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Arianespace SA is a European multinational company founded in 1980 as the world's first commercial launch service provider.〔(【引用サイトリンク】url=http://adsabs.harvard.edu/abs/1986spte....2.1431J ) 〕 Seated in France, it undertakes the production, operation, and marketing of the Ariane 5 launch vehicle as part of the Ariane programme. Two other launch systems are offered by the company, the Soyuz-2 as a medium-lift alternative to Ariane 5, and the Vega as a lighter one. , Arianespace held more than 50 percent of the world market for boosting satellites to geostationary transfer orbit (GTO). More than 240 commercial launches have occurred since May 22, 1984, and Arianespace states that the total number of launch contracts signed since Ariane launches commenced operations in 1984 is 285.〔 Arianespace uses the Centre Spatial Guyanais in French Guiana as a launch site. It has its headquarters in Courcouronnes, Essonne, France,〔"(Russians, French sign space contract.(UPI Science Report) )." ''United Press International''. 12 April 2005. Retrieved on 24 September 2009.〕 near Évry.〔"(Contact us )." Arianespace. Retrieved on 24 September 2009.〕 On 21 October 2011 Arianespace launched the first Soyuz rocket ever from outside former Soviet territory. The payload was two Galileo navigation satellites. == The company and its infrastructure == Arianespace primary shareholders are its suppliers, in the various nations of the European Union.〔 〕 Arianespace currently has 20 shareholders:〔(【引用サイトリンク】title=Shareholders )〕 Arianespace shareholding is currently being restructured with the creation of an Airbus-Safran joint venture that will develop and manufacture the Ariane 6 launcher. Their subsidiaries shareholdings will be pooled along with the purchase of the French governments CNES stake. Airbus-Safran once the restructure is complete will have a 76% shareholding while the remaining 24% will be spread across ten countries.〔http://www.satellitetoday.com/launch/2015/06/16/airbus-safran-launchers-gains-cnes-35-percent-stake-in-arianespace/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Arianespace」の詳細全文を読む スポンサード リンク
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