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Overall, the G2 satellites will incorporate numerous technology upgrades, developed through EU and ESA research and development programmes. But the Galileo G2 system will result from a series of seamless upgrades and changes to the G1 system currently in place, without interruption to any of its services.
The Galileo system will be operated by the EU Agency for the Space Programme, EUSPA, based in Prague. ESA and EUSPA are partnering on the development and operations of Galileo.
ESA is in charge of the design, development, procurement, qualification of Galileo satellites and the associated ground infrastructure on behalf of the European Union, the system owner.