Adversarial imagination pipelines extend institutional intelligence by structuring narrative generation through feasibility validation

The French military's Red Team Defense program implements a three-team adversarial structure that reveals how narrative becomes strategic infrastructure. The Red Team (sci-fi writers) generates scenarios outside operational doctrine, the Blue Team (military analysts) evaluates strategic implications, and the Purple Team (AI/tech academics) validates feasibility. This architecture addresses a specific institutional failure mode: operational military analysts have bounded imaginations constrained by precedent, doctrine, and current threat models. The program's explicit rationale states that sci-fi writers, with their 'creative imaginations and love of dystopian visions,' are structurally better at imagining outside those bounds. Early outputs included scenarios on mass disinformation warfare, bioterrorism, and pirate nations targeting threats between 2030-2060. The key mechanism is not that fiction inspires strategy (casual influence), but that narrative generation is institutionalized as the first stage of a validation pipeline that systematically extends what the institution can think about. This is narrative as cognitive infrastructure: imagination → strategy → feasibility creates a structured process for expanding the operational envelope.