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Galileo L1 (IOV FM01-FM02)

阿丽亚娜航天 (Arianespace) · Soyuz STB Fregat · 联盟号发射综合体

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伽利略星座的首批两颗在轨验证卫星。伽利略星座是欧空局的卫星导航系统，预计于2020年完成。伽利略将为欧洲提供美国GPS和俄罗斯GLONASS星座的替代方案，但将与这两个系统互操作。联盟号火箭首次从圭亚那航天中心发射。

原文

The first two In Orbit Validation satellites of the Galileo constellation. The Galileo constellation is ESA's satellite navigation system and is expected to be completed by 2020. Galileo will provide Europe with an alternative to the American GPS and Russian GLONASS constellations, but will be interoperable with both systems. First launch of the Soyuz rocket from the Guiana Space Centre.

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