The Congressional Budget Office released an assessment on September 16, 2026, estimating the costs of US combat operations against Iran that began in February 2026 under the designation "Operation Epic Fury." The study examines Department of Defense expenses and economic impacts.
A Congressional Budget Office report found that U.S. missile interceptor stocks became critically depleted after significant expenditures in defense of Israel in June 2026 and throughout Operation Epic Fury, raising concerns about readiness for a potential conflict with China. The Pentagon classified the mission statement for Operation Epic Fury.