The Future Combat Air System (FCAS) is entering a decisive phase. Eight years after its launch, the program has fractured into national priorities. While France seeks to retain majority control of the Next Generation Fighter (NGF), Germany is reframing FCAS as a framework for interoperability and building its own foundation around a new project, the Combat Fighter System Nucleus (CFSN).
Officials in Berlin now describe CFSN not as a side project, but as the structural successor to FCAS, intended to deliver Europe’s first operational Combat Cloud and a family of collaborative unmanned aircraft.
The Dispute
Speaking at the cpm Air Force Tech Summit in Berlin, Oberst Joerg Rauber, the German FCAS program manager at the BMVg, offered an unusually candid assessment. As initially reported by Defence-Network, he presented a chart illustrating the planned FCAS structure as a balanced set of multinational components, a “global balance,” as he called it. “This global balance is now being challenged,” Rauber said. “Several partners are proposing to treat aircraft and unmanned systems increasingly as national assets. That breaks the balance entirely. This is the central challenge in the transition to Phase 2.” These new workshare demands put the project in its’ current form at risk.
Rauber confirmed that Dassault and the new French minister of defense had recently reasserted majority control over specific design domains, contradicting earlier workshare agreements. Germany, he said, “wants to continue in the established setup. But if that no longer works, we must consider alternatives.” His conclusion was pragmatic: “Yes, the program must continue. The question is only how.” A political decision is expected before the end of the year.
What Remains of FCAS
Beyond rhetoric, the shared program has narrowed to its technical backbone, the Combat Cloud and its underlying data architecture.
BAAINBw officials now define the potential FCAS primarily as “a coordination framework for interoperability between national systems.” Demonstrators for sensors and data links remain active, but the concept of a single, jointly built NGF has largely disappeared.
The German Air Force’s roadmap, as discussed in Berlin, outlines four primary objectives for a post-full-scale FCAS era:
- CFSN Combat Cloud: the national command and data layer, forming the German backbone of the wider FCAS Combat Cloud to ensure interoperability across allied networks.
- CCA Development: two classes of unmanned systems (4–5t and 10t) for escort, strike, and jamming roles.
- Integration of existing platforms: Eurofighter EK, F-35A, and future drones linked via data fusion.
- Next Generation Fighter: development of a Eurofighter successor, ideally in cooperation with Spain and/or Sweden.
In parallel, Berlin has initiated technical talks with GCAP members in the United Kingdom and Italy to explore data-link and interoperability alignment between the CFSN and the Anglo-Italian-Japanese system architecture, expanding Combat Cloud compatibility across European projects.
Germany’s Alternative: CFSN
At the same summit, Martin Heltzel, BAAINBw division lead for FCAS, emphasized the program’s new trajectory. Germany, he said, intends to become “the first nation in Europe to operationalize an unmanned combat platform” under the CFSN framework.
These systems, effectively German Collaborative Combat Aircraft (CCA), will serve as the first tangible output of CFSN. The 4–5 ton class will focus on sensor extension and electronic warfare; the 10 ton variant will address strike and air-superiority missions. The total requirement outlined by the Luftwaffe for larger CCAs currently stands at around 400 systems, with procurement and initial deliveries for trials expected to begin in 2029. Germany is pushing for national development leadership, with at least one production line and mission system suite to be designed and built domestically.
Within CFSN, the Combat Cloud acts as the digital backbone, connecting manned and unmanned platforms through encrypted data exchange fully compatible with NATO’s Federated Mission Networking and established Link 16/22/MADL standards. A senior procurement officer summarized the concept: “Interoperability is no longer a side effect, it is the primary objective.”
Potential Partnership Options
If the trilateral FCAS arrangement with France and Spain fails, Germany is keeping alternative avenues open. Sweden has emerged as the preferred fallback partner. Saab CEO Micael Johansson said in a recent interview with Table.Briefings that his company is “ready to explore a joint future air combat architecture with Germany, including unmanned systems and next-generation fighter technologies.”
While no formal agreement has been announced, working-level contacts between German and Swedish industry have intensified. Saab’s experience in systems integration and electronic warfare aligns closely with Germany’s CFSN approach. Existing collaborations, such as on the Eurofighter EK electronic-combat variant, could serve as a technological bridge for future joint efforts.
France’s National Route
Paris, by contrast, is consolidating its national NGF concept based on the Rafale F5 standard. Dassault Aviation is evolving the F5 into a new platform with systems based on an upgraded RBE2-XG radar, a new engine design under the T-REX program, and an unmanned-teaming interface. French officials describe this as a cost-efficient evolution that maintains industrial sovereignty.
The move effectively excludes foreign partners from future French combat-air development and reinforces France’s reliance on its export-proven industrial base. While it supports Dassault’s market position and national control, it also limits the program’s technological input and scope due to reduced external cooperation and budgetary constraints.
Conclusion
The Future Combat Air System now seems to function more as a political umbrella than a unified program. Its practical legacy might be divided: France advancing a sovereign smaller scale Rafale successor and a potential successor to the nEUROn UCAV, while Germany will build the CFSN with its own Collaborative Combat Aircraft and explores a German-Spanish-Swedish fighter concept.
Within that scope, CFSN aims to ensure that Europe’s next generation of airpower will not be built in one factory or under one flag, but across connected, interoperable networks.