SpainSat NG II Launch Completes Spain’s Secure Satellite Network

The successful launch of the SpainSat NG-II satellite marks a pivotal moment for Spain’s strategic and technological capabilities. On October 24, 2025, a SpaceX Falcon 9 rocket lifted off from the Kennedy Space Center in Florida, carrying the Airbus-built satellite into orbit. This event is more than just a single launch; it represents the completion of the ambitious two-satellite SpainSat NG program, a cornerstone of the nation’s efforts to secure sovereign communication channels for its defense and governmental operations.

Developed through a robust public-private partnership between the Spanish Ministry of Defence and the satellite operator Hisdesat, the SpainSat NG program is designed to provide advanced, secure, and flexible communications for the next fifteen years. The system, comprising SpainSat NG-I (launched in January 2025) and the newly deployed SpainSat NG-II, will serve the Spanish Armed Forces, allied nations, and key international bodies like NATO and the European Commission. This new constellation replaces the aging SpainSat and XTAR-EUR satellites, ushering in a new era of technological sovereignty and operational resilience for Spain and its partners.

The program’s significance extends beyond its immediate military and governmental applications. It stands as a testament to the strength of the Spanish and European space industries, with major contractors like Airbus and Thales Alenia Space leading a consortium of national companies. By investing in cutting-edge technologies, Spain not only enhances its defense posture but also solidifies its position as a key player in the global space sector, capable of developing and deploying critical infrastructure independently.

The SpainSat NG Program: A Leap in Strategic Autonomy

The SpainSat NG program is fundamentally about ensuring that Spain has guaranteed access to secure communications, independent of third-party systems. In an increasingly contested geopolitical landscape, the ability to communicate securely is a non-negotiable requirement for any modern defense force. This two-satellite system provides that capability, offering robust coverage and services tailored to the specific needs of the Spanish government and its allies.

A New Era for Spanish Secure Communications

With SpainSat NG-I positioned at 29° East and SpainSat NG-II at 30° West in geostationary orbit, the constellation offers comprehensive coverage for a wide range of operations. The primary users will be the Spanish Armed Forces, who rely on such systems for command and control, intelligence gathering, and deployed operations. Beyond national needs, the system is designed for interoperability, making it a valuable asset for joint missions with allied governments and international organizations, including NATO and the EU’s Governmental Satellite Communications (GOVSATCOM) program.

The transition from the previous generation of satellites to the SpainSat NG system represents a significant technological leap. The new satellites are not just replacements; they are a complete upgrade in terms of capacity, flexibility, and security. They are built to operate effectively in complex and potentially hostile electronic environments, ensuring that critical communication links remain open when they are needed most. The entire system is expected to be jointly operational by the spring of 2026 and is designed for a service life extending to 2040.

This forward-looking approach ensures that Spain’s defense and security apparatus will be well-equipped for the challenges of the coming decades. The program’s long-term vision provides stability and a reliable platform for future defense planning and international cooperation, cementing Spain’s role as a dependable partner on the world stage.

“SpainSat NG is the most important and ambitious space program carried on by Spain, developed through a Public Private Partnership between the Spanish Ministry of Defense and Hisdesat, with the collaboration of the Spanish Ministries of Industry and Tourisim, and Science, Innovation and Universities.”

A Showcase of European and Spanish Industry

The development and construction of the SpainSat NG satellites highlight a successful model of industrial collaboration. The program was managed by a consortium of four main contractors: Airbus Defence and Space in Spain and France, and Thales Alenia Space in Spain and France. Airbus served as the lead contractor, building the satellites on its reliable Eurostar Neo platform, while the payload development was a shared effort that heavily involved the Spanish space sector.

The Spanish industry, led by Airbus, was responsible for the innovative X-band payload. Thales Alenia Space in Spain took charge of the Ka and UHF band payloads. This division of labor leveraged the specific expertise of each entity, fostering a collaborative ecosystem that pushed technological boundaries. The development of critical components, such as the advanced active antennas, received crucial support from the European Space Agency (ESA) through its ARTES program, as well as from the Spanish Space Agency, demonstrating a multi-layered commitment to innovation.

This project has not only produced a state-of-the-art satellite system but has also stimulated growth and expertise within Spain’s domestic space industry. By taking on significant roles in the design and manufacture of complex satellite components, Spanish companies have enhanced their capabilities and competitiveness, positioning them for future opportunities in the global space market.

Under the Hood: The Technology Powering SpainSat NG-II

The SpainSat NG-II satellite is more than just a relay in the sky; it is a sophisticated piece of technology engineered for performance, flexibility, and resilience. Weighing approximately 6 tons and standing about 7 meters tall, it is packed with cutting-edge systems designed to meet the stringent demands of secure military and governmental communications.

Advanced Payload and Capabilities

At the heart of the satellite’s capabilities is its advanced communications payload, which operates across multiple frequency bands, including X-band, military Ka-band, and UHF. This multi-band capability allows it to serve a diverse range of missions and user terminals, from large ground stations to mobile units in the field. The standout feature is its innovative X-band active receive and transmit antenna system. This technology provides the functionality of 16 traditional antennas in a single, highly integrated unit.

The primary advantage of this active antenna system is its incredible flexibility. It allows the satellite’s coverage to be reconfigured in-orbit, adapting to changing operational needs almost instantaneously. The system can alter its coverage patterns up to 1,000 times per second, enabling it to redirect communication beams, focus power where it is most needed, and mitigate interference with unprecedented speed and precision. This dynamic adaptability is a game-changer for tactical communications.

This level of control means the satellite can support multiple operations simultaneously across its coverage area, allocate bandwidth dynamically, and respond swiftly to new demands. Whether it’s providing high-throughput data links for surveillance drones or secure voice channels for ground troops, the satellite’s payload can be configured to deliver the optimal performance for the task at hand.

“With SpainSat NG, Spain will be at the forefront of Europe and among one of the few countries in the world with access to the most secure communications networks, providing our country and its allies with sovereignty and strategic autonomy.”

Built for a Contested Environment

Modern Military-Aircraft satellites must be able to operate under the threat of electronic warfare. The SpainSat NG satellites were designed from the ground up with this reality in mind. They incorporate advanced security features to protect against interference and deliberate jamming attempts. The system is not only capable of resisting such attacks but can also precisely geolocate the source of jamming signals, providing critical intelligence for countermeasures.

Furthermore, the satellites are hardened against the effects of a nuclear electromagnetic pulse (EMP). This is a critical survivability feature, ensuring that the command-and-control communications network can endure even in the most extreme scenarios of conflict. This level of protection guarantees that Spain’s strategic assets remain connected and operational under duress.

The combination of these defensive measures, anti-jamming, geolocation, and EMP hardening, makes the SpainSat NG constellation one of the most secure and resilient satellite communications systems in the world. It provides the Spanish Ministry of Defence and its allies with a trusted network that can be relied upon in any situation, reinforcing the system’s core mission of providing strategic autonomy.

Conclusion: Securing the Future

The launch of SpainSat NG-II successfully concludes the deployment phase of a program that is set to redefine Spain’s capabilities in secure communications. It is the culmination of years of planning, innovation, and collaboration between government and industry. The result is a sovereign satellite system that equips Spain with the tools needed to protect its interests and contribute effectively to international security alliances. The technological advancements embedded in the satellites, particularly their reconfigurable antennas and robust anti-jamming features, place Spain at the leading edge of satellite communications technology.

Looking forward, the SpainSat NG system will serve as a critical enabler for the Spanish Armed Forces for nearly two decades, supporting a wide spectrum of missions and ensuring interoperability with NATO and EU partners. Beyond its military significance, the program has been a catalyst for the Spanish space industry, fostering high-tech skills and strengthening the nation’s industrial base. As space becomes an increasingly vital domain for national security and economic prosperity, the SpainSat NG program stands as a powerful example of how strategic investment and public-private partnership can deliver profound and lasting benefits.

FAQ

Question: What is the SpainSat NG program?
Answer: The SpainSat NG program is Spain’s next-generation satellite communications system, consisting of two satellites (SpainSat NG-I and SpainSat NG-II). It is designed to provide secure and reliable communications for the Spanish government, military, and its international allies.

Question: Who built the SpainSat NG-II satellite?
Answer: The satellite was built by Airbus, which led a consortium of European space companies. The project featured significant contributions from the Spanish space industry, with Thales Alenia Space in Spain also playing a key role in developing parts of the communications payload.

Question: What makes this satellite system special?
Answer: The SpainSat NG system is distinguished by its advanced technology, including highly flexible and reconfigurable active antennas, robust protection against jamming and interference, and hardening against nuclear electromagnetic pulses (EMP). This makes it one of the most secure and resilient systems of its kind.

Question: When will the SpainSat NG system be fully operational?
Answer: The two-satellite constellation is expected to be jointly operational by the spring of 2026 and is designed to have a useful life of 15 years, operating until 2040.

Sources

• Airbus Press Release