European Space Agency Expands Galileo Satellite Fleet
Officials have signed contracts to add four more advanced navigation satellites to the Galileo Second Generation fleet.
Updated on Oct. 27, 2026 in Space

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The European Space Agency has formally extended contracts with Thales Alenia Space and Airbus Defence and Space to procure four additional satellites. This expansion brings the total count of the Galileo Second Generation fleet to 16 units.
Why it matters
This procurement ensures the long-term continuity of the navigation constellation owned by the European Union. The added satellites support the eventual rollout of enhanced satellite services for global users.
The European Space Agency is managing the design and qualification for these 16 satellites, which follow the original 2021 construction contracts. The integration and flight testing phase for the first generation of these satellites is set to begin in 2027.
The players
European Space Agency
This intergovernmental organization manages the design and qualification of satellite navigation systems for its member states.
Thales Alenia Space
This major aerospace manufacturer provides satellite systems and space infrastructure to global government and commercial clients.
Airbus Defence and Space
This division of Airbus specializes in the development of defense equipment and aerospace systems including navigation satellites.
The details
The European Space Agency finalized these agreements on behalf of the EU Agency for the Space Programme to bolster the existing navigation infrastructure. Following these latest signatures in Italy and Germany, the agency is now targeting 2028 for the inaugural launch of the second-generation technology.
Timeline
2016: Galileo entered its Open Service phase.
2021: Initial contracts for Galileo Second Generation construction were established.
October 23, 2026: Contract signing took place in Rome, Italy.
October 26, 2026: Contract signing took place in Ottobrunn, Germany.
2027: Integration and flight testing for the first satellites are scheduled.
The Big Picture
This procurement represents a structural shift for the European Union's Galileo satellite navigation system by increasing the total capacity of its next-generation fleet. The initiative follows the pattern set by the system's successful entry into Open Service back in 2016.
The expansion of the satellite fleet could eventually lead to more precise navigation and timing services for global consumers and commercial industries. These improvements build upon the foundational services that have been available since the system entered Open Service.
The takeaway
The European Space Agency is prioritizing long-term navigation reliability by scaling its next-generation satellite infrastructure. This continued investment highlights the essential role that precise satellite timing plays in modern global communication and transit systems.
What happens next
Integration and flight testing of the first Galileo Second Generation satellites are scheduled to occur in 2027, followed by the planned first launch in 2028 and full satellite delivery in 2031.
Further reading
Learn more about the latest developments in the Space section.
More information
Review technical details regarding the network at Galileo satellite navigation program information.
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