Narrative Intelligence report on the NATO Information Environment. Analysis of 3,510 posts collected on Twitter/X between 1 February and 3 April 2026, covering the Iranian nuclear crisis and NATO alliance cohesion. 21 canonical narratives identified. N18 (Alliance Fracture / US Withdrawal) is the dominant threat narrative with 362 texts. Total corpus-wide engagements: 9.6M. Produced by Opsci.ai.