Modern military doctrine is transitioning from centralized, monolithic platforms to disaggregated "mosaic" frameworks, prioritizing resilience and lethality through fragmented power. The United States utilizes AI-augmented "kill webs" to weaponize complexity, while Iran’s Defa-e Mozaiki creates an organizational survival shield that grants 31 provincial corps autonomous authority to act even if central command is destroyed. The 2026 conflict illustrated the durability of this design, as Iranian units sustained strikes despite a total decapitation of national leadership, but it also revealed a critical "exit problem" where the lack of central control hinders war termination. These strategies raise significant concerns regarding machine-led escalation and the erosion of traditional diplomacy in an environment dominated by "headless" militaries. Ultimately, if the future of conflict is a decentralized mesh network with no central button to press for peace, how can any nation achieve a stable ceasefire?