Iran war drives new federal spending and readiness concerns
Congressional budget scorers estimate the Iran war has cost about $38 billion so far, with $2–3 billion in additional monthly spending possible. Energy-driven inflation and munitions shortages that could persist for up to five years are increasing pressure on appropriations, defense readiness, and fiscal policy. A House War Powers vote has intensified the dispute over congressional authorization and executive control of the operation.
Sources (2)
Updated Sep 19, 2026