offers MRO services and sells spare parts.