Monthly Budget Review: September 2026
- Publisher
- Congressional Budget Office
- Published
- 2026-10-08
- Type
- official document
- Link
- https://www.cbo.gov/system/files/2026-10/61985-MBR.pdf
- Last checked
- 2026-10-26
- Rights
- public domain — we link and describe; we do not republish the text.
Cited in
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Defense and Security
What the Iran war has cost so far, and what the Pentagon is asking for next: $45 billion, $87 billion, $1.5 trillion
The Pentagon reported $45.1 billion in Iran war costs through early September 2026 (CBO: $38 billion through August 1); an $87.6 billion supplemental is pending and the 2027 request seeks $1.5 trillion for defense.