The recent failure of mediation efforts between French and German defense contractors has thrown Europe's flagship Future Combat Air System (FCAS) into jeopardy, exposing long-standing industrial rivalries and political misalignments that continue to undermine EU strategic autonomy in military aviation. According to reports, mediators from both nations submitted separate conclusions after failing to bridge gaps primarily between France's Dassault Aviation and Airbus, the latter representing German and Spanish interests. The core dispute revolves around leadership of the Next Generation Fighter component, workshare allocations, and intellectual property rights in a project originally valued at around €100 billion. A German mediator reportedly concluded that a single joint fighter jet is no longer feasible. This impasse, coming after multiple missed deadlines and high-level interventions by Chancellor Friedrich Merz and President Emmanuel Macron, fits a decades-long pattern of European collaborative fighter programs plagued by national champion protectionism. France has historically prioritized Dassault's independence, as seen in its 1980s withdrawal from earlier multilateral efforts to pursue the Rafale unilaterally, while Germany has consolidated around Airbus. These tensions mirror broader EU defense fractures where sovereign industrial interests consistently override shared capability goals. As FCAS stalls, Germany is increasingly eyeing the rival Global Combat Air Programme (GCAP) involving the UK, Italy, and Japan. Reports from early 2026 indicate Berlin exploring participation or procurement pathways with the GCAP team, potentially as a partner on subsystems or eventual buyer. This development highlights how intra-European rivalry is fragmenting resources across two competing sixth-generation programs, duplicating costs and delaying delivery well beyond 2035 targets. Mainstream coverage often frames these as temporary hiccups amid geopolitical pressures from Russia and China, yet it underplays the outcome: sustained European reliance on US platforms like the F-35, which numerous NATO allies have procured precisely because indigenous next-gen options remain mired in politics. Historical precedents such as the troubled but ultimately operational Eurofighter Typhoon demonstrate that while collaboration is possible, it rarely delivers the cutting-edge integration seen in American programs. The FCAS saga thus reveals a critical gap between Brussels' rhetoric on defense union and the reality of fractured supply chains, differing requirements, and zero-sum industrial competition. Without decisive political intervention to enforce compromise or accept a 'two-aircraft' reality with shared drones and sensors, Europe risks ceding technological leadership indefinitely, defaulting to American technology transfers that limit sovereignty in future conflicts.