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Thales Alenia Space, the joint venture between Thales (67%) and Leonardo (33%), announces today it has signed a Letter of Agreement with Eutelsat (eutelsat.com) to provide the governmental payloads dedicated to the 330 IRIS2 telecommunications satellites in Low Earth Orbit (66 Ka-only satellites and 264 dual Ku/Ka satellites).
This order represents a tranche of approximately 500 million euros out of a global IRIS² contract size for Thales Alenia Space which is set to exceed 3 billion euros overall.
About IRIS2, the EU Secure Connectivity Programme
The future IRIS2 (Infrastructure for Resilience, Interconnectivity and Security by Satellite) constellation will be the new standard bearer for Europe’s autonomous and sovereign space capability.
This system will comprise, to date, a total of 348 satellites, including 330 in Low Earth Orbit (1,200 km), of which 66 Ka-only satellites and 264 dual Ka/Ku satellites, and 18 in Medium Earth Orbit (8,000 km). The satellites will be communicating with each other via optical inter-satellite links and using a multi-orbit approach.
IRIS2 is set to provide secure government communication services for civil protection and emergency management agencies, security and defense communications, and commercial B2B services.
Beyond connectivity, IRIS² will be the backbone of other space-based Earth-observation and navigation infrastructures in Europe and will serve as a data transmission relay.
This dual-use system features groundbreaking technology, offering total control over data and an unprecedented level of security to address today’s cybersecurity challenges. Offering native 5G capability, IRIS2 will employ payloads with active antennas to ensure precise pointing and maximum signal power over specific regions of interest.
Thales Alenia Space will be one of the key industrial partners in the program. The first 66 Low Earth Orbit Ka-only telecommunications satellites, known as IRIS2 Layer One, will be launched in 2029. For this layer, Thales Alenia Space will develop the payloads, while Airbus Defense and Space will provide the platforms.
Regarding IRIS2 Layer Two, comprising 264 Ku/Ka telecommunications satellites in Low Earth Orbit, Thales Alenia Space will be responsible for the governmental payloads, while Aerospacelab will develop the platforms. This second layer is scheduled for launch starting in 2030.
These payloads will enable the first secure space-based 5G network, combining in-orbit traffic routing, active interference management, and end-to-end secure communications. The development of a dedicated chipset for the software-defined antennas will further enhance the system capacity, flexibility, and mission agility.
“I want to express my gratitude to the European Commission, the SpaceRISE consortium of telecom operators, and to Eutelsat for placing their confidence in Thales Alenia Space, that will provide all governmental communications payloads for the 330 IRIS2 satellites in Low Earth Orbit,” said Hervé Derrey, President and CEO of Thales Alenia Space. “IRIS2 will represent the pinnacle of telecommunications constellations. Our company will leverage its unique legacy in constellations, digital payloads, 5G communications and system security to address this strategic program, which is essential for Europe to strengthen its sovereignty and space autonomy”.
About Thales Alenia Space
Thales Alenia Space (thalesaleniaspace.com) leverages a unique combination of skills, technological expertise, and industrial capabilities to deliver innovative solutions for telecommunications, navigation, Earth observation, defense, exploration, science, and orbital infrastructures drawing on 50 years of proven experience. Institutions, governments, and private industry rely on Thales Alenia Space to design satellite-based systems that provide anytime, anywhere, connections and positioning, monitor our planet, enhance management of its resources, explore our Solar System, and unlock the mysteries of the Universe. Embodied by its Space for Life purpose, Thales Alenia Space sees space as a new horizon, helping build a better and more sustainable life on Earth, and beyond. A joint venture between Thales (67%) and Leonardo (33%), Thales Alenia Space also teams up with Telespazio to form the Space Alliance, which offers a complete range of solutions including services. Thales Alenia Space posted consolidated revenues of €2.36 billion in 2025 and has more than 8,000 employees in 7 countries with 14 sites in Europe.
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