Airbus Group SE is a European multinational aerospace and defence corporation. Headquartered in Leiden, Netherlands, the group consists of the three business divisions Airbus, Airbus Defence and Space, and Airbus Helicopters. The company was originally formed as the European Aeronautic Defence and Space Company NV (EADS) on 10 July 2000 by the merger of Aérospatiale-Matra, DaimlerChrysler Aerospace AG (DASA), and Construcciones Aeronáuticas SA (CASA). In January 2014, EADS was reorganised as Airbus Group NV, combining the divisions for development and marketing of civil and military aircraft, as well as communications systems, missiles, space rockets, helicopters, satellites, and related systems. On 27 May 2015 the company became the ninth component of Euro Stoxx 50 stock market index to adopt the corporate form of the European Union (EU), becoming a societas Europaea (SE; Latin: European company).