# Defense Casualty Analysis System The **public web portal through which the U.S. military reports its own casualties** — deaths, wounded in action, and personnel recorded as ill or injured in service — broken out by contingency and campaign. It is maintained by the **Defense Manpower Data Center** on behalf of the Defense Department, and it covers historical conflicts as well as current operations. This wiki uses it as the authoritative figure whenever a casualty count is in dispute, which in 2026 was often. See [[Iran War 2026 Timeline]]. ## Why a database gets its own page Ordinarily a reporting system is plumbing. This one became a subject in 2026 because the numbers moved in ways the reporting system itself could not explain. - **July 26–27, 2026** — four service members killed in Jordan and Iraq **disappeared from the public portal**, dropping the listed dead from 18 to 14. The Pentagon attributed it to "temporary data disruptions." After public objection they were restored — but not to the Operation Epic Fury tally. They reappeared in a **newly created "Overseas Operations" category** counting from July 7, alongside roughly 200 additional wounded that had not previously been disclosed. - **September 18, 2026** — a *Washington Post* investigation reported serious data discrepancies in how the department had been reporting Middle East casualties. - **October 9, 2026** — the department moved to **modify the portal**, briefing Congress the same day. Two changes: hostile and non-hostile casualty subcategories would be standardized across the system, and a new **"Pending Adjudication"** category would hold active-duty casualties until final categorization, with the expectation that category totals will now change regularly as cases move out of it. An unnamed department official said the changes followed "an internal audit of our reporting systems," were administrative, and would not affect survivor benefits, entitlements or family support — and that the new category would help "minimize reporting delays." Critics were unpersuaded. Virginia Burger, a former Marine Corps officer and senior analyst at the Project on Government Oversight, said the change "does nothing to increase transparency," arguing the existing system could handle the problem if it were used properly, and that little degrades public trust faster than the impression that the department is not conveying the true costs of a war. > [!warning] Sourcing on the October 2026 portal changes > The portal redesign and the "Pending Adjudication" category come from a single outlet's reporting of an unnamed department official, dated October 9, 2026. The underlying casualty figures and the July recategorization are multiply sourced. The institutional facts — what the system is and who maintains it — are documented in Congressional Research Service products and in the National Archives' holdings of historical DCAS files. ## Why it matters A casualty count is the one war statistic a government cannot plausibly claim to be estimating. When the published number moves downward and then returns under a different label, the methodology becomes the story — and a system that reclassifies rather than corrects is harder to audit than one that simply gets a number wrong. That is why this wiki cites the portal by date rather than citing "the Pentagon," and why a dated snapshot is what settles the open figures noted on [[Iran War 2026 Timeline]]. ## See Also - [[Iran War 2026 Timeline]] — where the disputed figures appear - [[Department of Defense]] - [[Freedom of Information Act]] — the statutory route when the portal does not answer