Finmeccanica SpA engages in the aerospace and defence sector. The company operates through the following business segments: Helicopters, Defence and Security Electronics, Aeronautics, Space, Defence Systems, Transportation, and Other Activities. The Helicopters segment design and development of helicopters and tilt rotors for civil and military use. The Defence and Security Electronics develops, manufactures, and supports systems for mission critical, military sustainment requirements, and homeland security. The Aeronautics segment manufactures state of the art complete tactical airlifters, combat aircraft and unmanned air vehicles for both civil and military applications. The Space segment produces satellite systems for navigation, telecommunications, meteorology, environmental monitoring, defence, scientific missions, and earth observation. The Defence Systems segment designs, develops and produces missile systems, torpedoes, naval artillery and armored vehicles. The Transportation segment provides rolling stock, transport solutions and railway signaling systems. The Other Activities segment includes financial support, real estate holdings, machinery and plants for processing aluminum and steel products, contracting services for electricity generation, and primary aluminum production. Finmeccanica was founded on March 18, 1948 and is headquartered in Rome, Italy.